Could you describe your symptoms more specifically to make sure that you
actually have _this_ bug?
Per my comment #1, do you see the same issue here (and can you post your
output):
"""
With no other major CPU usage, but CPU 0 pegged, "perf top" shows this as the
top usage:
50.02% [kernel] [k] t
This bug was fixed in upstream Linux and backported to the following
Ubuntu linux kernel package revisions:
3.2.0-61
3.5.0-49
3.8.0-39
3.11.0-20
The fix was picked up in the upstream 3.13 tree in March, 2014:
http://www.spinics.net/lists/stable/msg37786.html
If you are running a version of the 3
Also Fix Released for linux-lts-saucy by
https://bugs.launchpad.net/ubuntu/+source/linux-lts-saucy/+bug/1301505 -
Thank you!
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Title:
Note: the 'Package-testing' step is still listed as In Progress. I
imagine it can be Fix Released now :)
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https://bugs.launchpad.net/bugs/1300455
Title:
linux: 3.2.0-61.92
Andrew, have you tested the 3.2.0-61 kernel from the proposed channel?
These types of bugfix releases can often be helped along with test
result comments of the form: "I tried the proposed package and it
resolves this problem for me. Hope it is published soon." (or not if it
doesn't, which is the m
Testing 3.11.0-20~precise1 and this issue appears to be resolved. Thank
you!
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Title:
Intel igb driver infinite loop in ksoftirqd, us
linux-3.2.0-61 is NOT released, I don't understand why it's been marked
Fix Released.
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Title:
Intel igb driver infinite loop in ksof
Bug 1300455 has the fixed linux kernel for Precise (3.2.0-61)
Bug 1300928 has the fixed linux kernel for Saucy (3.11.0-20)
Bug 1301505 has the fixes backport linux-lts-saucy for Precise
(3.11.0-20~precise)
None of the kernels above have been released, so this bug cannot be
closed yet.
I don't un
Precise kernel package linux-3.2.0-61 is not released yet:
https://bugs.launchpad.net/kernel-sru-workflow/+bug/1300455
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Title:
Intel
Tim, could you add an "Also affects" section for linux-lts-saucy? That
fix has not been released.
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Title:
Intel igb driver infinite
Bug 1300928 has the fixed linux kernel for Saucy.
Bug 1301505 has the fixes backport linux-lts-saucy for Precise
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Title:
Intel igb d
This is resolved by 3.11.0-17.
The kernel fix has title "vfs: fix subtle use-after-free of
pipe_inode_info"
See this LKML post for details:
http://lwn.net/Articles/575477/
Subject: Re: Found it! (was Re: [3.10] Oopses in kmem_cache_allocate() via
prepare_creds())
Date: Mon, 2 Dec 2013 18:58:57 -
Thank you! Testing the two kernels above:
3.2.0-61.92 does not exhibit the issue.
3.11.10.6 does not exhibit the issue.
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Title:
Inte
Hey, so heads up that this absolutely does affect kernel 3.2.0-60.
Per the changelog here:
http://changelogs.ubuntu.com/changelogs/pool/main/l/linux/linux_3.2.0-60.91/changelog
This commit was added:
* net_dma: mark broken
- LP: #1281620
According to the commit message for "ioat: fix taskl
(Hmm, you're simply tracking 3.2.55, that's how the net_dma commit got
into the 3.2.0-60 build. Do we have to wait for 3.2.56 for a fix to be
shipped in an Ubuntu build?)
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htt
I am now seeing this bug with the Precise linux-3.2.0-60 package on the
same hardware.
I will try to create a lab-conditions reproduction of the issue to test
the 3.11.10.6 kernel, but so far the problem only manifests on my
production workload and/or production hardware.
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Does not require logs, this is a known issue upstream. Changing to
Confirmed.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Changing from package linux-lts-saucy to linux; this impacts the 3.11
kernel in general, not just the Precise build.
** Package changed: linux-lts-saucy (Ubuntu) => linux (Ubuntu)
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I am currently testing 3.11.0-17 to see if it resolves the problem, but
while I do that test, I want to document the problem!
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https://bugs.launchpad.net/bugs/1285427
Title:
Cannot run this tool. How shall I gather the relevant logs in a non-
desktop scenario?
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Title:
Precise with linux-lts-saucy 3.11.0-1
Cannot run this tool. What logs shall I get you?
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Title:
Precise with linux-lts-saucy 3.11.0-15 soft lockup
Status in “linux” packa
[6448078.086457] BUG: soft lockup - CPU#23 stuck for 22s! [ruby:19536]s data
and manage this system at https://landscape.canonical.com/
[6448078.093543] Modules linked in: btrfs(F) zlib_deflate(F) ufs(F) qnx4(F)
hfsplus(F) hfs(F) minix(F) ntfs(F) msdos(F) jfs(F) xfs(F) reiserfs(F) ext2(F)
ipmi_d
[1134528.181180] BUG: unable to handle kernel paging request at 881152a62a80
[1134528.189210] IP: [] kmem_cache_alloc+0x66/0x150
[1134528.196162] PGD 1fd9067 PUD 0
[1134528.199831] Oops: [#1] SMP
[1134528.203695] Modules linked in: btrfs(F) zlib_deflate(F) ufs(F) qnx4(F)
hfsplus(F) hfs(F)
Public bug reported:
I am experiencing intermittent soft lockups with kernels linux-lts-saucy
3.11.0-13 and linux-lts-saucy 3.11.0-15. I am currently testing
3.11.0-17 to see if it resolves the problem, but while I do that test, I
want to document the problem!
Symptoms: host can be pinged, but ca
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