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| 02:14.17 | *** topic/#edev is Discussion of embedded systems (Hardware/Software/Linux/WinCE/Commercial Device Repurposing) : Busybox and Buildroot : http://www.elinux.org |
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| 14:56.01 | kergoth_ | meh |
| 15:01.28 | sjhill | lo' kergoth_ |
| 15:01.45 | sjhill | hey prpplague^2 |
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| 16:41.13 | prpplague | sjhill: ping |
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| 17:04.12 | prpplague | bgamari: greetings |
| 17:04.23 | prpplague | GPSFan: howdy |
| 17:04.31 | prpplague | GPSFan: how are the sheep today? |
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| 17:09.37 | chouimat | morning |
| 17:24.04 | GPSFan | prpplague, g'day.. a bit of snow, they are enjoying snowcones.. ;>)) |
| 17:24.40 | prpplague | GPSFan: dandy |
| 17:24.45 | prpplague | chouimat: hey frenchy |
| 17:24.54 | prpplague | chouimat: hows biz? |
| 17:25.20 | GPSFan | prpplague, did you have any luck getting 2.6.37 working with panda? |
| 17:25.32 | prpplague | GPSFan: yea, i haven't had any problems with it |
| 17:25.43 | prpplague | GPSFan: been testing .38-rc |
| 17:26.22 | GPSFan | prpplague, I tried 2.6.8-rc1 and it wouldn't even boot. are there any patches or a better .config than what I came up with? |
| 17:28.11 | prpplague | GPSFan: i just used the omap2plus config |
| 17:28.22 | prpplague | GPSFan: what x-loader and u-boot are you using? |
| 17:28.33 | GPSFan | for 2.6.37 or 38-rc? |
| 17:29.06 | chouimat | prpplague: slow |
| 17:29.29 | GPSFan | I tried the one from gitouious/xloader and on .38-rc it made no difference. the kernel just hung after it loaded. |
| 17:30.08 | prpplague | GPSFan: need to use mainline for u-boot and x-loader |
| 17:30.11 | prpplague | GPSFan: one sec |
| 17:30.23 | GPSFan | prpplague, there is probably a magic set of x-loader/u-boot/kernel that works, I probably dont have that magic. ;>( |
| 17:30.41 | prpplague | GPSFan: one sec |
| 17:31.32 | prpplague | GPSFan: http://paste.ubuntu.com/560676/ |
| 17:32.30 | GPSFan | prpplague, I'll try that combo and see what I get. |
| 17:32.36 | GPSFan | THANKS!! |
| 17:33.27 | prpplague | GPSFan: you'll need to change the console tty from ttyS to ttyO , but other than that you should be good |
| 17:34.50 | GPSFan | good deal I'm getting the repo's now. |
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| 17:41.40 | GPSFan | prpplague, interesting I used ttyS2 in 2.6.37 and got bootup stuff out the serial has something changed in the panda config? |
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| 17:50.38 | prpplague | GPSFan: you'll boot up, but you won't be using the high speed omap uart |
| 17:53.58 | GPSFan | prpplague, is the onlt place that needs changing the kernel command line in the kernel's .config? |
| 17:54.16 | prpplague | GPSFan: iirc only the kernel command line |
| 17:54.27 | GPSFan | ok thanks. |
| 17:54.40 | prpplague | GPSFan: you can double check the kernel config to make sure that the omap hs uart is enabled |
| 17:56.03 | GPSFan | prpplague, what compiler you been using? any issues with arm-2009q3 or arm-2010.09 |
| 17:56.16 | chouimat | wants his pandaboard .... |
| 17:56.19 | chouimat | :) |
| 17:56.31 | GPSFan | ;>)) |
| 17:57.11 | prpplague | GPSFan: tested with both a OE build, arm-2009q1, arm-2009q3 |
| 17:57.57 | GPSFan | k |
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| 18:35.44 | GPSFan | prpplague, got all 3 compiled, and the kernel hangs after decompression. I tried ttyS2 and ttyO2, both resulted in the same hang, MLO & u-boot seem to run ok, I made sure I had the same rev's of u-boot & x-loader that you specified, using the 2009q3 compiler. Might you have a set of bins I could try to see if I can narrow the problem down? |
| 18:36.44 | prpplague | GPSFan: can you enable earlyprintk in the kernel? |
| 18:36.54 | GPSFan | I will. |
| 18:41.32 | GPSFan | prpplague, nothing. This is with the unmodified .config which sets console=ttyO2,115200 |
| 18:41.53 | prpplague | GPSFan: add earlyprintk to your bootargs |
| 18:43.49 | GPSFan | prpplague, does u-boot override the default kernel command line? |
| 18:43.54 | prpplague | no |
| 18:44.25 | GPSFan | ok so I'll add it into the kernel command line via menuconfig |
| 18:44.48 | prpplague | GPSFan: sorry, i misread your question |
| 18:45.01 | prpplague | GPSFan: yes u-boot overrides the kernel default |
| 18:45.24 | prpplague | GPSFan: too many things going on |
| 18:45.40 | prpplague | anyone have experience compiling openocd for windows? |
| 18:46.40 | GPSFan | prpplague, ok so the kernel command line in u-boot is where I need to set console=ttyO2,115200 |
| 18:46.46 | prpplague | yes |
| 18:46.51 | GPSFan | Ah... |
| 18:47.22 | prpplague | GPSFan: the kernel checks to see if there is an atag for command line, if there is one the atag is used, else the default command line is used |
| 18:50.12 | monmotha | anyone happen to have done any davinci work? I'm looking for a GPIO from userspace access method of some sort (sysfs, chardev, whatever) that doesn't horribly abuse the file_operations API |
| 18:52.05 | prpplague | monmotha: not sure on what level you are wanting to work with, but devmem2 can access the physical memory locations to do toggling |
| 18:52.23 | monmotha | yeah, I was hoping to not have to bang on the registers directly |
| 18:53.32 | monmotha | but then that's not a whole lot worse than the driver I have, and it avoids doing things like passing register numbers in as the "buf" argument to "read" and getting the value back as the return status... |
| 18:53.35 | monmotha | (I kid you not) |
| 18:54.59 | SpeedEvil | ioctl? |
| 18:55.30 | SpeedEvil | How silly do you have to be to reinvent ioctl, badly. |
| 18:55.42 | monmotha | yeah... |
| 18:56.31 | monmotha | and actually, I'm not sure it'll even work, anyway. The kernel function is missing the first file* argument entirely. gcc even warns about the incompatible initializer in the file_operations struct. |
| 18:56.43 | monmotha | I honestly wonder if any of this stuff was even tested |
| 18:56.49 | GPSFan | prpplague, Ok, now I get nice stuff printing out at startup, I still have problems starting up. http://paste.ubuntu.com/560694/ Lines 32,126,139 are the same stuff I saw a couple of weeks ago when I first tried 2.6.37. |
| 18:56.50 | monmotha | it *does* compile... |
| 18:57.05 | prpplague | looks |
| 18:57.58 | GPSFan | prpplague, I'm not worried about the not finding the VFS, yet. |
| 18:58.39 | prpplague | GPSFan: 32 is just a warning |
| 18:59.05 | prpplague | GPSFan: so are the others |
| 18:59.23 | prpplague | GPSFan: you are using stock 2.6.37? |
| 18:59.33 | GPSFan | prpplague, yes |
| 19:01.37 | prpplague | weird |
| 19:01.46 | prpplague | GPSFan: i sent you an email with a config to try |
| 19:03.50 | monmotha | ok, so yeah...this "driver" ranges from "broken" to "pointless" to "replace the whole thing with proper application of the % operator" |
| 19:04.03 | monmotha | I'll just make a userspace library and bang on /dev/mem :) |
| 19:05.31 | GPSFan | prpplague, thanks, The vfs problem is also due to the u-boot kernel command line, it is "very" different from what I was using before, when it did boot. I'll be poking at it after lunch... |
| 19:06.09 | prpplague | GPSFan: testing now |
| 19:06.20 | prpplague | GPSFan: what is the kernel command line? |
| 19:06.24 | prpplague | GPSFan: pastebin please |
| 19:06.58 | prpplague | looks |
| 19:07.18 | prpplague | GPSFan: command looks correct |
| 19:07.26 | prpplague | GPSFan: you are using ext3 right? |
| 19:08.47 | GPSFan | yes. |
| 19:09.13 | prpplague | GPSFan: ok, it must be the config |
| 19:09.35 | prpplague | GPSFan: i just booted stock x-load+u-boot+kernel, but with that config i sent you |
| 19:11.38 | prpplague | checks |
| 19:13.30 | GPSFan | prpplague, yeah, I know there are problems with the kernel command line. trying to deal with several things in parallel. Must be time for lunch. ;>)) |
| 19:18.47 | prpplague | GPSFan: weird my images are booting with no issues |
| 19:19.44 | prpplague | formats a fresh card for testing |
| 19:25.15 | GPSFan | prpplague, dont read too much into my image not booting, it is NOT a normal minimal rootfs image. that's why i'm not worried. |
| 19:25.24 | prpplague | ahh |
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| 20:56.08 | sjhill | prpplague: hello |
| 20:58.40 | prpplague | sjhill: greetings |
| 21:01.35 | sjhill | prpplague: did you need something? |
| 21:01.57 | prpplague | sjhill: sorry was just checking in to see if you needed any info on getting started |
| 21:02.35 | sjhill | prpplague: nah, i enjoy taking my first drinks full force from the firehose, but i'll ping you if i hit any problems |
| 21:06.48 | prpplague | sjhill: good deal |
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| 21:23.15 | GPSFan | prpplague, well I now have the fs mounted, init runs but when it tries to put a getty on ttyO2 I get: "can't open /dev/ttyO2: No such device or address" the /dev/ttyO2 is there (it's hard coded as crw-rw-rw- 247,2) my older 2.6.35 kernel worked fine with the same rootfs. |
| 21:24.13 | prpplague | GPSFan: the hs uart is assigned dynamic major/minors numbers because it is intended to be used with udev type stuff |
| 21:24.29 | prpplague | GPSFan: you;ll need to check your proc or sysfs entries to find out the default for your build |
| 21:26.04 | GPSFan | Ah, that makes sense, sort of chicken & egg problem, no serial so I can't see what the serial /dev/ entry is. ;>)) |
| 21:27.09 | prpplague | yea |
| 21:33.24 | prpplague | wow judge rules that obamacare is unconstitutional, doesn't even make the headlines for cnn.com |
| 21:46.56 | chouimat | hmmm -18C outside ... and I feel like going to the pub ... |
| 21:48.29 | prpplague | chouimat: hehe |
| 21:48.39 | prpplague | chouimat: gonna get messy here tomorrow |
| 21:50.05 | chouimat | prpplague: and the pub is just 2.5km away ( a nice 30 minutes walk) |
| 21:50.53 | prpplague | just? |
| 21:51.24 | chouimat | :) |
| 21:52.39 | chouimat|away | time to go later |
| 21:53.28 | prpplague | later |
| 22:09.17 | sjhill | anyone going to ELC? |
| 22:09.19 | prpplague | Mirell: hehe landley hasn't updated his linkedin pages |
| 22:09.32 | prpplague | sjhill: i'm about to submit a proposal for ELC |
| 22:09.57 | prpplague | sjhill: "Board Bringup Utilities, Tips and Tricks" |
| 22:10.18 | prpplague | sjhill: i did have "Sun Tzo: The Art of War (and Debugging)" |
| 22:10.33 | prpplague | sjhill: but i thought it might be too cheezy |
| 22:10.59 | roxfan | it's "tzu" |
| 22:11.02 | roxfan | i think |
| 22:11.14 | SpeedEvil | 'In encircled ground, JTAG' |
| 22:11.19 | prpplague | roxfan: yea typo |
| 22:11.20 | ohsix | tzo was his cousin |
| 22:35.13 | Mirell | Hmm. |
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