/srv/irclogs.ubuntu.com/2013/05/16/#ubuntu-kernel.txt

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dape8708hello07:58
dape8708anyone ever seen these with ipv6 traffic over a gre tunnel? http://i.imgur.com/Tx5DFIH.jpg http://i.imgur.com/HXDJybV.jpg07:59
robert_ancellHi, I was wondering if anyone is planning on maintaining the LTT-ng userspace packages in Ubuntu? We're probably going to take a dependency on them for Mir, so will have to do a MIR. Want to check if someone else is planning on doing that08:27
infinityrobert_ancell: (Note that rtg probably won't be around for a few hours, at least, and he was the one who was keen enough on lttng to include the kernel module in the saucy kernel)08:31
robert_ancellinfinity, ok, I'll resort to email :)08:31
psivaainfinity: hello08:51
infinitypsivaa: Hey, I've long since forgotten why I pinged you.  Was probably about helping to test the emergency SRU kernels, but the security team ended up smoketesting the lot for me.08:53
psivaainfinity: ok, i saw raring regression testing for  -21.32 already done. thanking them :)08:56
psivaainfinity: btw, you could also ping plars for any urgent regression testing, one of us will pick them up depending on the timing09:18
infinitypsivaa: Sure.  In this case, it was literally a 3-char patch and the effect of it was fairly obvious, so we just did some ghetto boot smoketesting of all the images, and verified the exploit no longer worked.09:20
psivaainfinity: ack09:21
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plarsinfinity, psivaa: I looked yesterday at all the ones that were marked ready for us yesterday afternoon, did a lucid sru one but that's the only one I saw at the time... was this something that came in since I guess?11:23
psivaaplars: yea QA regression testing tasks were not marked confirmed for those raring and lts kernels but the kernels were in -proposed11:29
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apwwhat a thoroughly misserable morning i am having12:12
apwit has taken me about 3/4 of a hour to fix my network ...12:12
ogra_as long as your coffee machine isnt network depending thats still ok i'd say12:13
apwogra_, thankfully not!12:14
ppisatiapw: i can hear you, can you hear me?12:16
diwicAt what point will saucy switch from 3.9 to 3.10 ?12:41
rtg_diwic, probably not for a couple of -rc releases.12:44
diwicrtg_, so around rc4 - rc6 somewhere? I don't have an immediate need, just curious.12:44
ogra_who cares anyway ... the important 13.10 arches are stuck at 3.2 or 3.5 :P12:45
rtg_diwic, whenever it seems stable enough that it doesn't kill any kittens12:45
diwicogra_, heh, I have quite a few "fix committed" bugs I want to close as "fix released" which I can do when we go to 3.10, so that's the reason :-)12:46
ogra_:)12:46
diwicrtg_, can't we sandbox the kittens? They like pooping there.12:47
diwicor in our garden, sigh12:47
* diwic has no idea where this analogy will lead.12:47
rtg_I've created an unstable branch in the saucy repo so you can see what I'm doing.12:48
diwicrtg_, ack12:48
plarsbjf: psivaa is working with the saucy jobs and getting a kernel mismatch between what's on the netboot iso and the kernel version, psivaa: can you give him the exact error?13:06
plarshe told cobbler to update right before, but maybe just bad timing?13:06
psivaaplars: bjf: 'No kernel modules were found. This is probably due to a mismatch between the kernel version used by this version of the installer and the kernel version available in the archive' is the message13:08
psivaathis i used to get in iso installation when a new kernel version being updated13:09
tyrogHi, is the kernel -22 arriving on proposed today?13:10
bjfpsivaa, when i got that before i bugged retoaded to re-sync the cobbler isos13:16
bjftyrog, that's the plan though they may not actually reach -proposed until tomorrow depending on how quickly everything builds13:17
tyrogbjf: good, thanks13:18
psivaabjf: ok, I updated the cobbler iso's though. I'll ping retoaded about it, thanks13:24
tyrogbjf: it comes with the fix for hdmi audio right?13:28
bjftyrog, correct13:28
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zequenceNew but reports out for the SRUs, ABI bumbs, but no new ones for lowlatency. Since lowlatency SRU bug reports aren't versioned, I'm thinking I can just use the ones that exist, even if they were based on the previous version14:08
apwbjf, ^^ ?14:09
rsalvetiapw: rtg_: so, tested the manta kernel and it didn't work =\14:11
rsalveti2 issues, one is that our config, even when used with the default android kernel as part of the android build system, breaks adb14:12
rtg_rsalveti, do you know what config is breaking adb ?14:12
rsalvetiand the second one is that building the exactly the same kernel without any extra patch, with the original config, is already enough to get a broken system, don't know why14:12
rsalvetirtg_: not yet, the diff is quite big14:12
apwrtg_, is manta building with v4.8 ?14:12
rtg_4.7 I think14:13
rsalvetiI was cross building with 4.7 here14:13
apwnot that then14:13
rsalvetibut it seems we got a compiler or something related with that, because even when I build the original tree with the original config but with our gcc it's already enough to have a broken kernel14:14
rsalvetiit keeps rebooting after loading the shell14:14
rtg_rsalveti, what compiler does android use ?14:14
rsalvetithe weird part is that there's no module at all14:14
rsalvetiso not sure if there's a binary complaining about something14:14
rsalvetipre-built 4.614:14
rsalvetiarm/arm-eabi-4.6/bin/arm-eabi-14:15
bjfzequence, we generated new bugs for the master kernels, the bot will generate new bugs for the derivitives as well at what it determines the appropriate time. you may choose to use the old bugs or the new ones, it's your call.14:16
rtg_rsalveti, when you say original tree, are you referring to the stock cyanogenmod repo ?14:17
zequencebjf: ok, thanks14:18
rsalvetirtg_: yeah, the one we were using before available at phablet.u.c, which you guys used as base14:19
rtg_rsalveti, and that clearly works with gcc-4.6, but not gcc-4.7 or higher ?14:20
ogra_did you try with the 4.6-armhf cross compiler too ?14:22
rsalvetirtg_: just tested with 4.7, I'm now cross building it with our gcc-4.6 to see14:22
ogra_ah14:22
ogra_:)14:22
rsalvetiright :-)14:22
rsalvetineed to reboot first, going back to 3.8 as 3.9 is kind of broken regarding my iwlwifi driver14:24
rsalvetihttp://paste.ubuntu.com/5670944/14:24
rsalvetinot sure if it's the firmware though14:24
rsalvetibrb14:24
ogra_G+ seems to be full of poeple having issues with 3.9 and wlan14:25
ogra_(on saucy)14:25
rtg_ogra_, iwlwifi, or wlan in general ?14:25
ogra_dunno, i just noticed several peole moaning about broken wifi 14:26
ogra_since a day or two14:26
rsalvetiyeah, 3.8 is way more stable regarding wifi =\14:53
rsalvetiit was kind of locking my kernel at every firmware flush14:53
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JayFI'm running a set of Lucid boxes with the linux-lts-backport-oneiric kernels (linux-image-3.0.0-32-server) installed and running. The recent local root CVE seems like it should impact that kernel. I was wondering 1) If it's vulnerable (I think yes?) and if so, 2) Is a security updat scheduled for it.16:43
rtg_bjf, ^^16:44
JayFThanks :)16:45
bjfjjohansen, ^ ?16:45
jjohansenJayF: Oneiric is end of life and no updates are coming16:47
JayFThen can you pull the vulnerable kernel from the Lucid repo to prevent people from getting compromised via it? 16:48
jjohansenJayF: I don't believe oneiric is vulnerable, the git log shows us skipping b0a873ebb16:48
bjfjjohansen, should have caught that16:48
JayFjjohansen: I'm explicitly running https://launchpad.net/ubuntu/lucid/+package/linux-image-3.0.0-32-server -- the backported lucid version16:48
JayFso if it's not vulnerable, that's great!16:48
bjfJayF, as jjohansen pointed out, we are no longer supporting oneiric nor lts-backport-oneiric. you might consider upgrading.16:49
jjohansenJayF: hrmm, actually I am wrong it looks like it is vulnerable16:49
jjohansenI miss read the log16:49
JayFThanks for the update. I'll either have to roll my own kernel now or package a couple of drivers for the standard lucid kernel. Shouldn't be too rough. Thanks for the info.16:51
henrixapw: who do i have to pay a beer in order to have the 3.8.y-queue/review branches being built daily, as we do for the 3.5 branches?16:53
jjohansenJayF: we don't generally pull eol packages from the archive, there are only a few exceptional cases where we do that17:05
JayFjjohansen: Just worrisome to know there's a vulnerable kernel image-type (i.e., the lts-backport-oneiric will be dead forever) in the main repos for a still-supported LTS :/. I worry about people getting locally rooted over it, but you guys do all the work and thereby get to make decisions about it ;)17:09
JayFty for the help17:09
rtg_jjohansen, is there a way to emit an motd in Lucid if you're running an obsolete kernel ? we should be messaging this kind of loudly. ogasawara has suggested that we're gonna do that for precise when 14.01.1 is released.17:11
jjohansenJayF: yes it is a problem, and we have it with several other desktop applications still in the lucid archive. The options where weighed and a choice made (not my choice)17:11
rtg_14.04.1 (doh!)17:12
jjohansenrtg_: it is possible, our current planning requires some changes17:12
rtg_jjohansen, perhaps lucid would be good practice17:12
jjohansenI will discuss it with jdstrand17:13
JayFThat sounds pretty awesome. #ubuntu-kernel++17:14
* rtg_ -> lunch17:19
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apwhenrix, heh ... i'll have a look, i always need more beer17:27
henrixapw: :)17:27
henrixapw: thanks. i'm not sure if you set it up for the 3.5 or herton did17:27
apwhenrix, i think i did some of it at least :)17:28
apwhenrix, ok, seems to be pretty easy ... initial review branch building now17:35
henrixapw: cool, thanks.17:35
JayFjjohansen: would you guys accept a patch to add the security fix to that backported kernel? I'm going to do it in my env anyway, and I'm more than willing to contribute it back if it would make it to the repo.19:26
jjohansenJayF: generally speaking once its eol we don't accept new patches for a package19:30
jjohansenJayF: it should be possible for you to set up a ppa and build/publish your kernel in there19:31
JayFThanks. I'll look into doing that.19:44
bguthroAny i915 experts in the house? I've tried the intel-gfx list, but have never had any luck getting any response to any of my questions19:58
* rtg_ -> EOD20:16
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JayFbjf: jjohansen: Unless I'm reading the kernel source wrong, it looks like linux-lts-backport-oneiric latest is *not* vulnerable.21:59
JayFhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8176cced706b5e5d15887584150764894e94e02f should be the fixing commit, and the offending line is already updated in the source22:00
jjohansenJayF: the oneiric kernel contain commit b0a873ebbf87bf38bf70b5e39a7cadc96099fa13 which is the commit fingered as introducing the bug22:01
JayFjjohansen: my comment was that it appears to also have the commit fixing the bug22:01
jjohansenhah, so it does22:02
jjohansenI didn't even bother looking for that22:02
JayFCool. Glad to have confirmation :).22:03
jjohansenJayF: wait, it shows up when I do git show on my tree but not in the log22:03
JayFjjohansen: I just unpacked the kernel source tarball I got from http://packages.ubuntu.com/source/lucid/linux-lts-backport-oneiric went to the function in question, and checked22:04
JayFand it's showing the u64 vs the int22:04
JayFline 5433 in kernel/event/core.c in that copy vs line 5331 in the kernel git log... but the line and function are idential and appears to be nonvulnerable22:05
jjohansenJayF: I'll take your word for it, its possible my copy of the tree didn't get the last update. and the repo has been removed22:06
jjohansenthat is the oneirc repo22:07
jjohansenthe lucid repo has the backport kernel but is log just shows which oneiric kernel is backported22:07
JayFCool. Well I'll let at least my twitter followers know :)22:08
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