/srv/irclogs.ubuntu.com/2008/04/15/#ubuntu-kernel.txt

=== heno is now known as heno_away
jdonghmm bug 86457 seems to have creeped back on Hardy :(01:05
ubotuLaunchpad bug 86457 in linux-source-2.6.20 "(maemo-on-ubuntu) Scratchbox does not work with latest Feisty kernel image" [Medium,Fix released] https://launchpad.net/bugs/8645701:05
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crimsunamitk: has there been movement on the "offer a 'reset' button via gnome-media/mixer_applet2 for sound issues" idea tossed about some months ago?01:29
blueyedHow are hardware specific kernel modules meant to be loaded? There's a autoload block in acpid's init script, but it does not match e.g. drivers/misc/fujitsu-laptop.ko.02:11
blueyedWould be nice, if you could provide a hint at bug 196683. Thanks.02:22
ubotuLaunchpad bug 196683 in linux "fujitsu_laptop not loaded automatically on lifebook p7010" [Undecided,Fix released] https://launchpad.net/bugs/19668302:22
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amitkcrimsun: it will be considered for intrepid, nothing for hardy07:07
krautmoin08:15
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tseliota quick question: which one of these kernels is realtime and/or xen-enabled? 'server', 'openvz', 'virtual'09:53
aboganitseliot: 'rt', 'xen'10:11
tseliotabogani: I would like to know more about the kernel flavours which I mentioned above10:13
alex_jonimight be OT: is there going to be an upgrade path from dapper to hardy?10:14
tseliotabogani: since the nvidia driver and/or the fglrx driver can have problems with rt and xen-enabled kernels10:14
aboganitseliot: not with -rt.10:14
alex_joniabogani: maybe the other way around10:15
alex_joniabogani: having nvidia drivers interfering with -rt10:15
tseliotabogani: nvidia works well with -rt here however I'm not sure about fglrx10:16
aboganitseliot: fglrx should be work too but performance aren't good as like nvidia one.10:17
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pepie34kool madwifi svn trunk seems to work again with -16 kernel build13:20
pepie34(this was not the case with -14 et -15)13:21
pepie34thanks for having corrected this regression13:21
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bigcx2hey all15:47
bigcx2i don't know if this is the appropriate outlet for this15:47
bigcx2but i read the livecd customization guide on the wiki15:48
bigcx2and it says to replace the kernel you just have to build a custom .deb and link it properly15:48
bigcx2it seems like there has to be more to it than this15:49
bigcx2do you have to mess with the udebs or anything like that?15:49
BenCbigcx2: udeb's are for alternate cd install, not livecd15:56
BenCbigcx2: so no15:56
bigcx2ok15:56
bigcx2well i'm trying this in feisty...and i've compiled a stock 2.6.20 kernel with the normal ubuntu live cd config...and i can get it to boot, etc. but it hangs on mounting the root filesystem15:57
bigcx2and then it drops me into a busybox shell15:58
bigcx2i have no clue why it would be failing there15:59
bigcx2i figured i was missing some steps after i read this:16:00
bigcx2http://dsplabs.utt.ro/~juve/blog/index.cgi/0114755923216:00
bigcx2mentions udebs and such16:00
aboganibigcx2: I suppose that you should rebuild lum also16:10
aboganiBenC: Good Morning, Sir.16:11
bigcx2lum?16:11
amitkbigcx2: did you build a initramfs?16:12
bigcx2yes16:12
amitklum=linux-ubuntu-modules - it contains modules that are not yet part of the kernel16:13
bigcx2hm16:13
amitkbigcx2: what error did you get? any missing modules?16:13
BenCabogani: good morning16:14
bigcx2i get up to the splash screen where it says: loading essential drivers [ok]16:15
bigcx2running init-premount [ok]16:15
bigcx2mounting root filesystem   16:15
bigcx2and then it waits for about 10 seconds before dropping the splash screen and spawning a busybox shell16:16
bigcx2i don't understand though -- i'm using squashfs and ext3 and i have both of those compiled in properly16:17
amitkbigcx2: might be better if you remove the "quiet splash" from the kernel command-line to follow what is happening.16:17
amitkbigcx2: squashfs is in LUM16:17
aboganibigcx2: AFAIK Squashfs and unionfs modules are live and kicking in LUM but are required to be in initramfs file for boot livecd.16:19
bigcx2i compiled it with all those ubuntu extras in16:19
bigcx2hm16:20
bigcx2well16:20
bigcx2here's my steps16:20
bigcx2compile default config (no mods) 2.6.2016:20
amitkbigcx2: did you make sure that the initramfs contains squashfs? 'update-initramfs -u -v' will tell you16:21
bigcx2make-kpkg16:21
bigcx2amitk: no, thanks for the tip16:21
bigcx2brb16:22
bigcx2hey! looks like it's not in initrd16:27
bigcx2does that mean i'm missing a make-kpkg option or such?16:29
amitkbigcx2: I don't know how to work with make-kpkg, sorry. I use Ubuntu's built-in build system16:31
johanbrbigcx2: make-kpkg is not a supported method of building Ubuntu kernels anymore. Try https://help.ubuntu.com/community/Kernel/Compile16:38
johanbrShould be okay for 2.6.20, though.16:39
bigcx2mk16:40
bigcx2hey all16:47
bigcx2thanks for your help16:47
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alex_jonihmm, that is an old page.. should have said it's for breezy (it's outdated even for dapper..), but now bigcx2 is gone18:24
rtgsmb_tp: your patch in https://bugs.edge.launchpad.net/ubuntu/+source/linux-ubuntu-modules-2.6.24/+bug/212960/comments/22 is definitely the right thing to do, regardless if it fixes the cx88 bug. Please commit that to the LUM repo.18:47
ubotuLaunchpad bug 212960 in linux-ubuntu-modules-2.6.24 "Hardy: cx88 NULL pointer dereference" [High,In progress] 18:47
smb_tprtg: Ok, I will commit that ASAP18:48
rtgBenC: we need a LUM upload today, before the RC is built.18:48
rtgBenC: perhaps that was more declarative then I intended. I think we need a LUM upload. What do you think?18:50
smb_tprtg: He might be recovering from his trip18:51
rtgsmb_tp: ok, I'll check back later today. If it hasn't been done, then I'll package it up sometime late this afternoon.18:53
smb_tprtg: Ok, I make sure to commit the change to the makefiles18:54
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amitkjayc_: hi, good morning19:46
amitkinuka_desk: good morning19:46
jayc_amitk:Hi19:49
amitkjayc_: do you have any thing else coming in the next 7-10 days?19:51
amitkand is inuka around?19:51
jayc_For kernel I will have to check with China team if they are planning to make any changes19:55
jayc_For now there is just one config change USB_PERSIST which is not yet in out BUILD19:56
jayc_I will check with Alek (PRC) and let you know if he is planning to make any change 19:56
jayc_let me check if Inuka is around, it's lunch time here though19:57
inuka_deskamitk, morning.. sorry wasnt paying attention to irc.19:57
inuka_deskamitk, pushed libdrm...  will push x driver.19:58
amitkjayc_: we already have PERSIST enabled. I am pushing a patch for it later today/tomorrow that will allow classmate to work too.19:58
jayc_cool19:58
amitkinuka_desk: great... i'll push LUM to PPA if we don't upload a new one today.19:59
mo__amitk, ok. any ideas which logs to consider for debugging? maybe an dmesg output after skipping the "loading device drivers" with Ctrl+alt+del !?19:59
amitkmo__: What is the output of 'apt-cache  policy linux-ubuntu-modules-2.6.24-16-generic'20:01
mo__amitk,  Installiert:2.6.24-16.2220:01
amitkjayc_: inuka_desk: anything you guys want in hardy needs to come within this week. After that it will only go to PPA20:02
jayc_amitk: got it :-)20:02
amitkmo__: very strange indeed. smb_tp: mo__ here still sees symptoms similar to those caused by your cx88 patch...20:03
amitkmo__: Could you go to /lib/modules/<kernel ver>/kernel/sound and move soundcore.ko out of the way. See if that fixes your 'hang'20:05
mo__amitk, brb20:06
amitkk20:06
smb_tpamitk: my cx88 patch? you mean the one with the mutex problem? was not from me. but what prooblem lockup during boot?20:07
amitksmb_tp: right.. the same. I meant the one you are looking at..20:12
smb_tpamitk: right. though -16.22 should be without that. Could also be some other hardware. Do we have output without splash and quiet?20:14
alex_jonialt-f1/f2 works early in the boot20:15
amitksmb_tp: he's gone for a reboot after removing soundcore.ko. That'll confirm if it is the same problem or not..20:17
smb_tpamitk: Ok, lets see what happens20:18
mo__amitk, it fixed the hang20:23
amitkmo__: you can restore soundcore.ko now. Are you sure that you see the hang with -16 though?20:28
mo__amitk, yes it occured with -14 and -16, an now i've booted with -16 and it did'nt hang ... but without sound now ... of course!20:31
smb_tpHm, sorry I am not completely up to date. So, it hangs with kernels between -14 and -16 and is related somehow to sound. Now it would be nice to have vm debugging... what sound hardware is there? something beside one soundcard?20:36
mo__amitk, sorry i've been occupied20:53
mo__amitk, any further ideas ?20:53
amitkmo__: smb_tp's questions ^^^20:56
mo__amitk,  ok then, thank you so far20:57
mo__smb_tp, i still got the soundcore.ko problem with the new linux-ubuntu-modules20:57
smb_tpmo__: Sure, I did catch that from your discussion with amit21:00
mo__smb_tp, ok sorry, i didn't see that. Is there any output that might help?21:00
smb_tpmo__: Yes, generally what audio hw is there. More than one card/device? If booted without "quiet" and "splash" is the anything sticking out when the system is hanging21:03
mo__smb_tp, i'v got an pci soundcard (audigy 2) and an onboard via rs780 sound chipset 21:03
mo__smb_tp, i'll try to disable (though i thought it is allready) the onboard card in the bios and report if there is anything during boot without quiet, brb21:05
smb_tpmo__: This or without those both options, maybe the last printed message does give some hint about which card is currently set up21:06
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alex_joniis it "normal" to have tons of "udevd" messages flashing by during boot?21:10
alex_joni(they don't show up in dmesg or syslog)21:10
mo__smb_tp, so: it does hang if the onboard soundcard is DISABLED in bios. It hangs with "loading hardware drivers..."21:21
smb_tpmo__: This generic message comes even if you remove quiet and splash from the grub options line?21:24
smb_tpmo__: There actually two quiets: one single word somewhere and one on a line which specifies the initrd, kernel etc. 21:27
mo__smb_tp, yes yes i know, got some problems with the power supply atm21:29
smb_tpmo__: Sure, take your time21:30
mo__smb_tp, i got some weird output: lot's of "call trace" with snd_pcm registers21:36
smb_tpmo__: That would be interesting. Can you save that and send it to me? Or if a bug report is open attach that?21:37
mo__smb_tp, can i mail a dmesg output to you?21:57
smb_tpmo__: Sure stefan.bader@canonical.com21:57
mo__german?21:58
smb_tpmo__: JanC21:58
smb_tpmo__: Oops command completion21:59
mo__smb_tp, no sorry i just thought stefan bader might me a german name21:59
smb_tpmo__: Ist es auch :)21:59
mo__smb_tp, achso .. ja21:59
mo__smb_tp, so hab dmesg lspci uname und asound outputs angehängt22:10
smb_tpmo__: Ok, danke. Lets see...22:11
mo__smb_tp, ich hab zu danken :-)22:11
mo__smb_tp, er hängt bei 37.813198 , vor dem loop: module loaded22:14
smb_tpmo__: Just so that others (as amit) can understand too: there have been kernel oops involved. And the saa7134 driver. Which is one of those I suspect to have been compiled without the right headers22:18
mo__smb_tp, ok. i do understand exactly nothing at that level :)22:19
smb_tpmo__: Could you try the lum version in my ppa? https://launchpad.net/~stefan-bader-canonical/+archive22:19
mo__smb_tp, sure. just a moment..22:22
amitksmb_tp: interesting...22:32
smb_tpamitk: what?22:33
amitksmb_tp: regarding the saa7134 drivers...22:33
amitknow I am down to a few more git bisects to find our problem child patch that kills classmate suspend :)22:34
mo__smb_tp,  with ur modules, it now really freezes :)22:36
smb_tpmo__: Any dying messages?22:37
mo__smb_tp, yeah just the same ones, at [end trace ....]22:38
mo__smb_tp,  i did not really freeze, its just the same error22:38
smb_tpmo__: Hm, ok. Pity, it just sounds like a good trail. Seems I have to think a bit more.22:40
mo__apt-cache policy linux-ubuntu-modules-2.6.24-16-generic says "Installiert: 2.6.24-16.23ubuntu1" ... so i did correctly instal ur version !?22:40
smb_tpmo__: Sound like it did. Well, I am out of here for a while...22:41
=== smb_tp is now known as smb_away
mo__smb_tp, ok. strange :-) thank u bb22:42
mo__if i should test smth, mo@uberhost.de22:43
greearbHello.  Anyone know how to create udebs for a standard kernel.org kernel using Ubuntu 7.10 or 8.04-beta?23:29
greearbI'm trying to remaster a live cd with a modified kernel and having no luck figuring out the udebs portion...23:29
alex_jonigreearb: you working on an alternate install cd?23:30
greearbyes23:30
alex_joniI have some older info.. maybe it helps: http://dsplabs.cs.utt.ro/~juve/blog/index.cgi/0114755923223:30
alex_joni(I used that back on breezy, when the default cd had udebs too..)23:31
greearbheh, found that already..but it seems linux-kernel-di-* doesn't work on the latest ubuntu23:31
greearbsomeone said the udebs were built automatically when the kernel is built..but I surely can't figure out how and can't find them anywhere when I build with make-kpkg23:32
alex_joniwell.. that depends how you build it23:33
alex_joniif you build it with make-kpkg, you won't get udebs23:33
alex_joniif you build it using debian/rules then you can get them23:33
greearbahhh, how to build it then?23:33
alex_jonibut for that you need to start with the ubuntu kernel source23:34
alex_joniapt-get source linux-source-..23:34
greearbok, I can try that23:34
alex_joni(or grab it from git..)23:34
alex_jonigreearb: it's past 1am here.. I won't be around long..23:34
greearbno problem23:34
alex_jonigood luck though ;)23:35
greearblet me reboot back into 7.10, I had already backported my changes to their 2.6.22 kernel23:35
alex_joniI used a custom flavour for the stuff I did23:35
greearbyou wrote that blog?23:35
alex_jonithat way I don't collide with ubuntu version numbers & all23:35
alex_jonigreearb: yeah, a while ago :)23:35
greearbok, ignore my email if it ever gets to you..I tried to bother you earlier today :)23:36
alex_joniok, I will23:36
alex_joniseems it was in 2006 when I wrote that23:36
greearbdo you happen to know if I need any arguments to the debian/rules command ?23:37
alex_joniyeah, you surely do23:38
alex_joniI used: DEB_BUILD_OPTIONS=parallel=2 NOEXTRAS=1 fakeroot debian/rules custom-binary-rtai23:39
alex_joni(because I only wanted the custom flavour I added, called rtai, and only the binary package)23:40
alex_jonibut you probably want: ... debian/rules binary-udebs23:40
greearbno rule to make that target23:41
alex_joniwhich one?23:41
greearbbinary-udebs or binary-udeb23:42
alex_jonigreearb: look in debian/rules, over here it includes debian/rules.d/5-udebs.mk23:43
alex_joniyou maybe want to create debian/control first..23:43
greearbwhat version of kernel source?  there is a debian/ruleset/ dir in my .22 kernel23:44
alex_jonihmm.. I'm looking at .24 (from hardy)23:44
greearbok, I can forward port if needed, let me reboot back into hardy23:45
greearbit's surely easier to port kernel code than figure out how to build live-cds :)23:46
greearbhrm, nothing at all in the debian/ dir after 'apt-get install linux-source' and tar -xvjf ...23:56
alex_joniI said apt-get source linux-source23:59
alex_joninot apt-get install linux-source23:59

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