Join the chat at pandaboard.org/irc
IRC Log for 2010-12-15
Timestamps are in UTC.
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- [03:17:19] <student>
hi all
- [03:17:35] <student>
I have a question
- [03:17:45] <bpadalino>
a question? what's that?
- [03:18:19] <student>
where would I get a good tutorial on designing an omap board?
- [03:18:34] <bpadalino>
trial and error?
- [03:19:14] <student>
that's an option, but still foundational principles would be nice
- [03:19:15] <student>
:)
- [03:19:29] <bpadalino>
have you made yourself a pcb ?
- [03:19:44] <student>
sadly, no
- [03:20:03] <student>
I always buy those
- [03:20:04] <bpadalino>
start simple and easy - 2 layer .. do some experiments .. learn what works and what doesn't ..
- [03:20:17] <bpadalino>
then move to more complexity
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- [03:20:34] <bpadalino>
there's no replacement for more space when it comes to aggressors acting on your signals ..
- [03:20:59] <bpadalino>
make sure you have return paths for all your current flowing in your systems ..
- [03:21:39] <student>
I know that there are standards for designing boards
- [03:22:22] <student>
question is, are there manuals for these standards, or do I have to start with a working product and mod it to death
- [03:22:42] <student>
without knowing for sure why my mods are doing OK
- [03:28:19] <bpadalino>
if you're working with digital stuff with relatively low frequencies .. you can be pretty loose with your design
- [03:28:29] <bpadalino>
5Gbps transceivers or RF analog design ..
- [03:28:35] <bpadalino>
takes a little more care
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- [03:40:55] <ds2>
slew rate can kill you even at low freq
- [03:42:12] <bpadalino>
don't drive 1F capacitive loads
- [03:44:01] <ds2>
some of us like backups on the RTC ;)
- [03:44:40] <bpadalino>
sure, but you don't drive a digital line into your supercap, do you ?
- [03:45:00] <ds2>
depending on how I charge, I may
- [03:45:31] <bpadalino>
wow, interesting .. still - there's no digital logic which could cause metastability issues
- [03:45:45] <ds2>
*nod*
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- [03:46:01] <ds2>
but then I also use 4xxx logic in analog mode
- [03:51:08] <bpadalino>
that can work out well
- [03:53:01] <bpadalino>
you know, one thing i've never designed with was a 555 timer
- [03:53:17] <ds2>
wasn't there an app note or project on using the digital output of a uC to control a switching supply?
- [03:53:25] <ds2>
drive a big fet
- [03:54:49] <bpadalino>
oh maybe
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- [04:02:49] <firefly>
does anyone here cosult?
- [04:03:04] <ds2>
cosult?
- [04:03:10] <firefly>
sorry
- [04:03:13] <firefly>
consult
- [04:03:20] <ds2>
what are you looking for?
- [04:03:34] <firefly>
omap board design
- [04:03:43] <ds2>
which omap?
- [04:03:51] <firefly>
pardon my ambiguity
- [04:04:15] <ds2>
and where in the world are you? (short answer, is yes...quite a few folks)
- [04:04:22] <firefly>
pandaboard is an omap board?
- [04:04:32] <bpadalino>
logicpd makes some interesting modules that may interest you
- [04:04:36] <ds2>
pandaboard is an omap4 board...there are many families of omaps
- [04:04:39] <bpadalino>
gumstix makes some interesting boards
- [04:04:53] <ds2>
let's figure out what generation of omap
- [04:05:11] <bpadalino>
if you need something custom, you're going to need $$$$$.$$ most likely
- [04:05:26] <ds2>
maybe $$$$.$$ ;)
- [04:05:38] <bpadalino>
wow, you're cheap! :)
- [04:05:45] <firefly>
what I need to know is how much I would need to have something designed
- [04:05:55] <firefly>
say, something close to a chumby
- [04:06:03] <ds2>
how many do you want?
- [04:06:08] <bpadalino>
if it's close to a chumby, why not buy a chumby and a soldering iron ?
- [04:06:16] <ds2>
1unit? 1,000,000 units? something in between?
- [04:06:30] <firefly>
I have my reasons
- [04:06:40] <bpadalino>
ds2 brings up good questions
- [04:06:59] <ds2>
OB disclosure, yes, I do provide such services.
- [04:07:01] <firefly>
but as I said, close to
- [04:07:24] <ds2>
but so do other people here... trying to avoid too much comemercial stuff in a community channel
- [04:07:42] <firefly>
what shoud my budget look like if I wanted to contact you, or someone like you on the same?
- [04:07:46] <bpadalino>
ds2, how much for you to design a board with an fpga, omap, some adc and dac's on it - figure 8 layers and possibly a pcie x4 finger ?
- [04:07:54] <bpadalino>
so signal integrity is important
- [04:08:04] <ds2>
firefly: depends on a lot of things
- [04:08:36] <ds2>
bpadalino: I donno... the quote can be from $1 to $1,000,000,000 depending on important details :D
- [04:08:53] <firefly>
OK
- [04:09:01] <bpadalino>
oh, man! damned details
- [04:09:07] <firefly>
d2: to give me a simple estimate
- [04:09:21] <ds2>
firefly: need info to quote... there is a huge range of possible prices and small details can mean a big difference
- [04:09:21] <firefly>
lets say you were to design this board here
- [04:09:22] <firefly>
http://www.adafruit.com/index.php?main_page=product_info&cPath=46&products_id=278
- [04:09:48] <firefly>
how much would it cost? how long would it take?
- [04:09:51] <bpadalino>
firefly, is he doing the layout AND schematic, or just the layout ?
- [04:10:07] <firefly>
the whole thing
- [04:11:05] <firefly>
at the end, I get a board on which I can load my linux, or components to solder on to a bread board
- [04:11:41] <ds2>
like I said, it can have a huge range in costs... that's a pretty generic request
- [04:13:35] <nhg>
ds2: hope you're putting an omap on that board ;-)
- [04:15:02] <ds2>
oops
- [04:15:24] <ds2>
nhg: for low enough volumes, I can pull OMAP1's off 770's or salvage OSKs =)
- [04:19:27] <ds2>
bbl, food
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- [04:45:01] <nhg>
anyone have some linux distribution running where /proc/cpuinfo prints the right Mhz for the 2 cores on panda?
- [04:50:42] <sakoman>
nhg: afaik /proc/cpuinfo only gives BogoMIPS
- [04:50:59] <nhg>
yup...that's what I found also
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- [04:51:27] <nhg>
sakoman: what's the best way to find the clock speeds?
- [04:52:00] <nhg>
bootloaders also don't seem to print anything on startup
- [04:54:37] <sakoman>
nhg: don't know of a simple method
- [04:55:26] <nhg>
sakoman: how about the hard method? I can peek/poke at registers using JTAG if needed
- [04:56:23] * nhg looks through the TRM
- [04:56:25] <sakoman>
nhg: that would be that hard method :-)
- [04:56:46] <sakoman>
why do you need to do this?
- [04:57:19] <nhg>
just want to confirm 1Ghz operation when running ubuntu on panda for example
- [04:58:10] <nhg>
I think BogoMIPS numbers I got were like 2000 and 1900....no idea what that means
- [04:59:10] <sakoman>
I get 1195.29 BogoMIPS per processor and I am 99.9% sure I am running at 1Ghz
- [04:59:40] <nhg>
running Ubuntu are u?
- [04:59:57] <sakoman>
no
- [05:00:07] <sakoman>
very similar kernel, but my own user space
- [05:00:15] <nhg>
ok
- [05:00:36] <sakoman>
it's GNOME user space I built
- [05:02:04] <nhg>
any idea what this 1195.29 BogoMIPS actually mean?
- [05:02:57] <sakoman>
http://en.wikipedia.org/wiki/BogoMips
- [05:04:17] <nhg>
yes saw that
- [05:05:17] <sakoman>
for OMAP3 bogoMIPS were roughly equal to clock rate (within a few percent)
- [05:05:45] <sakoman>
looks like for OMAP4 that bogoMIPS may be ~20% higher than clock
- [05:07:01] <nhg>
right....when I read "bogus" and "unscientific" in that wiki and when I got 2000 and 1900 for bogoMIPS on ubuntu on panda....didn't want to trust it
- [05:07:30] <nhg>
if you're 99.9% sure....its good enough
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- [05:14:29] <nhg>
sakoman: thanks
- [05:14:54] <sakoman>
not sure I helped all that much, but you are welcome!
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- [06:01:59] <armin76>
sakoman: thats rather weird, maybe you have cpu scaling? (if it works)
- [06:02:21] <armin76>
http://dev.gentoo.org/~armin76/arm/pandaboard/cpuinfo.txt
- [06:05:04] <sakoman>
armin76: or maybe that .01% is biting me and I'm really not running at 1Ghz :-)
- [06:05:43] <sakoman>
armin76: what kernel are you running?
- [06:09:05] <ds2>
is cpufreq up enough to print out the current clock?
- [06:13:33] <armin76>
sakoman: 24.11
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- [07:48:47] <overflowed>
is a SPI inteface on the expansion header of the pandaboard present?
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- [07:59:07] <av500>
yes
- [08:03:56] <LetoThe2nd>
moin
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- [08:15:49] <guerby>
armin76, pandaboard up and running, but some kernel backtraces: https://bugs.launchpad.net/ubuntu/+source/linux-ti-omap4/+bug/690370
- [08:23:44] <overflowed>
anybody using a cheap lcd with touch between 3" and 7" on the pandaboard, what do you suggest spi, ttl, lvds or even something over USB or dvi? should be cheap
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- [08:43:18] <shadenzo>
hello
- [08:44:02] <shadenzo>
does pandaboard have enough power supply to drive an external usb 2,5" hard drive ?
- [08:46:22] <av500>
the panda has no power supply
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- [08:48:12] <shadenzo>
i mean with the external power supply , by the usb , can it run a usb ext hd
- [08:49:28] <LetoThe2nd>
then why not just take a supply thats big enough and connect both of them directly?
- [08:50:45] <shadenzo>
i need to know if a usb out of tha panda can drive a usb hd
- [08:52:02] <LetoThe2nd>
shadenzo: in that case, the answer is: if not sure, no. provide specs of the specific usb hds power consumption.
- [08:53:47] <shadenzo>
LetoThe2nd, ok just a moment
- [08:55:33] <shadenzo>
LetoThe2nd, it's 5V , 0,85 A
- [08:56:49] <LetoThe2nd>
shadenzo: the answer can only be _NO_, as the usb specs will clearly tell you.
- [08:57:19] <shadenzo>
ok thanks
- [08:58:10] <LetoThe2nd>
av500: i feel like its buzzword time again.
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- [09:08:23] <Sp4rKy>
morning
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- [09:30:16] <shadenzo>
LetoThe2nd, where can i find the usb specs you talked about ? i want to learn some more info about the panda before purchaese , thanks
- [09:33:23] <LetoThe2nd>
shadenzo: http://www.usb.org/developers/docs/usb_20_081810.zip
- [09:33:55] <shadenzo>
tahks again
- [09:35:11] <LetoThe2nd>
the next lmgtfy is 5€, 5GPB or 10USD, depending on your location ;-)
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- [09:49:19] <shadenzo>
;-)
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- [10:12:04] <shadenzo>
i need to boot panda fron usb HD , is there a simple how to to do that ? (i know that in first stage it will boot from sd no problem )
- [10:12:53] <shadenzo>
tank you for your patience :)
- [10:15:02] * florian_kc is now known as florian
- [10:15:06] <overflowed>
shadenzo: mount the rootfs from the usb hdd, don't know whats your problem
- [10:17:04] <shadenzo>
overflowed, i am gathering info , i do not have pandaboard , can you give more detail ?
- [10:18:49] <overflowed>
shadenzo: don't really know what you want to know but you can connect your hd with the pandaboard (maybe use a powered usb hub if the hdd doesn't is external powered) build a kernel with the necessary modules to mount rootfs from hdd and install it on the sd card
- [10:19:42] <shadenzo>
thanks overflowed
- [10:19:44] <overflowed>
then you should be able to use the hdd as rootfs (i believe this is what you want to do?
- [10:20:01] <shadenzo>
yes it is
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- [10:21:51] <firefly>
any hardware design consultants in here?
- [10:22:19] <firefly>
what's the average hourly rate?
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- [12:24:34] <rsv>
is there s-video on pandaboard?
- [12:25:43] * ndec (~ndec@nat/ti/x-gtvfbyofgxexpppn) Quit (Ping timeout: 260 seconds)
- [12:27:01] <mru>
no
- [12:27:06] <mru>
not as a connector at least
- [12:27:17] <mru>
possibly on the expansion port
- [12:28:16] <rsv>
thanks
- [12:31:46] * jojobest (~joffrey@192.93.161.12) has joined #pandaboard
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- [12:58:20] * robclark (~robclark@nat/ti/x-ioumhldyceyctvyx) has joined #pandaboard
- [12:58:26] * ChanServ sets mode +o robclark
- [13:01:37] * ian_brasil (~ian_brasi@189.2.128.130) has joined #pandaboard
- [13:06:05] * J_P (~neo@189.2.146.45) has joined #pandaboard
- [13:06:15] <J_P>
Hi all
- [13:13:29] <av500>
rsv: its there on an unpopulated jumper
- [13:14:14] * ssvb (~ssvb@net-65.nrpn.net) has joined #pandaboard
- [13:25:56] * z (cb7e888e@gateway/web/freenode/ip.203.126.136.142) has joined #pandaboard
- [13:26:23] * z is now known as Guest92605
- [13:26:26] <Guest92605>
anybody here with x-loader work ?
- [13:26:55] <rsv>
anyone made a board to use s-video signals? like some addon?
- [13:27:15] <rsv>
we just need a connector right?
- [13:27:29] * Guest92605 is now known as zero0
- [13:27:42] * zero0 connect check
- [13:28:21] <zero0>
is anybody working with x-loader ?
- [13:28:29] <zero0>
I need some help
- [13:29:00] <rsv>
zero0: yes what is it?
- [13:29:01] <J_P>
A question about a USB HUB anda padaboard: If I to use a 16 port USB HUB, the Linux on pandaboard will be recognize 16 more devices in /dev/USB... right? If yes.. is possible to put 16 USB cameras on that for capture images simultaneously.. That will be works..?
- [13:29:49] <zero0>
I am looking out in x-loader code and there is confutsion in prcm-init
- [13:30:05] <rsv>
J_P: i guess only when you connect a usb device to one of its ports it will recognise, it will also recognise usb hub as a device
- [13:30:16] <zero0>
rsv: scale_vcores
- [13:31:05] <zero0>
rsv: what is it telling through PRM_VC_VAL_BYPASS ?
- [13:31:24] <rsv>
zero0: sorry, not sure
- [13:31:54] <J_P>
rsv: ok. but so if I will to connect 16 usb cameras in that 16 ports usb hub I will be have 16 devices... and capture that simultaneously via one REAL usb port. What you think?
- [13:32:51] <rsv>
J_P: i havent met anyone who has done that. why do you want to do that?
- [13:33:14] * KC9SJQ (~grant@69-212-152-140.ded.ameritech.net) has joined #pandaboard
- [13:33:26] <mru>
J_P: that will never work
- [13:33:42] <J_P>
rsv: because I would like to have 16 cameras in pandaboard..
- [13:33:43] <rsv>
why do you want to connect 16 cameras. there might be throughput/load issues
- [13:33:47] <J_P>
mru: why not?
- [13:33:57] <mru>
mathematics
- [13:34:12] <J_P>
rsv: will be need few frames per second
- [13:34:24] <J_P>
mru: please, clarify..
- [13:34:35] <mru>
what data rate do you expect from each camera?
- [13:35:33] <rsv>
J_P: connecting too many cameras, depends on fps each camera and processing the frames. 16 camera! not sure. might not work
- [13:35:41] <rsv>
J_P: what you want to achive
- [13:35:45] <J_P>
mru: 2Mbit/s
- [13:35:49] <rsv>
application?
- [13:36:27] <mru>
J_P: and frame rate?
- [13:36:36] <J_P>
rsv: 2 x 16 = 32 Mbit/s. ONE USB port 2.0 is capable much more than that
- [13:36:46] <mru>
it's not that simple
- [13:37:17] <J_P>
mru: The limitation I will do via Mbit/s. If is 2 or 10 fps not problem. I will to configure to not passa more than 2Mbit/s eash camera
- [13:37:18] <rsv>
J_P: its not just USB alone. it also is OMAP
- [13:37:47] <mru>
J_P: raw video or compressed?
- [13:37:57] <mru>
you're not giving us enough details
- [13:38:03] <rsv>
i guess yuv422
- [13:38:31] <rsv>
J_P: what you will do with the 16 camera data?
- [13:38:42] <J_P>
rsv: I will to use (if works in arm) the V4L2.. so I will be capture raw and compress after
- [13:39:10] <J_P>
rsv: save in SD card and transmit via ethernet port and/or WLAN
- [13:39:11] <rsv>
compress and store? or transmit elsewhere?
- [13:39:21] <J_P>
rsv: both
- [13:39:34] <merbzt>
J_P: most likely you wont have the cpu for that
- [13:39:41] <rsv>
J_P: i had a problem doing that with one camera
- [13:39:54] <av500>
for 16 cams he can encode 2fps each
- [13:40:02] <J_P>
rsv: problem for save or to compress or to transmit?
- [13:40:07] * kraiskil (~kraiskil@nat/nokia/x-ifwznfnatjmezvxo) Quit (Quit: Leaving)
- [13:40:08] <mru>
raw video at 2Mbps will give you less than 2fps at 320x240
- [13:40:09] <rsv>
both simulataneously
- [13:40:31] <J_P>
av500: I will think to compress using the IVA3 (h264) to not to use the main ARM
- [13:41:11] <rsv>
J_P: i was doing that. had a aproblem but it should have worked. not spent too much time optimising
- [13:41:17] <J_P>
mru: why to not use the iva3 power to compress
- [13:41:29] <J_P>
mru: are you using just arm to compress?
- [13:41:39] <mru>
first you have to get image into the chip
- [13:41:43] <mru>
you said 2Mbps
- [13:41:43] <J_P>
sorry. wuestion was to rs
- [13:41:45] <J_P>
rsv:
- [13:41:52] <rsv>
on dsp
- [13:41:58] <av500>
J_P: you can encode 480x270 x 16 in one 1080p frame :)
- [13:42:28] <mru>
first figure out how to capture all that raw image data, then worry about encoding
- [13:42:39] <av500>
yes, the bottleneck is on capture
- [13:43:05] <mru>
16 cameras at 1fps each can theoretically work
- [13:43:12] <mru>
if you manage to stagger the capture times
- [13:43:24] <av500>
usb will stagger them nicely :)
- [13:43:27] <mru>
you can't have them all transmitting at once
- [13:43:36] <av500>
are usb cam iso?
- [13:43:45] <av500>
i guess they all have a framebuffer
- [13:43:56] <mru>
if they support isochronous mode it should work
- [13:44:12] <av500>
if they are non iso and have a framebuffer, it should work too
- [13:44:13] <J_P>
mru: what is isochrnous?
- [13:44:46] <mru>
an isochronous device is allocated a periodic slice of usb bandwidth
- [13:45:13] <mru>
av500: unless the bus arbitration sucks
- [13:45:23] * alancam (~a-campbel@nat/ti/x-ugcpypwochmapeyd) has joined #pandaboard
- [13:45:50] <mru>
how does it schedule multiple devices contending for bandwidth?
- [13:46:27] <merbzt>
mru: magic
- [13:47:22] <mru>
is it up to the hub?
- [13:48:43] <J_P>
mru: well, but all that images captured in raw format cam be to compress using IVA3 (h264 dsp) right, for afater save/transmit ?
- [13:51:59] <robclark>
probably encoding isn't the problem.. USB seems like it would be the bottleneck
- [13:52:04] <av500>
yes
- [13:52:10] <av500>
and I would just try it on a PC 1st
- [13:52:14] <av500>
should be easy to test
- [13:56:38] * BThompson (~a0193480@nat/ti/x-mteaszderepiuyhu) has joined #pandaboard
- [14:00:37] <koen>
robclark: I though I had enabled xorg 1.9.x, but it seems I was still on 1.8.x, changing that now
- [14:01:36] <robclark>
koen: I'm pretty sure that is the issue.. although it was quite rude of xorg to make it difficult for drivers to be compatible with different versions of xorg :-/
- [14:02:04] * ian_brasil__ (~ian_brasi@189.2.128.130) has joined #pandaboard
- [14:02:17] <robclark>
maybe there is some #ifdef that I could use to compile differently for 1.8 vs 1.9?
- [14:02:29] <koen>
probably
- [14:02:34] <koen>
but I hate #ifdefs :)
- [14:02:36] * NishanthMenon (~nmenon@nat/ti/x-qbbhhxiianfmomjf) has joined #pandaboard
- [14:02:38] <koen>
(although TI likes them)
- [14:03:08] <robclark>
yeah, generally I dislike them.. but in this case, I don't know if there is any better option
- [14:03:15] <mru>
all corps do
- [14:03:49] * ian_brasil (~ian_brasi@189.2.128.130) Quit (Ping timeout: 255 seconds)
- [14:03:50] * ian_brasil__ is now known as ian_brasil
- [14:07:22] * zero0 (cb7e888e@gateway/web/freenode/ip.203.126.136.142) Quit (Ping timeout: 265 seconds)
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- [14:18:14] * NishanthMenon (~nmenon@nat/ti/x-qbbhhxiianfmomjf) Quit (Quit: Ex-Chat)
- [14:25:25] * awayfar (~Adium@nat/ti/x-jlttgnhphtbbtdur) has joined #pandaboard
- [14:25:40] * awayfar (~Adium@nat/ti/x-jlttgnhphtbbtdur) has left #pandaboard
- [14:29:03] <jayabharath>
OMAP tutorial hour is about to start in a couple of min.. if you are interested to join - details are at http://bit.ly/dJFCI1
- [14:29:49] <av500>
wow, i can haz listen to nishant speak
- [14:30:19] <jayabharath>
he he.. ;)
- [14:32:23] * jayabharath (~jayabhara@nat/ti/x-dnakjcpvebjlkyts) Quit (Remote host closed the connection)
- [14:40:07] <koen>
robclark: have you tried xf86-video-v4l2 with a L24.11 kernel?
- [14:40:33] <mru>
what does that do?
- [14:40:38] <robclark>
no.. although I've used pvr_video which does similar things with v4l2
- [14:41:55] <koen>
robclark: http://pastebin.com/AubqQ0np
- [14:46:38] <bernard_>
from the TRM: "The ICEPick module implements a connect register, which must be configured with a predefined key to enable the full set of JTAG instructions."
- [14:46:43] * cringthis (~cringthis@nat/ti/x-nzhqqkoflkjwtdbx) Quit (Ping timeout: 240 seconds)
- [14:47:01] <bernard_>
anyone know if this predefined key is secret? or just a magic number to stop accidental badness?
- [14:47:22] <robclark>
koen: I get the same.. although I don't know if it is a problem..
- [14:51:29] * ceyusa (~vjaquez@155.99.117.91.static.mundo-r.com) Quit (Read error: Operation timed out)
- [14:51:53] * jayabharath (~jayabhara@nat/ti/x-zllkzwlazszuwgdk) has joined #pandaboard
- [14:55:02] * ceyusa (~vjaquez@155.99.117.91.static.mundo-r.com) has joined #pandaboard
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- [14:58:26] <koen>
mplayer -vo xv doesn't like it
- [14:58:44] <koen>
robclark: haven't tried xvimagesink yet, though
- [14:58:58] <mru>
xv over v4l sounds like a bad idea
- [14:59:20] <robclark>
koen: use v4l2sink
- [14:59:36] * sakoman (~sakoman@static-74-41-60-154.dsl1.pco.ca.frontiernet.net) Quit (Ping timeout: 265 seconds)
- [15:00:06] <robclark>
with xoverlay, it is just doing a XvPutVideo(), and then passing buffers thru v4l2..
- [15:00:13] <robclark>
sort of a hybrid between v4l2 and xv
- [15:00:24] <koen>
xvimagesink.c(1433): gst_xvimagesink_get_xv_support (): /GstPipeline:pipeline0/GstXvImageSink:xvimagesink0:
- [15:00:28] <koen>
No port available
- [15:00:56] <mru>
it's probably trying to do putimage
- [15:01:03] <mru>
what does xvinfo say?
- [15:03:29] <koen>
mru: http://pastebin.com/AubqQ0np
- [15:03:38] <mru>
as I thought
- [15:03:39] * koen hops onto a syslink confcall
- [15:03:43] <mru>
operations supported: PutVideo
- [15:03:56] <mru>
xvimagesink probably looks for a PutImage-capable port
- [15:04:25] <robclark>
probably.. but PutImage is evil
- [15:05:41] <mru>
and then xvinfo itself fails on a GetPortAttribute request
- [15:06:25] <robclark>
yeah.. probably something I'm not doing right..
- [15:07:35] * cooloney (~roc@124.76.14.0) Quit (Quit: Lost terminal)
- [15:07:36] * sakoman (~sakoman@static-74-41-60-154.dsl1.pco.ca.frontiernet.net) has joined #pandaboard
- [15:07:39] <mru>
seems like reading the value of XV_ENCODING failed
- [15:07:52] <mru>
even though it is marked as gettable
- [15:07:55] * mru blames driver
- [15:08:10] <mru>
and yes, PutImage is evil
- [15:08:12] <robclark>
yeah.. I probably need to set a value somewhere..
- [15:08:19] * nhg (~a0864305@nat/ti/x-dupstslsdqwmuccm) has joined #pandaboard
- [15:08:24] * sid (4e348387@gateway/web/freenode/ip.78.52.131.135) has joined #pandaboard
- [15:08:37] <mru>
every attribute has a default value
- [15:08:53] <robclark>
xf86-video-v4l2 was my first xorg driver.. so plenty of room for me to have screwed something up
- [15:09:37] * firefly_ (29d73ddd@gateway/web/freenode/ip.41.215.61.221) has joined #pandaboard
- [15:10:02] <sid>
hello
- [15:10:06] <sid>
can someone tell me
- [15:10:21] <sid>
consumption which pandaboard has
- [15:10:38] <koen>
5 pounds of bamboo per day
- [15:10:38] <nhg>
consumption?
- [15:10:48] <nhg>
hehe
- [15:11:03] <firefly_>
hehehe
- [15:11:09] <nhg>
power consumption?
- [15:11:17] <sid>
yes...
- [15:11:32] <nhg>
http://www.omappedia.org/wiki/Panda_Test_Data
- [15:11:58] <firefly_>
I need a hardware design consultant
- [15:12:03] <mru>
what is the power consumption of a russian prime minister?
- [15:12:10] <sid>
thank you!
- [15:12:21] <av500>
mru: in liters?
- [15:12:29] <mru>
of vodka?
- [15:12:31] <firefly_>
can I get a rate from anyone here someone here?
- [15:12:33] <nhg>
Meego on Panda presentation going on now...if anyone is interested
- [15:12:40] <J_P>
av500: mru: rsv: I test here in PC capturing using V4L2 30 FPS 640x480 and are using 3-4% of cpu. Just capturing, not show, save or compress images..
- [15:13:05] * av500 listens to Nishant mentioning sector 63 issue in meego
- [15:13:26] <av500>
J_P: 1 camera or 16?
- [15:13:28] <nhg>
WebEx: https://ti.webex.com/mw0306lb/mywebex/default.do?siteurl=ti Meeting Number: 751 133 275
- [15:13:35] <J_P>
av500: 1
- [15:13:37] <av500>
nhg: pong btw
- [15:13:42] <av500>
J_P: now try 16
- [15:13:56] * sid (4e348387@gateway/web/freenode/ip.78.52.131.135) Quit (Quit: Page closed)
- [15:14:57] <J_P>
av500: I don't have 16 to test.. :-(
- [15:15:14] <av500>
so test 15
- [15:15:20] <J_P>
av500: well, but in pandaboard V4L2 works fine?
- [15:15:34] <J_P>
av500: today I have just two.. :-)
- [15:15:49] <J_P>
av500: when will be possible I will to test more..
- [15:17:17] <J_P>
av500: do you know if in pandaboard V4L2 works fine, like as in PC?
- [15:17:45] <av500>
no idea for usb capturing
- [15:17:55] <mru>
v4l2 works differently everywhere
- [15:18:09] <mru>
I have yet to see two compatible drivers
- [15:18:35] <koen>
mru: sintel now has a 4k version online
- [15:20:28] <koen>
wait, that was just a marketing blurb
- [15:21:12] <J_P>
mru: my questino is about if in linux/arm (pandaboard) I will can to use V4L2 for capturing or not..
- [15:21:13] <mru>
someone should shoot them for doing 2048-wide renders too
- [15:21:35] <mru>
most monitors are 1920
- [15:21:54] <mru>
I do have one 2048x1152, but I wouldn't watch video on it
- [15:22:26] * sakoman_ (~sakoman@static-74-41-60-154.dsl1.pco.ca.frontiernet.net) has joined #pandaboard
- [15:23:49] * sakoman (~sakoman@static-74-41-60-154.dsl1.pco.ca.frontiernet.net) Quit (Remote host closed the connection)
- [15:25:13] * av500 knows all about meego on omap4
- [15:26:21] <jannau>
av500: is it doomed?
- [15:26:33] <av500>
dunno, but its upstream!
- [15:28:28] * nm_n900 (d036284c@gateway/web/freenode/ip.208.54.40.76) Quit (Quit: Page closed)
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- [15:42:17] * rsv (7aa62e54@gateway/web/freenode/ip.122.166.46.84) Quit (Quit: Page closed)
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- [16:09:19] * DesktopMa (~DesktopMa@82.116.88.97) Quit ()
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- [16:25:44] * Ori (d4eb212d@gateway/web/freenode/ip.212.235.33.45) has joined #pandaboard
- [16:25:50] <Ori>
hello all
- [16:26:48] <orbarron>
hello Ori
- [16:27:10] <Ori>
hi or, nice to meet u
- [16:28:02] <Ori>
i was wondering if anybody could help me out with MMC support over PandaBoard
- [16:30:43] * lnx11 (d9e00691@gateway/web/freenode/ip.217.224.6.145) has joined #pandaboard
- [16:32:32] <lnx11>
hey guys, is it possible to use the pandaboard with a bluetooth keyboard / mouse
- [16:32:37] <nhg>
Ori: what's the issue?
- [16:32:46] <nhg>
lnx11: yes...should be possible
- [16:34:19] <lnx11>
i'm thinking about to use the PB into a HTPC
- [16:34:39] <nhg>
I've also used it with a USB wireless keyboard/mouse
- [16:34:46] <nhg>
cool
- [16:35:16] * Ori (d4eb212d@gateway/web/freenode/ip.212.235.33.45) Quit (Ping timeout: 265 seconds)
- [16:35:50] <lnx11>
but ih there is already bluetooth on that board it were pretty cool to use a BT keyboard/mouse
- [16:38:07] * lnx11 (d9e00691@gateway/web/freenode/ip.217.224.6.145) Quit (Quit: Page closed)
- [16:39:54] * j_ack (~Rudi@p57A42050.dip.t-dialin.net) has joined #pandaboard
- [16:48:59] <nhg>
yes board has BT/WLAN support
- [16:49:31] <nhg>
with the WL1271 based TiWi module from LSR
- [16:50:31] <nhg>
I believe some folks in this forum may have gotten a BT keyboard/mouse to work
- [16:52:12] * orbarron thinks nhg scared off lnx11
- [16:53:29] * Ceriand|desktop (~Ceriand@unaffiliated/ceriand) Quit (Quit: Leaving.)
- [16:54:05] * dm8tbr (dm8tbr@2001:41b8:0:f010::2) Quit (Ping timeout: 272 seconds)
- [16:54:38] <av500>
nhg: you pinged me last night?
- [16:55:19] * robclark (~robclark@nat/ti/x-ioumhldyceyctvyx) Quit (Quit: be seeing you)
- [16:55:30] <nhg>
av500: yeah...nothing important
- [16:55:35] <av500>
k
- [16:55:39] <nhg>
thanks
- [16:55:42] <av500>
np
- [16:55:58] <av500>
I was just cleaning query windows
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- [17:09:29] <Gina>
does anyone know if the panda boards that came from digikey are ES2.0 or ES2.1 silicon?
- [17:10:02] <av500>
2.1
- [17:10:08] <av500>
they better be 2.1
- [17:10:49] * BThompson (~a0193480@nat/ti/x-drzphntocxqzfclk) has joined #pandaboard
- [17:10:55] <orbarron>
Gina: http://www.omappedia.com/wiki/PandaBoard_Revisions
- [17:13:38] * nhg wondering if prpplague is around
- [17:14:06] <orbarron>
nhg: nope..
- [17:14:44] <av500>
gone drinking that rum again?
- [17:15:20] * Sage__ is now known as Sage
- [17:15:32] <nhg>
maybe
- [17:16:54] <orbarron>
hahaha
- [17:18:40] <Gina>
orbarron: thanks
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- [19:02:36] <rs_>
are the datasheets for omap4 open?
- [19:03:00] <mru>
no
- [19:03:08] * hunt0r (~hunter@dslb-088-066-183-057.pools.arcor-ip.net) has joined #pandaboard
- [19:03:09] <mru>
partial TRM is open
- [19:03:12] <mru>
not the datasheet
- [19:03:14] <topfs2>
mru: you'll be happy to know I finally got a monitor now :)
- [19:03:14] <mru>
it's stupid
- [19:03:24] <topfs2>
my roomate apperantly had one I could buy cheap of him ;)
- [19:04:42] <rs_>
i want to use the venc part. is there any different from what is there on omap3?
- [19:05:17] <robclark>
koen / mru: fyi, I found the problem w/ latest h264dec vs big buck bunny clip..
- [19:05:26] <rs_>
is there a dss subsystem for omap4 like there was one in omap3
- [19:05:28] <mru>
rs_: that's covered in the public trm iirc
- [19:05:38] <mru>
dss is similar to omap3 but has some extra features
- [19:05:41] <rs_>
i mean software like tomi's
- [19:05:43] <robclark>
I had something wrong in my buffer padding calculation.. and mru probably just copied my mistake
- [19:05:57] <mru>
robclark: tell more
- [19:05:58] * nage (~george@97.75.169.100) has joined #pandaboard
- [19:05:58] <rs_>
venc is same? i need to see. let me check
- [19:06:04] <av500>
rs_: similar
- [19:06:23] <av500>
omap4 is an evolution of omap3 dss
- [19:06:28] <robclark>
mru: it seems padding calculation should be applied *after* rounding up to even number of macroblocks
- [19:06:38] <mru>
makes sense
- [19:06:50] <mru>
it did strike me as slightly odd the way it was done
- [19:06:57] <robclark>
so clips that are say, 1080 lines high, would exhibit this issue
- [19:07:06] <robclark>
but if it was 1088 lines, it would be fine ;-)
- [19:07:23] <mru>
1080 is always coded as 1088
- [19:07:25] <mru>
it has to be
- [19:07:32] <robclark>
yup
- [19:07:47] <rs_>
mru: is this the latest one: http://focus.ti.com/pdfs/wtbu/OMAP4430_ES2.x_Public_TRM_vK.zip
- [19:08:04] <mru>
vN is the latest
- [19:08:38] <rs_>
where are these listed?
- [19:08:49] <mru>
http://focus.ti.com/general/docs/wtbu/wtbudocumentcenter.tsp?templateId=6123&navigationId=12667
- [19:09:00] <mru>
but good luck finding that page through "official channels"
- [19:10:03] <rs_>
which page? the page listing the trm?
- [19:10:11] <rs_>
or the page in the trm?
- [19:10:18] <mru>
the link I posted
- [19:10:48] <rs_>
am already lost!
- [19:10:52] <rs_>
thanks mru
- [19:11:35] <koen>
robclark: give http://peach.themazzone.com/durian/movies/sintel-2048-surround.mp4 a try as well
- [19:12:51] <robclark>
koen: I need to check if the codec is still limiting width to 1920.. or if it will allow 2k wide
- [19:13:22] * ceyusa (~vjaquez@155.99.117.91.static.mundo-r.com) Quit (Remote host closed the connection)
- [19:13:35] <robclark>
I know I checked a while back with omx, and that clip wouldn't play.. but I don't remember if it was due to codec sillyness or omx sillyness
- [19:14:24] * gxben (~gxben@2a01:e35:8b11:d200:208:c7ff:fecb:3a64) has joined #pandaboard
- [19:14:56] * av500 guesses both
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- [19:22:21] <Gina>
I built the x-loader from the top of the tree omap4_dev, so it should have 400 MHz DDR support ... is there any way to confirm that my ES2.1 Panda is now running with 400 MHz DDR?
- [19:23:59] * KC9SJQ (~grant@69-212-152-140.ded.ameritech.net) Quit (Ping timeout: 265 seconds)
- [19:25:15] <mru>
there's a tool somewhere that will measure the ddr clock
- [19:26:05] <Gina>
mru: on omappedia somewhere?
- [19:28:50] * rs_ (3a4416ab@gateway/web/freenode/ip.58.68.22.171) Quit (Quit: Page closed)
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- [19:33:03] <robclark>
Gina: http://neuromancer.dal.design.ti.com/~robclark/omap4_emifspeed (sorry for the internal link)
- [19:33:09] <robclark>
that will tell you EMIF speed..
- [19:33:14] <robclark>
2x for DDR speed
- [19:33:25] <robclark>
(credit goes to mru)
- [19:33:40] <mru>
it will probably print 199 instead of 200 due to integer rounding
- [19:33:55] <av500>
robclark: link does not work
- [19:34:12] <robclark>
av500: sorry, internal link.. I don't have anywhere handy to put it publically
- [19:34:16] <Gina>
robclark, mru: thanks!
- [19:34:18] <av500>
wikileaks?
- [19:34:26] <robclark>
heheh
- [19:34:56] <robclark>
well, it is same program that mru posted some time back.. I'm guessing there probably is still a link to it somewhere..
- [19:35:51] <mru>
someone put it on one of the wikis
- [19:35:58] <mru>
but I can't remember which one
- [19:36:30] <robclark>
yeah.. too many wikis
- [19:36:38] <mru>
and they leak
- [19:36:43] <av500>
we should have a wiki that keeps track of them
- [19:37:15] <mru>
and another to track the tracker wikis
- [19:38:04] <av500>
maybe we can make that distributed p2p engine based?
- [19:38:30] <robclark>
oh dear
- [19:38:56] <mru>
reindeer?
- [19:39:03] <mru>
it's that season, no?
- [19:39:31] <mru>
or in some parts of the world, raindeer
- [19:39:44] <robclark>
grandma got run over by one
- [19:40:14] <mru>
it was driving a car?
- [19:40:20] * _roger_ (~a0740758@nat/ti/x-ykduvgenrvzwvhlp) Quit (Quit: Leaving.)
- [19:40:20] <mru>
was she pulling a sleigh?
- [19:40:42] <robclark>
heheh, I think that's how the song goes
- [19:40:52] <mru>
and aren't they supposed to fly?
- [19:40:57] <mru>
it's pigs that don't fly
- [19:41:06] <mru>
and sheep, at least according to monty python
- [19:41:35] <robclark>
heheh
- [19:44:33] * J_P (~neo@189.2.146.45) Quit (Quit: Leaving.)
- [19:44:50] <Gina>
robclark, mru: hmm ... the tool just outputs 100 MHz. It looks like somehow the changes for 400MHz DDR didn't take effect. Anything I need to change other than the x-loader?
- [19:45:07] <mru>
100 is definitely wrong
- [19:45:18] <robclark>
should just be x-loader.. that and having a es2.1
- [19:45:19] <av500>
Gina: just pick the right xloader
- [19:45:30] <av500>
robclark: and the right resistors?
- [19:45:39] <mru>
av500: got a monte carlo method for that too?
- [19:45:47] <mru>
resistors don't matter
- [19:45:53] <av500>
mru: sure, your tool and cat /dev/random > MLO
- [19:45:54] <mru>
it checks the id register
- [19:45:57] <robclark>
I don't think x-loaders uses the board revision gpio's
- [19:45:59] <av500>
mru: iknow :)
- [19:46:27] <Gina>
hmm ... I am using this patch in the x-loader: http://dev.omapzoom.org/?p=bootloader/x-loader.git;a=commit;h=6617cda3b1685e2eb06bab13f5b2dc7b0c9b2dae and it should be an ES2.1 panda according to the link orbarron sent
- [19:47:00] <av500>
patch looks ok
- [19:47:02] <robclark>
Gina: that commit won't do it
- [19:47:10] <robclark>
panda has, or at least used to have, it's own board file
- [19:47:23] <robclark>
so the same change would be needed in omap4430panda.c
- [19:47:23] <Gina>
ah
- [19:47:28] <av500>
ah, sdp, right
- [19:48:03] <robclark>
some refactoring necessary.. panda and sdp really should share a lot more common xloader code than they do
- [19:49:06] <av500>
maybe xloader needs a device tree?
- [19:49:37] <robclark>
umm.. let's hope not
- [19:49:44] <robclark>
but maybe an omap4430common.c
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- [20:03:12] <armin76>
guerby: i also get out of ram, but nothing has failed on me because it couldn't allocate memory
- [20:03:37] <armin76>
guerby: for some reason the memory is cached and doesn't free it, and then dmesg is full of out of mem
- [20:04:10] <armin76>
since you're running ubuntu i'm sure they'll fix it
- [20:04:23] * jayabharath (~jayabhara@nat/ti/x-jskbypejqeoydkbz) has joined #pandaboard
- [20:04:25] <armin76>
then we'll have to wait 6 months to get a patch for other kernels
- [20:05:40] <armin76>
jayabharath: robclark: the l2 patch is still not on kernel-omap4...
- [20:07:12] <robclark>
armin76: apparently you should be able to submit kernel patches via http://review.omapzoom.org/#project,open,kernel/omap,n,z
- [20:08:24] <armin76>
mru: ^
- [20:10:23] * pcacjr (~pcacjr@unaffiliated/pcacjr) Quit (Ping timeout: 250 seconds)
- [20:11:00] <av500>
l2 patch is in my kernel :)
- [20:12:25] * pcacjr (~pcacjr@187.59.122.14) has joined #pandaboard
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- [20:18:12] <Gina>
robclark, mru: I tried adding 400MHz support to omap4430panda.c, but it didn't work. any other ideas? is there a better place to get the MLO source for Panda ES2.1?
- [20:19:10] <robclark>
the latest L24.11 x-loader really still doesn't have 2.1 updates for panda?
- [20:19:20] <mru>
this one is known to work: http://gitorious.org/~rsalveti/pandaboard/rsalveti-x-loader/commits/omap4_panda_es2.1
- [20:19:45] <robclark>
yeah, use rsalveti's if the "official" one still misses panda support
- [20:20:14] <rsalveti>
robclark: I got the patch from sebjan that adds the panda support at the tree, but don't know if he sent it to the maintainer of that tree
- [20:21:15] <rsalveti>
will check with him tomorrow and if now I can just forward it
- [20:21:21] <rsalveti>
*if not
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- [20:29:57] <Gina>
rsalveti: I tried the x-loader from your tree on my ES2.1 panda board, but I get "Error: reading boot sector. Could not read bootloader!" anything I missed?
- [20:30:31] <rsalveti>
Gina: just to be sure, can you recreate the first sd partition?
- [20:30:51] <rsalveti>
backup your files, recreated it with mkfs.vfat -F 32 and then copy the files back
- [20:32:47] <Gina>
rsalveti: hmm .. same issue ... I synced to commit ID 9e4650a and built with omap4430panda_config
- [20:33:39] <rsalveti>
Gina: hm, it should work fine
- [20:34:19] <robclark>
actually, rsalveti's MLO should be more likely to work fine.. I don't think the patch to fix hard-coded sector is on dev.omapzoom.org tree
- [20:34:42] <rsalveti>
robclark: yeah, it's there already
- [20:34:58] <av500>
how fast a year passes :)
- [20:35:20] <rsalveti>
http://dev.omapzoom.org/?p=bootloader/x-loader.git;a=shortlog;h=refs/heads/omap4_dev
- [20:35:33] <rsalveti>
the only missing patch is to properly support panda es2.1
- [20:36:01] <robclark>
ahh, yeah.. it does seem like there has been some recent activity
- [20:37:04] <rsalveti>
robclark: Gina: http://paste.ubuntu.com/544171/ the patch from sebjan
- [20:37:55] <Gina>
ah, thanks
- [20:38:19] <Gina>
so I should just be able to add that to the top of the omap4_dev branch of the main x-loader tree to get 400MHz support for Panda ES2.1?
- [20:38:53] <rsalveti>
actually use this one http://paste.ubuntu.com/544172/, the other doesn't apply fine
- [20:39:04] <rsalveti>
Gina: yup
- [20:39:19] <rsalveti>
but my tree should have worked for you
- [20:39:26] <rsalveti>
but you can try this tree if you want
- [20:39:52] <Gina>
yeah ... not sure why it didn't :( probably some stupid mistake on my end. let me try the main tree with your patch now
- [20:40:05] * hrw (~hrw@89-73-120-20.dynamic.chello.pl) has joined #pandaboard
- [20:48:37] * rsalveti brb
- [20:52:51] <Gina>
rsalveti, robclark: I added that patch to the x-loader mainline tree and now omap4_emifspeed shows 200 MHz, so it looks good - thanks!
- [20:54:21] * mdomsch_ (~mdomsch@2001:1938:16a::2) Quit (Ping timeout: 240 seconds)
- [20:54:29] <robclark>
excellent
- [20:54:53] <robclark>
koen: btw, sintel clip plays fine
- [20:55:06] <av500>
\\\ooo///
- [20:55:10] <koen>
robclark: nice!
- [20:55:28] * Alison_Chaiken (~alison_ch@192.100.104.170) has joined #pandaboard
- [20:55:35] <koen>
robclark: I'll pull in the dce changes tomorrow
- [20:55:52] <robclark>
ok.. I'll probably even push them before then ;-)
- [20:55:59] <robclark>
no libdce changes, only gst-ducati
- [20:56:13] <robclark>
(well.. I guess I should update the test app in libdce..)
- [20:58:13] <mru>
av500: are you one of these? http://www.youtube.com/watch?v=c4SJ0xR2_bQ#t=110s
- [20:58:55] <av500>
mru: "This video is not available in your country...."
- [20:59:05] <koen>
robclark: have a patch for omapfbplay :)
- [20:59:12] <mru>
av500: then you'll have to imagine what it is
- [20:59:22] <av500>
no thanks
- [20:59:38] <mru>
remember sir robin?
- [21:00:02] <robclark>
brave sir robin
- [21:00:13] * av500 is lost
- [21:00:32] <mru>
robclark: the one and only
- [21:00:58] <robclark>
av500 should watch more monte python
- [21:01:20] <av500>
ah
- [21:01:20] <mru>
as should robclark, then perhaps he'd learn how to spell it
- [21:01:39] <av500>
mru: he's excempt
- [21:01:53] * robclark spel's gud
- [21:01:55] <mru>
av500: as are you, apparently
- [21:02:02] <av500>
mru: :)
- [21:02:13] <av500>
i learn engrish good!
- [21:03:42] <eFfeM>
av500: go back play with your pandaborat ;-)
- [21:04:05] <av500>
can't, it's out there insulting people
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- [22:13:51] * eFfeM (~frans@j200125.upc-j.chello.nl) Quit (Quit: Leaving.)
- [22:15:47] * nypop (nypop@ool-18b93bff.dyn.optonline.net) Quit ()
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- [22:27:51] * BThompson (~a0193480@nat/ti/x-drzphntocxqzfclk) Quit (Remote host closed the connection)
- [22:32:26] * parapete (~pete@host86-148-71-251.range86-148.btcentralplus.com) has joined #pandaboard
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- [22:54:35] * hunt0r (~hunter@dslb-088-066-183-057.pools.arcor-ip.net) Quit (Remote host closed the connection)
- [23:00:24] * KC9SJQ (~grant@69-212-152-140.ded.ameritech.net) Quit (Ping timeout: 260 seconds)
- [23:08:14] * nypop (nypop@ool-18b93bff.dyn.optonline.net) has joined #pandaboard
- [23:08:18] * bratsche (~cody@ubuntu/member/bratsche) Quit (Quit: Ex-Chat)
- [23:30:00] * mdomsch_ (~mdomsch@2001:1938:16a::2) Quit (Ping timeout: 240 seconds)
- [23:32:07] * nhg (~a0864305@nat/ti/x-dupstslsdqwmuccm) has left #pandaboard
- [23:37:08] * ozk (~ozk@nat/ti/x-onuqjnziebjedncz) Quit (Ping timeout: 260 seconds)
- [23:48:38] * jayabharath (~jayabhara@nat/ti/x-jujayuudzwepgcgn) has joined #pandaboard
- [23:54:46] * pcacjr (~pcacjr@unaffiliated/pcacjr) Quit (Quit: Lost terminal)
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