/srv/irclogs.ubuntu.com/2009/09/10/#ubuntu-kernel.txt

mdomschsuperm1, around?05:06
superm1mdomsch, yeah05:15
superm1whats up?05:15
mdomschnothing major, just noting the last dkms commit wasn't quite complete; you need to update Makefile too, as that's what's generating .orig.tar.gz05:16
mdomsch(I think)05:16
superm1mdomsch, you mean http://linux.dell.com/git/?p=dkms.git;a=blobdiff;f=Makefile;h=68d1ba0c000da1ac3a1fc5ecdee2ddf3e43079e9;hp=6f082bc43115d2c5765d9b20a3cf0102c0364dd3;hb=055aa92dd408938e284c7559fb0b3691f68b124a;hpb=d6b4e7f6199b741e7d236195dedb1095d76088e2 ?05:17
mdomschno. the permalink is still named .orig.tar.gz05:18
mdomschbut the git commit says it's not .orig05:18
superm1oh both are being generated actually05:19
superm1they should realistically be symlinks of one another, but that's a build bug05:19
mdomschah.05:19
mdomschthe .orig is the only one in the permalink/ dir05:20
superm1nope, they're both there05:20
superm1http://linux.dell.com/dkms/permalink/dkms-2.1.0.1.tar.gz05:20
mdomschugh; sure enough.  bad eyes.05:20
mdomschdashes and underscores05:21
superm1yeah, it's easy to miss05:21
mdomschsorry for the noise then05:21
=== hzhang__ is now known as panda|phenom
cooloney_ericm_, can access the kernel team page on wiki.ubuntu.com?08:00
ericm_cooloney_, wait08:04
mvohas anyone had a hang on "pci 000:00:00.0: Found enabled HT MSI Mapping" on a amd64 at boot? I get this regularly (the line is repeated 10 times08:10
ericm_cooloney_, I can access the page08:11
cooloney_ericm_, thanks, i can now, it is very slow08:16
Kanohi, when will the tree be rebased on .31 final?09:13
ograbefore kernel freeze :P09:24
Kanoi am waiting for it09:24
apwKano, when its tested as always !09:25
ograso wait a little more then ... 09:25
Kanoapw: i tested vanilla kernel, it fixes my intel problems09:25
apwwhat intel problems you seeing?  09:25
Kanowithout kms it crashed on vt switch or X shutdown. well in the kernel log it is shown as suspend fix, as this was triggered then too even when kms was used09:26
Kanojust before the .31 release09:26
ograwhats the bug # ?09:27
Kanoogra: i use a slightly different kernel config with those KMS entries not set09:27
apwKano, ahh gpu hangs on suspend/resume perhaps?09:27
Kanohttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e6890f6f3dc2d9024a08b1a149d9bd5208eea35009:28
apwthat could well be my 'gpu hang' on attempting to suspend then09:29
=== Ng_ is now known as Ng
cooloney_apw, if a config option depends on CONFIG_BROKEN, does that mean the config option is broken?09:37
apwit means that they don't believe that that support works yes09:37
cooloney_apw, if i want to enable that config option, where can i enable CONFIG_BROKEN firstly?09:38
apwi don't think you can, i think you'd have to patch it to not have that09:38
cooloney_apw, yeah, thanks, i did the dirty things just remove the dependence of BROKEN. and build the kernel for some testing09:39
apwyeah pretty sure you'd not want to turn on BROKEN it would likely turn on a lot of stuff09:40
cooloney_apw, for boardcom BCM4312 wifi device, i found we have 2 drivers09:42
cooloney_apw, one is open source b43 driver but it needs to enable to support low power phy on my platform09:43
cooloney_apw, and the other is BCM STA driver which is close source, it also has some problem.09:44
cooloney_apw, do you know which is more popular? i don't think I can debug the STA driver 09:44
apwyeah have no idea.   a problem indeed.  the open source one is easier to fix clearly as we can see it09:46
apwbut BROKEN is not encouraging09:46
Kanocooloney_: many kanotix users use the sta with a little dkms script09:46
Kanopatched to work up to .31 using gentoo patches09:46
Kanocooloney_: http://kanotix.com/files/fix/dkms/broadcom-wl-dkms.sh09:47
cooloney_Kano, thanks, since i have 2 candidate to test, I will try the b43 driver firstly. 09:47
Kanotry if you like09:47
cooloney_Kano, thanks a lot09:47
cooloney_Kano, i will try that09:47
Kanowell the wl driver is needed for some devices which are not supported by the other one09:47
rtgapw, did you get a chance to repro the suspend failure with -10 on your mini-10?13:12
apwseems to work on my -10 ...13:12
rtgdrat13:12
apwrtg though i think i know which fix fixes the issue, and i think its in linus v2.6.3113:12
apwam test building the rebase now, its so minor its not even an abi bump13:13
rtgare all of the suspend failure machines based on Intel graphics?13:13
apwi cannot tell as yet, i have asked in the bug13:13
rtgapw, ok, thanks.13:13
apwshould have a kernel for testing pretty soon, and if i've done it right ready to upload too13:14
apwrtg i presume our .orig files are simply linus' tarball from www.kernel.org13:14
rtgapw, yep13:15
apwcool13:15
apwrtg, can i confirm that the virtual image should be happy with grub-pc as a bootloader same as all the other images13:17
apwseems it got missed in the conversion13:17
rtgapw, I think we should ask zul13:20
apwrtg damn he isn't about, and its in my tree rght now... hrm to pull it or not to pull it13:36
Kanoapw: when do you commit the new kernel?13:38
apwlikely today sometime ...13:39
Kanowill you add ati r600 kms/3d patches later13:39
apwnot sure we know as yet what if any ati patches we need13:40
Kanowell in #radeon they told me tomorrow or so they will update em again13:41
Kanofor fedora13:41
Kanoairlied of course13:42
apwindeed so13:42
apwi rely on our X peeps for guidance on that side13:42
Kanohttps://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/39203913:43
ubot3Malone bug 392039 in fglrx-installer "initramfs scripts hard-coded to load i915; blocks loading fglrx" [Undecided,Confirmed] 13:43
Kanohttps://bugs.launchpad.net/ubuntu/+source/linux/+bug/38013813:43
ubot3Malone bug 380138 in linux "Do NOT disable HPA by default -> leads to data loss" [Medium,In progress] 13:43
Kanowhats the status on that13:43
apwwhy would loading i915 block loading of fglrx13:44
apwregardless of it being stupid13:44
Kanowell older drivers are blocked, not that 9.10 driver, but olders are13:44
Kanobasically you could check for the /sys entry for drm if kms is used13:45
apwas far as i know that is being worked on13:46
apwi think its completely redundant13:46
Kanoyes, the modprobe too because thats a think of udev13:46
Kanoudev loads it anyway13:46
Kanowhy was the hpa setting not reverted? if it is stored in the hd you just have to tell the ppl to use hdparm13:49
Kanothe -N option can set it temporary or permanently13:50
Kanoif you use -N pSECTORCOUNT then it is permanent13:50
Kanoif somebody has a 32 gbyte limit he should  just check the jumpers on the hd13:51
Kanoabsolutely pointless to remove hpa by default13:51
Kano max sectors   = 1953525168/1953525168, HPA is disabled13:52
Kanowhen you check with -N13:52
Kanoand then set a lower number than the max then HPA is enabled13:52
Kanomaybe add a little wiki page and point those few users to that13:53
Kanofor all others it is critical to remove it as they could overwrite data which is overwritten by the bios13:53
Kanoand especially raid systems will fail when it is removed till full poweroff13:54
apwwe decided on a hybrid approach, but its not yet there, slipped thorugh the net14:01
apwrtg, ok the general feeling on #u-server is that grub2 is completely reasonable addition...14:04
apwKano, the initrd stuff is ongoing, still on target for karmic14:17
Kanoyou dont need  hybrid appoach, just teach your users how to get rid of hpa14:25
rtgapw, looks good so far as I can tell. upload it14:32
apwack14:32
apwrtg, do we announce non-abi bumping uploads?14:35
rtgapw, not normally, but you could still announce that this is the last rebase, blah, blah...14:35
apwfair point will do14:36
=== zul_ is now known as zul
jjohansentime for the UEC/EC2 kernel status update16:01
rtgjjohansen, what do we know since yesterday?16:01
jjohansenwe have some testing from a couple users16:01
jjohansenEric Hammond is one of them16:02
jjohansenI repushed the aki, and ari's last night with more descriptive image names16:02
jjohansenas Eric suggested16:02
rtghas he had any success or failures?16:03
jjohansenyes, the kernel has been reported as booting16:03
jjohansenthere have been failures with modules, but that is expected as the ppa needs to be installed to get the new modules for the kernel16:04
rtghow about runtime stress? there are huge changes in the VM core for Xen wrt 2.6.3116:04
jjohansenThere has not been any run time stress testing that I am aware of yet.16:05
rtgjjohansen, so what does Eric need from us in order to facilitate his test efforts?16:05
jjohansenHe has asked for more descriptive AKI, ARI names (done)16:06
jjohansenand PPA so he can install modules16:06
jjohansenboth are available16:06
rtgjjohansen, assuming the ec2 source package gets uploaded soon, then he can likely use that?16:07
jjohansenyes16:07
rtgfrom the main archive, I mean16:07
jjohansenright, he just needs a source for modules16:07
rtgok, anything else worthy of note?16:07
jjohansennot that I am aware of16:08
rtgjjohansen, maybe we should be having this on #ubuntu-server 'cause there are more folks in that channel that might care about ec216:08
jjohansenrtg: I will run that past smoser, zul and if they agree post out a mail16:09
rtgjjohansen, good, meeting adjourned?16:09
jjohansenyes, I think so16:10
* smoser reads backscroll16:10
smosersoryr i wasn't here earlier, i mistook GMT and UTC16:11
jjohansensmoser: you agree with moving this little meeting to #ubuntu-server16:11
smosersure16:12
jjohansensmoser: heh, sorry my bad should have sent out as UTC16:12
smoserso, above you brought up 2 things16:12
jjohansensmoser: would an hour later be better for you16:12
smoseri say move to #server tomorrow16:12
smoserdoesn't matter this is fine. just didn't translate.16:12
smoseranyway16:12
smoserso 2 things16:13
smoser1. modules16:13
smoserthe one issue that people had there was with CONFIG_LOOP=m. it is solvable, and i posted how to solve it to the bug.16:13
smoserbut i think we want the configs as much as possible to model the normal server configs16:13
jjohansenright, I saw that. thanks16:13
smoser(maybe that is the case with the server, but my -generic shows CONFIG_LOOP=y)16:14
rtgsmoser, since the ec2 kernel is a separate source package we can make the config options different then the master branch kernel.16:14
smoseri'd just like to have 'ubuntu-on-ec2' as much as possible "just like" ubuntu-server16:14
smoserrtg, i'm saying that even if we can, i think in general we should not16:15
jjohansensmoser: okay will look at the configs and see what else jumps out16:15
rtgsmoser, no problem here.16:15
smoserjjohansen, kexec i know of... but that is just a personal interest as i'd love to try kexec updating my kernel :)16:15
smoserso, lets try to make the configs as similar as we reasonably can16:16
smoser2.) second thing is naming on ec216:16
smoseri'm wanting to put together a doc on how we should name things what buckets to use.  in the past we've been wildly inconsistent.16:16
smoserone thing that stinks is that its a global namespace, and if we say we're going to use 'canonical-kernels' and someone jumps in and takes that bucket name we get screwed :)16:17
rtgsmoser, will this affect the source package name? or is this an Amazon thing16:17
smoseri think amazon thing only16:18
rtgsmoser, before I write the MIR, do you want to change the name from ec2 to uec?16:18
smoserthats not really a problem with the single name, but if there are limits to the contents of a bucket (apparently at least there were size/number-of-files limits) and we used canonical-kernels-XX, someone could grab future names.16:18
zultraditionally everything has been uploaded to canonical-cloud-{us,eu}16:18
smoserzul, possibly its just an issue with different people (you, soren, me) (probably mostly me) doing it16:19
smoserbut i just would like to have consistent naming everywhere.16:19
zuland traditionally ive called them vmlinuz-2.6.xx-yy-<arch>16:19
smoserrtg, this is a 'ec2' kernel. not related to uec (well, unless they're doing uec on xen...and very old xen, but i dont think that is likely supported)16:19
smoserzul, ill make sure that i look at what you've used in the past16:20
jjohansenrtg: we should consult with mdz on the name16:20
smosersure, thats fine. but it really is an ec2 kernel.  the uec kernels people will use will likely be -server based (or -virtual)16:21
rtgjjohansen, why? did he have a strong opinion? Its not like this kernel is gonna work anywhere other then Amazon or CenOS 5.016:21
jjohansenrtg: there was some strong opinions expressed a few weeks ago16:22
jjohansenrtg: just want to double check before we commit16:22
smoserwell, using uec here would be confusing16:22
smoseras most uec would be kvm (full virt) and this thing wouldn't boot16:23
zulrtg: no necessarily the xen hypervisor is backwards compatible16:23
rtgzul, hmm. I'll ask the question of the key players in email16:24
zulrtg: sure16:25
Q-FUNKre20:56
Q-FUNKogasawara: is there anything else I can do with bug #396286 ?20:59
ubot3Malone bug 396286 in linux "2.6.31-generic: kernel panic near the end of initramfs" [High,In progress] https://launchpad.net/bugs/39628620:59
=== bjf is now known as bjf-afk

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