/srv/irclogs.ubuntu.com/2009/12/14/#ubuntu-kernel.txt

kayveis it possible for me to use atomic_dec_and_test(atomic_t* v) in a user program?03:54
kayveis it possible for me to use atomic_dec_and_test(atomic_t* v) in a user program?04:15
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Keybukapw: any particular reason you've not uploaded a new linux-meta for lucid for the -8 ABI?07:12
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ghostcubeapw: startet again without installing anything before and with one day pausing pc10:25
ghostcubecam is dark again10:25
ghostcube:)10:25
ghostcubeso all i can say its a bootup problem like you suggested from the beginning of this strange bug10:25
indushi12:04
indusapw: hello 12:06
tseliotapw: it looks like there's no backlight interface for intel in /sys/class/backlight in karmic (with KMS). Do you know anything about this?13:52
rtgtseliot, apw is on vacation today13:53
tseliotrtg: ah, ok, thanks13:53
Keybukrtg: why no -meta package update?14:09
rtgKeybuk, for the kernel? I suppose 'cause Andy hasn't done it yet.14:09
KeybukI wondered if there was any reason for that14:12
rtgKeybuk, -meta is at 2.6.32.8.8, which references the latest kernel. Andy uploaded it about an hour ago (though he's supposed to be on holiday)14:15
tseliotsmb: did my email convince you?14:18
smbtseliot, It sounded reasonable. I now only try to make up my mind whether the problem is grave enough to justify direct inclusion or I rather try to get it included in one of the next upstream stable releases and get it back from there.14:20
rtgsmb, can you remind me what the ACPI knobs are for controlling C states?15:39
rtgI have a system that resets when it goes idle15:40
smbrtg, might be idle=poll,halt,... 15:40
rtgsmb, isn't there a /proc/ or /sys knob?15:41
smbbut maybe others... not sure about the later stuff I thought it was boot args15:41
rtgsmb, looking in processor_idle.c. it appears to be a module param15:42
smbrtg processor.max_cstate=15:43
rtgsmb, right15:43
smbrtg, At least does not show up in the parameters dir on my system...15:44
rtgsmb, I'm reasonably convinced that this platform resets when it goes into deep C states, or is throttled to P0, both of which imply an ACPI/BIOS problem.15:45
smbrtg, Right, then I'd try either with the max_cstate=2 or idle=halt options on boot15:46
caslgreetings. ubuntu 9.04 x86 32-bit -- after installing 2.6.28-17 last week, i am no longer able to VPN using cisco client (4.8.02); reboot to -16 kernel and i'm back in business. cisco_ipsec module loads OK, no errors, but connection is never negotiated. any suggestions on debugging this would be appreciated.16:35
smbcasl, I am not sure I can help too much, but has the cisco module been recompiled for the new kernel?16:47
caslsmb, thanks. yes. i re-run the cisco installer with each kernel update. has worked OK for last 6+ months. kernel module loads OK. no obvious errors reported. 16:49
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smbcasl, OK, cause the update had some connector callback changes that it needs to pick up. If the module has no debug option... maybe ethereal or was that wireshark nowadays...16:53
caslsmb, thanks! i just realized that there are .o's in the installer directory that did not get rebuilt. going to reboot, make clean & see if that helps16:59
caslsmb, THANK YOU!  "make clean" before the reinstall of the cisco vpn client seems to have picked up the needed changes!17:06
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tseliotsmb: opinions on my last emai?17:07
smbtseliot, maybe. err, if I would read it...17:08
smbtseliot, give me a few minutes17:08
tseliotsmb: ok, thanks17:08
bjaglinhi, i am not sure if this is the right place, but i am having troubles building 2.6.32 under karmic. I am trying to build an unpatched kernel (to start with) from the ubuntu git repostiory, following https://help.ubuntu.com/community/Kernel/Compile. The compilation goes fine if I build latest ubuntu-karmic, but it just hangs always at the same place when trying to build ubuntu-lucid 18:42
bjaglinhttp://pastebin.com/f1530df6718:42
bjaglinis there some requirements on the compiler that Karmic does not fulfill for building this 2.6.32??18:43
hyperairi build my 2.6.32 kernel fine18:43
hyperairs/build/built18:44
bjaglinok.. it's weird, because i don't get any error message, nor CPU usage once it hangs...  Always at: LD      ubuntu/dm-raid4-5/built-in.o - what is so special about it?18:45
logari81Hi, trying to compile the karmic-proposed kernel under pbuilder I get the following error18:59
logari81EE: Previous or current ABI file missing!18:59
logari81what am I missing?19:00
rtgbjaglin, use this page as reference: https://wiki.ubuntu.com/KernelTeam/KernelMaintenance19:06
bjaglinrtg: thanks, i already had a look at it actually, but it looks like I am facing a toolchain problem more than a config problem, since i managed to build 2.6.31 without any problem from the ubuntu git repo19:13
rtgbjaglin, I'm not aware of any toolchain isses wrt building lucid under karmic.19:13
bjaglinrtg: ok. Since it always hangs on the same file when linking, does it make sense to upgrade my binutils/gcc to the packages provided in lucid to exclude any problem there? the changelog for binutils between karmic and lucid does not look really relevant though...19:20
rtgbjaglin, I think that'll just make a mess. I think your best bet is to install a lucid chroot and build within that environment.19:24
bjaglinrtg: i'll try that, thanks19:37
JFohi ogasawara_ I'm ready whenever you are.20:45
ogasawara_JFo: ok cool, I'll call ya in 2min20:47
JFono problem20:47
JFoogasawara_, think I lost you21:27
bjaglinrtg: found my problem, it had nothing to do with the toolchain... fsam7400 was recently moved from misc to its own directory in ubuntu/, and in the Makefile, there is a KERNELSRC=?/lib/modules/`uname -r`/build that was empty for me since I did not have the headers of my current kernel, and freezing the following awk call. isn't it a problem?21:57
bjaglini am a pure newbie with kernel building, and please tell me if i am wrong but i find it strange that `uname -r` is used in a script, since the target kernel might be completely different than the kernel running, no?22:01
bjaglini am referring to http://archives.free.net.ph/message/20091208.182445.ab0091af.en.html22:06
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