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| 17:00.22 | *** topic/#debianppc is Welcome to #debianppc, the channel for the Debian GNU/Linux PowerPC port: http://www.debian.org/ports/powerpc. FAQs: Debian CDs are not and cannot be bootable on OldWorld PowerMacs. Info on proper partitioning can be found at http://www.alaska.net/~erbenson/doc/mac-fdisk-basics.txt, the yaboot HOWTO can be found at http://www.alaska.net/~erbenson/doc/yaboot-howto.html. | OFTC move: http://tinyurl.com/zehar ; http://tinyurl.com/jtozx |
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| 22:12.56 | dalibor | how do i get gcc asm to store the stack pointer into a C variable? |
| 22:13.55 | dalibor | asm("mr %0, r1": "=r"(foo)); doesn't really work, the compiler complains about relocations. |
| 22:16.24 | dalibor | <PROTECTED> |
| 22:16.27 | dalibor | any ideas? |
| 22:21.29 | ag | dalibor: asm volatile may help you there |
| 22:23.17 | dalibor | oh, I think using %%r1 |
| 22:23.21 | dalibor | fixes it. |
| 22:23.23 | dalibor | thanks! |
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| 22:40.11 | Flimzy | The backlight on my Powerbook G4 seems to have stopped working recently. I suspect as a result of a kernel upgrade and/or dist-upgrade. What kernel features and/or packages should I start investigating to find the problem? |
| 22:41.56 | sk1p | Flimzy: i2c |
| 22:42.25 | Flimzy | sk1p: thanks, I'll start there |
| 22:42.37 | Flimzy | ... as I squint at the display from 3 inches away so I can read the darn thing |
| 22:46.58 | Danamania | it's a vmlinuz kernel too - renaming it to .gz and attempting a gunzip fails, and file identifies it as: |
| 22:47.01 | Danamania | $ file vmlinuz-2.6.8-3-powerpc.gz |
| 22:47.01 | Danamania | vmlinuz-2.6.8-3-powerpc.gz: executable (RISC System/6000 V3.1) or obj module not stripped |
| 22:47.08 | Danamania | which sounds broken. |
| 22:47.21 | Danamania | is this known as a broken one? or have I done something silly? :) |
| 22:48.49 | Danamania | (by doesn't work in bootx, I mean bootx doesn't even identify it as a valid kernel to list in its dropdown box of choices) |
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| 23:24.50 | Flimzy | Danamania: Where did you get the kernel from? |
| 23:27.34 | Danamania | through an apt-get install kernel-image-2.6.8-3-powerpc |
| 23:27.45 | Danamania | running Sarge on this 6500/300 powermac |
| 23:29.29 | Danamania | using ftp.us.debian.org in my /etc/apt/sources.list - should be as official as it gets :) |
| 23:35.25 | Flimzy | Hmm |
| 23:35.55 | Flimzy | I'm afraid I'm not going to be of any help, then. |
| 23:36.00 | Flimzy | I'm not familiar with that error |
| 23:36.05 | Flimzy | and I always build my own kernels anyway |
| 23:36.46 | Flimzy | I'm relatively new to this ppc linux thing anyway. i have it on a 350Mhz iMac, and this 1.5Ghz powerbook |
| 23:36.52 | Flimzy | but don't do a whole lot of tweaking |
| 23:36.57 | Flimzy | except on days like today, when a dist upgrade breaks something |
| 23:38.00 | Danamania | other things might break, but usually not kernels :) |
| 23:39.07 | Flimzy | I tried on a MacII fx a while back |
| 23:39.15 | Flimzy | but the odd-ball video hardware didn't work with m68k linux |
| 23:39.25 | Flimzy | and I wasn't skilled enough to install a headless system blindly |
| 23:39.26 | Danamania | yeah - it's picky :) |
| 23:39.27 | Flimzy | at the time |
| 23:39.28 | Flimzy | hehe |
| 23:39.40 | Flimzy | not to mention a 40Mhz headless Mac is rather worthless anyway |
| 23:39.41 | Flimzy | even back then |
| 23:40.07 | Flimzy | Most of my computers are still PCs |
| 23:40.12 | Flimzy | but I like a little flavor |
| 23:40.14 | Flimzy | so got a powerbook |
| 23:40.19 | Flimzy | and then got a cheap iMac |
| 23:40.22 | Flimzy | have a Sun machine somewhere |
| 23:44.11 | Flimzy | Yeah, with enough memory, a slow CPU can usually do a pretty good job for basic web or file serving |
| 23:45.24 | Flimzy | My 350Mhz iMac has an amazing 512mb of RAM... I don't have any use for that much in there. All I use it for is occasional web browsing and spanish homework (installed the whole OS in Spanish as a language practice platform) |
| 23:45.40 | Flimzy | Installing an OS in a language you don't understand adds entirely new levels of complication to the process :) |
| 23:46.14 | Danamania | oooh it would! |
| 23:46.34 | Danamania | i have kubuntu on an iMac 400 here, with about 384MB (I think). It's a nice little play box |
| 23:48.14 | Flimzy | hrmph |
| 23:48.14 | Danamania | oh. I think I see what's happened. Maybe. |
| 23:48.21 | Flimzy | well I added i2c support to my kernel |
| 23:48.25 | Flimzy | but my backlight still won't come on |
| 23:48.57 | Danamania | I do have a vmlinux-* 2.6.8-3 kernel in /boot, as well as the vmlinuz-* one - and it works. Dated may 25 though. |
| 23:49.13 | sk1p | Flimzy: did you also add i2c support for your specific controller? i think its called i2c-keywest |
| 23:49.38 | Flimzy | sk1p: I added the one for powermacs, and the one for CHRP which I didn't think applied to me. I'll double check specifically for keywest |
| 23:52.10 | Flimzy | sk1p, Is that under the I2C section? or Macintosh device drivers? or somewhere else? |
| 23:52.56 | sk1p | should be under I2C.. maybe they renamed |
| 23:53.56 | Flimzy | looks like they must have. |
| 23:54.11 | Flimzy | In 2.6.15 it was beteen PIIX4 and MPC |
| 23:54.18 | Flimzy | the option in the same place is now called "i2c-powermac" |
| 23:54.21 | Flimzy | and yes, I have that one selected |
| 23:55.33 | Flimzy | fn-F1 and fn-F2, right? |
| 23:55.37 | Flimzy | to change the brightness? |
| 23:56.30 | sk1p | uhm, d'oh, i think i misread your question.. i thought you were talking about the keyboard backlight |
| 23:57.00 | sk1p | for screen backlight you don't need i2c stuff |
| 23:57.09 | sk1p | hmm.. ATI or NVidia card? |
| 23:57.53 | Flimzy | nvidia |
| 23:58.16 | Flimzy | I probably did not clearly state my question... since it never occured to me that there even was a keyboard backlight. hehe |
| 23:58.35 | sk1p | ;) |
| 23:59.24 | Flimzy | is that in the x config somewhere then? |
| 23:59.25 | sk1p | nvidiafb compiled & running? check dmesg |
| 23:59.28 | Flimzy | or is it still kernel related? |
| 23:59.32 | sk1p | kernel related |
| 23:59.41 | sk1p | that stuff is in the frame buffer driver |
| 23:59.47 | Flimzy | well X is working... but let me check about which fb is running now |