/srv/irclogs.ubuntu.com/2015/07/23/#ubuntu-kernel.txt

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LaneyAnyone know what changed in cloud images to make 'scsi_debug' go away? https://jenkins.qa.ubuntu.com/view/Wily/view/AutoPkgTest/job/wily-adt-udisks2/ARCH=amd64,label=adt/48/console11:39
LaneyIt's in -extra- but that's not installed11:40
apwLaney, not of the top of my head, its not something i recall being done deliberatly11:42
apwperhaps it got split out or something11:42
apwLaney, i can see no reason it would not have also been in linux-image-extra-* in vivid also11:45
apwthe inclusion list is not different in scsi space, hmmm11:47
Laneyapw: just booting a vivid instance to check11:49
apwLaney, and indeed in the latest vivid linux-image-extra-* it is in there too11:49
Laneybut it is there in vivid11:49
apw?11:49
Laneyand the cloud manifests of vivid vs wily look the same11:49
apwwell that file is in linux-image-extras-* so that is confusing11:49
apwask dpkg what installed it11:49
Laneythere -> in -extra-11:50
apwahh ... well ... erp11:50
apwLaney, perhaps the tests have changed and would fail on vivid too11:51
LaneyI see cloud-init is downloading it11:51
LaneyOK, probably Not Your Problem. :)11:51
Laneygo deal with doko :P11:51
margainfinity, I've added more data to https://bugs.launchpad.net/fedora/+bug/1124250 (I don't understand why this says fedora in the URL, it's marked as affecting linux on trusty and utopic)12:15
ubot5Ubuntu bug 1124250 in linux (Ubuntu Utopic) "Partially incorrect uid mapping with nfs4/idmapd/ldap-auth" [Low,Fix released]12:15
margachiluk, ^My last comment in that bug should show the current state.  It seems like the bug is not fixed for Trusty after all. I'm not sure if I can be of any other help :-/12:16
TJ-I've just helped a Vivid amd64 user with a radeon GPU. The recent 3.19.0.23 update (from 3.19.0-22) has caused a regression causing a blank monitor. Cause is the default mode is 1920x1080@60.0 but that fails in the latest kernel, but 1920x1080@59.9 will work (monitor offers @50, @59.9, @60).  Looks like the (intel)drm and radeon patches could be the cause (bug #1460674)13:37
ubot5bug 1460674 in linux (Ubuntu Vivid) "[i915_bpo] Rebase driver to 4.2~pre" [High,Fix released] https://launchpad.net/bugs/146067413:37
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apwTJ-, i think we'll need to get some bisect action on that, but we'd need to original user for that, and a bug to work in13:42
TJ-apw: I'm awaiting their bug report number13:42
apwTJ-, great, jsalisbury one for the bisect machine me thinks13:42
apw(coming soon from TJ- once he has the bug #)13:43
TJ-bug #147758713:49
ubot5bug 1477587 in linux (Ubuntu) "One black screen of two when both on 1080p60" [High,Confirmed] https://launchpad.net/bugs/147758713:49
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SarvattTJ-, apw: updated that bug, some upstream stable reverts for radeon that came in that stable release update, its not related to the i915_bpo stuff14:11
Sarvatterr, we got some radeon stable updates in the regressing kernel that were reverted in other stable releases i mean14:12
Sarvattmost likely that :D14:12
jsalisburyapw, ack14:14
jsalisburySarvatt, thanks for updating the bug14:15
TJ-Sarvatt: the radeon change mentions the Turks GPU, I noticed. The reason I mentioned the (intel)frm was I saw a specific drm/atmoic CRTC patch14:16
TJ-s/frm/drm/14:16
Sarvatthttps://bugzilla.kernel.org/show_bug.cgi?id=9965114:18
ubot5bugzilla.kernel.org bug 99651 in Video(DRI - non Intel) "third monitor connected via dvi does not work on radeonhd 7770" [High,New]14:18
TJ-Those 2 mentioned commits aren't in the vivid release though, are they? "git describe --all --contains a10f0df0615  ==> tags/cod/tip/drm-intel-nightly/2015-05-29~6^2~1^2~2"14:21
Sarvattthey're in v3.19.8-ckt3, current vivid kernel is based on the v3.19.8-ckt2 stable release14:23
TJ-Maybe I'm misunderstanding then, but as I read the bugzilla report those 2 commits need reverting to fix that issue... whereas our user has a kernel without those commits so in theory our issue is something different?14:25
apwjsalisbury, sounds like we need confirmation of the version in the bug and confirming if those two are in it or not14:26
TJ-Our user does have an HDMI+audio, DVI-D though, so the configuration is similar14:26
TJ-apw: The affected version is -23, and the working version is -22 ... kernel upgrade today initiated the problem14:27
Sarvatthttp://kernel.ubuntu.com/git/ubuntu/ubuntu-vivid.git/commit/drivers/gpu/drm/radeon?id=5385d2affc40d9a4f465ebd4dc3c1e6e0b6c1b0f different sha1 in the ubuntu repo14:27
SarvattThe good kernel version was linux_3.19.0-21.21.14:27
SarvattThis Problem occurred in kernel linux_3.19.0-22.22 and linux_3.19.0-23.24.14:27
TJ-apw: In fact, the info the reporter gives as to kernel versions doesn't seem to match what I was told (see above for what I was told)14:27
jsalisburyapw, ProcVersionSignature: Ubuntu 3.19.0-23.24-generic 3.19.8-ckt2  I can ask them to test: 3.19.8-ckt314:28
apwTJ-, thats not ... yeah that14:28
TJ-I've attached the IRC log for clarity14:30
jsalisburyapw, Sarvatt I see only one of those commits was added in 3.19.0-22: 14:38
jsalisburyhttp://kernel.ubuntu.com/git/ubuntu/linux.git/commit/?h=linux-3.19.y&id=bdb01a9532b5a985631d04aefc10e0a421284f2814:38
apwjsalisbury, does the other get reverted in -ckt3 by any chance14:39
jsalisburyapw, I'll take a look14:39
jsalisburyapw, looks like it does:14:42
jsalisburybde11f3 Revert "drm/radeon: don't share plls if monitors differ in audio support"14:42
Sarvatthttp://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y&ofs=250 about 20 down14:42
jsalisburygit describe --contains bde11f314:42
jsalisburyv3.19.8-ckt3~2014:42
jsalisburySarvatt, :-)  good timing14:42
apwjsalisbury, ok so the next update should have it, so ... i'd say ram that commit on a test kernel for them14:43
apwand confirm that that is enough to make them right again14:43
TJ-I love it when it's simple :)14:44
jsalisburyapw, what's strange is I don't see the original commit in Vivid that should be reverted.  14:44
jsalisbury52dfc11 drm/radeon: don't share plls if monitors differ in audio support14:44
jsalisburyIt looks like it was never added14:45
apwjsalisbury, well it must be no, else it couldn't revert off14:46
jsalisburyapw, hmm, I can't find it with 'git log' or in the changelog, but a git revert on a Vivid tree using the upstream SHA1 does work14:48
Sarvattare there any automated vivid master-next builds in a ppa somewhere?14:48
apwSarvatt, yep in the ~ubuntu-kernel-test ppa pre-proposed in theory14:49
jsalisburyapw, Sarvatt I looked directly at the source and mainline commit a10f0df0615 was never applied to Vivid.  So the revert(Mainline commit  6fb3c025) won't do anything. 14:54
apwjsalisbury, or it might do somethig bad like readd it, what does the commit actually contain in stable14:54
apwas you can't easily commit a null commit14:54
henrixjsalisbury: looks like that commit is only in vivid master-next branch, so there was never a kernel released with it14:56
henrixactually, both the commit *and* the revert are in master-next, which is kind of pointless... :-)14:56
jsalisburyapw, so maybe a revert of ebb9bf18 is all that is needed, which is comming in 3.19.8-ckt3.  I can build a vivid test kernel with just that change14:58
TJ-My reading of it was the user *needs* the commit that splits PLLs when one output has HDMI, as is the case14:59
TJ-s/HDMI/HDMI + audio/14:59
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rtgapw, infinity, I uploaded blktap-dmks to https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/ppa if you'd like to have a look18:31
infinityrtg: That seems nice and simple.  If it fixes it, yay.  And we'll also want that SRUed to trusty (for lts-w/lts-x kernels)18:32
rtginfinity, oh, hadn't thought about the SRU. Guess I'll do that too.18:33
* infinity wonders why that doesn't build for arm64...18:33
infinityOh.  It probably should.18:34
rtginfinity, in the meantime, would you pocket copy to wily for me when it is done building ?18:35
infinityrtg: While you're in there, want to s/i386 amd64 armhf powerpc ppc64el/linux-any/ on the Arch list so we don't have to keep adding arches for every new port? :P18:35
rtginfinity, then just upload directly to the archive ?18:36
infinityrtg: Yeah.18:36
infinityrtg: And happy if both those changes get SRUed.  The Arch list change in trusty will just magically make some packages installable, which won't hurt my feelings.18:37
rtginfinity, uploaded blktap-dkms to trusty, bug #147771818:59
ubot5bug 1477718 in blktap-dkms (Ubuntu Trusty) "blktap-dkms FTBS on kernels >= 4.1" [Undecided,In progress] https://launchpad.net/bugs/147771818:59
infinityrtg: That's a very confused version number you have there. ;)19:04
infinityrtg: Oh, actually, looking at the debian changelog, we probably just want a backport of the wily version anyway.19:06
infinityblktap-dkms (2.0.93-0.3) unstable; urgency=medium19:07
infinity  * Add patch for compatability with kernel 3.14+19:07
rtginfinity, do you just pocket copy that ?19:07
infinityNo.  Hold on.  Lemme look closer.19:07
infinityrtg: Yeah.  We definitely want all the changes from trusty to wily.  Simplest would just be to take the wily source, tack ~14.04.1 to the version, and add the bug closure.19:11
rtginfinity, I can do that. reject my upload ?19:11
infinityrtg: Done.19:11
infinityrtg: Looks like current trusty blktap is already broken with lts-u and lts-v because we never bothered to backport, so this'll fix those, plus lts-w.  Not bad for a few minutes' work.19:12
rtginfinity, that is prolly an indicator of how many folks actually use this driver, i.e., almost nobody19:13
infinityrtg: Or the intersection of people who use this driver and lts kernels.19:13
infinityrtg: The vast majority of non-cloud server-type people I know tend to prefer the kernel we actually support for 5y.19:13
rtginfinity, you'd better have a look before I upload this: http://people.canonical.com/~rtg/blktap-dkms/19:21
infinityrtg: Fine, except that should be LP: not Bug:19:22
infinityrtg: You know you got the bug closure wrong if you don't get a Launchpad-Bug-Fixed: stanza in your .changes19:23
rtginfinity, it must only look at the first changelog entry19:24
infinityrtg: Oh, it looks at all the changelog entries you tell it to.19:24
infinityrtg: You want dpkg-genchanges -S -v$(last_trusty_version) > ../foo.changes19:25
infinityrtg: Then you get a nice .changes with everything in it.19:25
rtgok, lemme update that19:25
infinityrtg: So, good news, your wily upload fixed the autopkgtest failure at least.  Yay.19:29
infinityrtg: Going to lift the block tag on your tracking bug and let your kernel in.19:30
rtginfinity, just refreshed that changes file if you'd like to have another look19:30
infinityrtg: Looks perfect, upload away.19:31
rtgdone19:31
rtgnow, what was I doing before all this ?19:32
infinityrtg: Knowing your schedule, probably EODing?19:32
rtggetting close :)19:32
rtglooks like a great afternoon for some single tracking19:33

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