/srv/irclogs.ubuntu.com/2010/08/10/#ubuntu-kernel.txt

=== bjf is now known as bjf[afk]
ogasawarasquarebracket: which release?  Also, what is missing from the currently provided driver that would require it be repackaged in lbm?00:24
squarebracketthe latest kernel module (which supports more/newer devices)00:25
squarebracketogasawara, what do you mean which release? like, lucid, maverick, etc? 00:26
ogasawarasquarebracket: right00:26
squarebracketogasawara, well 2.6.35 has the latest code, so maverick doesn't need it yet (but it will, i'm sure)00:27
squarebracketeverything earlier does00:27
ogasawarasquarebracket: it's best to open a bug then and provide the justification for needing it.00:27
squarebracketogasawara, there is one00:27
squarebracketogasawara, let me find, one sec.00:28
squarebrackethttps://bugs.launchpad.net/ubuntu/+source/linux-backports-modules-2.6.35/+bug/60627800:28
ubot2Ubuntu bug 606278 in linux-backports-modules-2.6.35 (Ubuntu) "Add linux-backports-modules-input (affects: 6) (dups: 1) (heat: 218)" [Undecided,New]00:28
squarebracketoops, didn't know that would trigger a bot00:29
squarebracketogasawara, without providing a lbm module, one has to compile the kernel module from the linuxwacom source (i was doing this for a while)00:30
squarebracketogasawara, each and every there is a kernel update, i mean.00:31
RAOFsquarebracket: There's a dkms-based source package on revu which I shall look at today.  That may be better than an l-b-m, particularly since it's not actually a backport.00:33
squarebracketRAOF, yeah, i know of said package. i believe it builds from the source on the linuxwacom sf site. someone suggested an lbm, which kinda made sense, but i can't say i actually know what constitutes a backport00:36
squarebracketRAOF, really, anything will work, so long as the end user doesn't notice :) thanks for taking a look00:38
squarebracketogasawara, thank you :)00:44
* apw yawns08:50
RAOFapw: Have you seen the async-setup-outputs intel patch on dri-devel?  It might be interesting if we want to shave off more boot time.08:52
apwRAOF, as in each one in parallel?08:54
apw(no not seen it btw, and yes it sounds intresting)08:54
RAOFhttp://article.gmane.org/gmane.comp.video.dri.devel/4868908:55
RAOFAs in: move all the probing, output setup, and fb creation to a thread, and not block the boot doing it.08:55
smbHm, I wonder whether this might cause problems when starting slpash screens while the drm fb might be not ready...08:57
apwRAOF, ok, if you look at the patch it simply moves the connector setup async en-block, as a single threaded init08:57
apwso in fact its as async as it is now, as we load it as a module which is probed async anyhow by udev08:58
apwsmb, and as its async already we already have the issue, which is why i had to patch all that crap in fb and drm08:58
RAOFAh, the magical intricacies of the kernel.08:58
apwthats only useful if the driver is built-in08:59
apwnow if it probed all the connectors in parallel that might make sense either way, but its too small to be changing that08:59
smbapw, sort of similar, though I think in your case there is something already there or half there and causes problems. On some slower machines I already saw cases where drm fb is not even half there. Causing vga16fb to be in use one the way up and drm fb on the way down. Not as annoying and critical as the stuff you had to cope with but strange to a user09:01
apwsmb, cirtanly it is easy to end up initialising vesafb, and then drmfb, and we don't handle that well at all right now at the plymouth level09:02
smbRight, but it only looks odd but goes on and does not crash or hang the whole process as in the other case.09:03
=== cking__ is now known as cking1
smbcking1, If you want to shout at us you need to turn up the volume. )09:05
cking1just done it09:05
apwcnd, you are a per-package uploader for firmware right ... that should mean you are already an unbuntu member ... if not its broke, you shouldn't have to apply10:05
apwcnd, you can tell if you go to this page: https://edge.launchpad.net/~ubuntumembers10:06
apwfor me it shows my membership via my upload rights10:06
cndapw, nope10:07
cndaccording to sabdfl, ppu doesn't make you a member :)10:07
apwhrm, it makes you an ubuntu developer, which should as far as i know10:08
cndand I'm not a member of the launchpad teams that I should be if I were a member10:08
apwme feeling is that that is broken, i would cirtianly ask someone like cjwatson if its true10:08
cndnot a bad idea10:08
cndI'll ping him10:08
apwas you have interviewed enough to get upload rights but not enough to be a member, seems wrong, and contrary to what i was told10:08
cndyeah, it's just one of those things where you can't tell sabdfl he's wrong when he's two feet in front you :)10:10
cndeven if that's the case10:10
cndwhich is a bad idea when you don't really know10:11
apwcnd, indeed not :)  ... cjwatson or perhaps pitti would know for sure10:17
apwlag, you need to fill out your application ... its all empty still, bad lag10:17
lagapw: I'm not ready10:17
lagI've only been here 3.5 months :(10:18
apw'course you are, just fill it in ...  most of its boiler plate10:18
lagOkay, when I have a moment10:18
apwit'll be 6 months before long, and a month before the end you need it on the list so you get done at 6m, and ... you made me put something in ... so you have to :)10:18
apwlag but my advice overall for any of this is to keep that top level page up every couple of weeks10:20
apwas when you come to fill in what you've done you can never remember what you did 10:20
lagYou only just did that!10:21
lag:)10:22
lagapw: A little better?10:43
apwa little i guess ...10:44
* apw sulks10:44
tjaaltonsmb: does the writeback regression also affect nfs? certainly seems so here10:49
smbtjaalton, Could well be10:50
tjaaltoni've got 100 nfs4 mounts and unmounting them takes several minutes10:50
tjaaltoniirc .35 felt better10:51
smbIf you are able to experiment, there are test kernels referenced in the bug report. Only bad thing there is that I cheated a bit with abi numbers. So server should be ok, but desktops don't work that well10:51
smbBut yes, the symptom would be what you describe10:52
smbAnd as it is a generic problem on writeback every fs hits the same issue10:52
tjaaltonok, I might be able to test it later10:52
smbMaybe this also gets accepted for the next larger proposed upload. So it would show up in pre-proposed10:53
smbsoonish10:53
apw                /* Ordinary console input and output */10:54
apw                fd = open (CONSOLE, O_RDWR | O_NOCTTY);10:54
apw                if (fd < 0)10:54
apw                        nih_return_system_error (-1);10:54
smbnot a very elaborate error handling10:54
smbgiven there are a few conditions that are retryable and should be10:55
tjaaltonnow that nfs4 shares are umounted, dpkg unpack is a lot faster10:55
apw        /* Copy to standard output and standard error */10:55
apw        while (dup (fd) < 2)10:55
apw                ;10:55
apwwhat if dup fails10:55
cking_owch10:55
smbdup a while... dup forever...10:56
=== yofel_ is now known as yofel
apw * No longer holds /dev/console open, so the SAK SysRq key will not11:14
apw   kill Upstart. (Bug: #486005)11:14
cndapw, according to: https://wiki.ubuntu.com/UbuntuDevelopers11:17
cndPPUs "are implicitly considered Ubuntu Members"11:18
cndso it sounds like I don't need to go through the process11:18
cndI'm still gathering info in #ubuntu-devel though11:18
apwcnd, talk to whoever added your rights, likely cjwatson, he probabally missed something11:32
boulabiar_hi12:21
boulabiar_since i have upgraded to maverick with the .6.35 (2.6.35-14) I am facing serious problems with gfx card. how to detect if this is caused by KMS bug ?12:24
boulabiar_I have no more gfx, and when booting to .6.32 kernel, I have gfx (X running) but without mouse/touchpad input12:24
boulabiar_so it seems to me something caused by a kernel kms bug, I have ATI 320012:25
boulabiarI have this error when booting http://pastie.org/108366012:54
boulabiarkernel .6.35-14 ATI 3200 card, 12:55
apwboulabiar, and does it affect operations?13:12
boulabiarapw, I have no more graphics13:36
apwboulabiar, if you have previous kernels please boot back into those and confirm exactly where this regression occurs13:55
apwboulabiar, and file a bug with ubuntu-bug linux and include all that information13:56
boulabiarapw, I have only tested with 2.6.3213:56
boulabiarI got X running, but with only keyboard input13:56
boulabiarapw, is there some ppa for precompiled kernels to not lose time compiling them ?13:57
apwthe previous kernels are all available from launchpad13:59
apwhttps://www.launchpad.net/ubuntu/+source/linux13:59
boulabiarapw, if you speak about the 2.6.32 of Lucid, then graphics works with it, I'll test something else14:21
apwboulabiar, ok so lucid kernle is ok, if you could try the older maverick 2.6.35 kernels that would be instructive14:22
* apw goes to investigate some new kit14:29
TeTeTthere was a way to set a timer to wake up a system from suspend, can anyone help me out where to echo it?14:51
amitkTeTeT: /sys/class/rtc/rtc0/wakealarm14:55
amitkTeTeT: download cking's scripts git tree to get a nice shell script to do this14:55
cking_TeTeT, http://kernel.ubuntu.com/git?p=cking/scripts/.git;a=commit;h=3577ea60c525f4e3d91b2f7afa009fa68e4a6ff814:56
TeTeTcking_ + amitk : thanks, glad I don't need to re-invent the wheel :)14:58
cking_:-)14:58
TeTeTweird, the system does not resume completely, it half wakes up, disk is spinning up, but screen stays black, then goes to sleep again15:12
=== amitk is now known as amitk-afk
bjf##16:20
bjf## Ubuntu Kernel Team Meeting - Today @ 17:00 UTC - #ubuntu-meeting16:20
bjf##      agenda: https://wiki.ubuntu.com/KernelTeam/Meeting16:20
bjf##16:20
smbbjf, One thing I forgot over all the other stuff, is there a current branch for the mvl-dove pull request in Lucid that i can review?16:32
bjfsmb, yes, there is one in my tree on zinc16:32
bjfsmb, let me dbl check the branch name for that16:32
smbOk, thanks, then I have a look there in a min16:32
bjfsmb, it is mvl-dove-5.3.216:33
smback16:33
robbiewapw: thanks for helping out with bug 554172...it has a large peanut gallery of subscribers :/16:34
ubot2Launchpad bug 554172 in linux (Ubuntu Maverick) (and 2 other projects) "system services not starting at boot (affects: 187) (dups: 15) (heat: 824)" [High,Confirmed] https://launchpad.net/bugs/55417216:35
bjf##16:58
bjf## Kernel team meeting in one hour16:58
bjf##16:58
bjfjjohansen, will you be attending the meeting today?17:21
jjohansenbjf: no, I'm working on a status email for you17:22
bjfjjohansen, cool, thanks17:23
=== maks is now known as maks_
bdrungwhat's ubuntu's position for xen? can someone have a look at the sponsor request for xen (bug #378240)?17:38
ubot2Launchpad bug 378240 in xen-3.3 (Ubuntu) "Please merge xen-3.4 (3.4.0-2) from debian unstable (affects: 3) (heat: 33)" [Wishlist,Confirmed] https://launchpad.net/bugs/37824017:38
bjf##18:00
bjf## Meeting starting now - #ubuntu-meeting18:00
bjf##      agenda: https://wiki.ubuntu.com/KernelTeam/Meeting18:00
bjf##18:00
JFocalendar item should be visible now18:20
JFoapw, want to room for UDS or are you tired of me? :)18:21
apwJFo, works for me18:21
JFocool18:21
JFoI'll drop the details here then https://wiki.canonical.com/UbuntuPlatform/UDS/N18:21
smbReminds me to add things as well. cking_ you are up for the usual teaming, too?18:22
cking_smb, indeedy, works well for me18:23
=== bjf changed the topic of #ubuntu-kernel to: Home: https://wiki.ubuntu.com/Kernel/ || Maverick Kernel Version: 2.6.35 || Ubuntu Kernel Team Meeting - August-17 - 17:00 UTC || If you have a question just ask, and do wait around for an answer!
* apw gives up for the day20:05
pgranertgardner: ping21:44
tgardnerpgraner, yo21:46
mdgeorgehello21:56
mdgeorgeI'm trying to rebuild one of the kernel packages as a first step in building a patched kernel package21:56
mdgeorgecan anyone help?21:56
lag_tgardner: Are you about?21:57
tgardnerlag, yep21:57
lag_tgardner: Any chance in having update-initramfs installed on the Orange please?21:58
lag_tgardner: Arm chroot 21:58
tgardnerlag, in the ARM schroot, right?21:59
mdgeorgeI tried make-kpkg --initrd  ... kernel_image kernel_headers and ended up with .debs, but when I installed them I couldn't boot21:59
lag_tgardner: Yep21:59
mdgeorgeso I'm confused about what I did differently from how the linux-image packages in apt are built21:59
tgardnerlag, lucid or maverick or both ?22:00
lag_I'll be using it on Maverick22:00
lag_tgardner: I guess it couldn't hurt to have it on both?22:00
tgardnerlag, yeah, I'll add it to the schroot scripts as well22:01
lag_tgardner: Would it be too much trouble to put it on Diamond and Roofer?22:01
lag_Will that add it to the other ones?22:01
tgardnerlag, that depends. its probably not a bad package to have in all lucid/maverick schroots22:02
doorsmdgeorge: looks like not much help here... which is a shame.22:02
lag_tgardner: Quite22:03
mdgeorgedoors: actually, I followed the link in the topic, and it looks promising22:03
tgardnerlag, hmm, its already installed in both schroots. what makes you think it wasn't?22:03
lag_tgardner: It's okay if we're testing random kernels, but I need to test them with the daily builds and hence need to make my own initramfs'22:04
lag_Really?22:04
lag_Hang on22:04
tgardnerlag, would I lie to you?22:04
JFoheh22:05
lag_I can't see it22:05
lag_update-alternatives  update-language      update-updmap22:05
lag_update-fmtutil       update-language-dat  22:05
lag_update-fontlang      update-language-def  22:05
tgardner(maverick-armel)root@tangerine:/home/rtg# dpkg -l|grep initramfs-tools22:05
tgardnerii  initramfs-tools                   0.97.2ubuntu1                tools for generating an initramfs22:05
tgardnerii  initramfs-tools-bin               0.97.2ubuntu1                binaries used by initramfs-tools22:05
tgardner(maverick-armel)root@tangerine:/home/rtg# dpkg -S /usr/sbin/update-initramfs22:06
tgardnerinitramfs-tools: /usr/sbin/update-initramfs22:06
lag_/usr/sbin isn't in my $PATH22:07
lag_Doh!22:07
lag_Is it in yours?22:08
lag_"which update-initramfs" ?22:08
tgardnerlag, normally, but remember that tangerine has a strange account setup. Maybe you need your .bashrc from zinc22:08
lag_I'll put it in manually22:09
lag_tgardner: Sorry to waste your time :)22:09
tgardnerlag, nah, this is really my fault. I should have corrected the account setup from the get go.22:09
lag_np22:10
lag_I'll sort it out tomorrow (it's late here)22:10
tgardnerlag, yeah, back to the pub ....22:10
lag_Quite :)22:10
* lag_ leaves22:10
Keybukyay conference wireless22:24
apwKeybuk, heh it won't last ... never does22:29
Keybukapw: if I keep believing that, it might22:30
apwKeybuk, /me radiates positive thoughts towards the wireless22:30
Keybukstop radiating!22:30
apwheh22:31
Keybukso, tangentically22:39
KeybukI did some more digging22:39
Keybukand it looks like there are situations where an open() can return -EIO ;-)22:39
Keybukif you have a journalled filesystem22:39
Keybukand there's a physical I/O error22:39
Keybukso going into an infinite loop on EIO seems like a REALLY BAD IDEA22:39

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