/srv/irclogs.ubuntu.com/2010/04/21/#ubuntu-kernel.txt

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AStachowskiHello guys. Could anyone point me in the right direction when it comes to build a recent Lucid kernel for my ppa? I tried it with debuild -S, -S -sd and -S -sa. But none of these seem to work. Is there a special script I need to prepare it?14:53
tgardnerAStachowski, have you read https://wiki.ubuntu.com/KernelTeam/KernelMaintenance ?14:56
AStachowskiI think I've forgotten that part if it is necessary: dpkg-buildpackage -S -rfakeroot -I.git -I.gitignore -i'\.git.*' -sa14:58
AStachowskiThough I thought it was only necessary for git pulled releases.14:59
AStachowskiI think I already read https://wiki.ubuntu.com/KernelTeam/KernelMaintenance and thought it would only apply to GIT. Guess I'll try it this evening. ;)15:02
JFoAStachowski, how did you get your source?15:03
JFodid you not use git to pull it?15:03
AStachowskinope15:04
AStachowskiI got it by apt-get source linux-image-$(uname -r)15:04
AStachowskiif git pull is the way to go I don't mind, too.15:05
JFoah, I see15:05
JFoAStachowski, whatever works for you15:06
JFobut I think I see a need for another set of instructions for folks wanting to pull from there15:06
* JFo adds a note to his 'wiki improvements' doc15:06
AStachowski;D15:07
* peterz fixed /sbin/installkernel and uses make install form the kernel tree ;-)15:07
peterzall this package nonsense is just that ;-)15:08
JFo:-)15:08
AStachowskiI thought I'd finally give something back to the community by building a subflavor of linux-image-generic for SCST -> SRP Target for the Infiniband folks.15:08
JFoAStachowski, a noble gesture ;)15:09
persiaAre drivers for that not generally available, or just not built-ins?15:09
AStachowskiInfiniband sadly is a bit more complicated than that.15:09
amitkpeterz: don't we all wish that all users could compile their own kernels :)15:10
AStachowskithere is a standard target daemon in alls linux distros but it genuinely sucks when it comes to larger setups.15:10
JFoamitk, I don't :-D15:10
* JFo looks at the bug volume as it is15:11
AStachowskitoo many cooks spoil...you know the deal ;)15:11
JFoyep15:11
JFogreat minds AStachowski 15:11
MTecknologyI thoguht apparmor was in the mainline kernel now15:35
aboganipeterz: What is the fix for /sbin/installkernel?15:36
peterzabogani: add to the tail: mkinitramfs -o /tmp/initrd.img ${ver}; updatever initrd.img /tmp/initrd.img; update-grub15:37
peterzsometimes I need to hack update-grub too, depending on the crazy ass ideas it gets15:38
achiangpeterz: nice. i figured out that i could issue a 'make deb-pkg' from kernel directory, install the deb, and then issue a mkinitramfs, but your way seems much nicer15:39
peterzachiang: make sure to do 'make INSTALL_MOD_STRIP=1 modules_install' if you use modules 15:42
peterzbecause for some reason mkinitramfs doesn't strip the modules15:42
peterzand you end up with a 100M+ initrd15:42
peterzof course the sane thing to do is not use modules :-)15:43
MTecknologypeterz: That REALLY hard to do sometimes though15:43
peterzMTecknology: nah, just don't do silly things like use lvm/crypto/raid root paritions15:44
* MTecknology grumbles at one particular module15:44
MTecknologypeterz: I need moduel support for vbox but having module support forces another config to be module instead of built-in15:45
achiangpeterz: eh?15:45
achiangachiang@aspen:/boot$ ls -l initrd*34-rc5* | awk '{print $5}'15:45
achiang338192615:45
MTecknology34 hates my computer it seems15:46
achiangpeterz: hm, maybe part of the make deb-pkg magic strips the modules for me, since i don't issue make modules_install directly15:46
peterzMTecknology: ah, out of tree stuff, I don't acknowledge the existance of such15:46
peterzachiang: yeah, I figure it would, also you of course need to start out with CONFIG_DEBUG_INFO=y15:47
achiangpeterz: heh. achiang@aspen:~/kernels/linux-2.6$ grep DEBUG_INFO .config15:48
achiang# CONFIG_DEBUG_INFO is not set15:48
MTecknologypeterz: that would be awesome if they could have their modules in there15:49
peterzMTecknology: not a chance, the code is alike waaaay ugleh15:49
MTecknologyprobably15:50
cndpeterz: sorry about the kernel-team list bounces15:55
cndI think we've got that taken care of, so it shouldn't happen in the future15:56
peterzcnd: awesome15:56
cndpeterz: btw, any more thoughts on the ILB load avg implementation?15:56
peterzcnd: right, so the reason I wante dto share infrastructure with the ILB is because people were looking at making the ILB scale better and its all about NOHZ muck, so it seemed like a nice fit15:57
cndahh, ok15:57
peterzcnd: just need to get a spare cycle to sort through all the details, hopefully somewhere later this week15:57
cndpeterz: ok, thanks15:58
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osmosisrunning fresh lucid daily build, I get random lockups. Can't drop to a terminal or anything.21:19
osmosisIm getting an hard freeze on two different laptops. one with 64, other x86. Both running fresh installs of lucid daily builds.22:01
bjfosmosis, please file a _new_ bug against the issue22:05
osmosisbjf, im not sure how to gather any info about the cause of the lockups.22:06
bjfosmosis, will it stay up long enought to run ubuntu-bug on it?22:07
osmosisbjf, cursor stops moving and spinning.  CTRL-ALT-F1 for a terminal doesnt work either.22:07
bjfosmosis, had you been running a previous daily build?22:07
osmosisbjf, i had beta2 installed briefly, but did a full format clean install of lucid daily build yesterday.22:09
osmosisbjf, i thought maybe the crash was hardware specific...but I installed on two separate laptops and they both are getting the same issue. And they are very different hardware.22:09
bjfosmosis, what graphics do the two systems have?22:11
bjfosmosis, was beta2 running ok?22:12
osmosisbjf, both are ati ...thought different models.22:15
osmosisbjf, ATI Radeon Express 200  and   ATI Mobility Radeon HD 467022:17
bjfosmosis, have you tried booting without "quiet" or "splash" on the kernel boot line?22:17
osmosisbjf, machines come up and are usable. The crash is a randomly triggered lockup...occurring on average every hour or two.22:18
bjfosmosis, then they are up long enough to run ubuntu-bug on and capture the hardware information22:19
bjfosmosis, ubuntu-bug will capture everything you need22:19
osmosisbjf, ok22:20
bjfosmosis, do two separate bugs, one for each system and then let me know the bug numbers22:22
bjfosmosis, thanks22:22
cndosmosis: you might want to try booting with "pci=nomsi" on the kernel command line22:30
cndthat has fixed some ATI instabilities, and we can add quirks in the kernel for your motherboard if it helps22:30
anotengWhere can I find a detailed list of changes between ubuntu kernels? I'm trying to locate the source of a bug..22:31
osmosisbjf, here is one, https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/56810322:50
ubot3Malone bug 568103 in xorg "Xorg freeze lucid daily build ATI Mobility Radeon HD 4670" [Undecided,New] 22:50
bjfosmosis, did you see the comment from cnd about booting with "pci=nomsi" ?22:53
osmosisbjf, yah22:54
bjfosmosis, that would be good to try22:54
osmosisbjf, cnd: im gonna see if i can get the crash to occur a couple more times first.22:54
osmosisbjf, here is the second, https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/56811123:00
ubot3Malone bug 568111 in xorg "Xorg freeze dell vostro 1000 lucid daily build ATI Radeon Xpress 200" [Undecided,New] 23:00
bjfosmosis, thanks for those23:00
osmosisbjf, was previously on karmic with no such issue.23:01
osmosison both laptops23:01
bjfosmosis, lots of changes to graphics drivers this round23:01
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