This bug still exists in intrepid. It happens during a backup dd with a
file which has 35GB.
Command:
dd if=$LVM_DIR$LVM_SNAP of=$STORAGE_DIR$LVM_DISK.img
attached output of /var/log/syslog
** Attachment added: relevant syslog commands
http://launchpadlibrarian.net/26249623/syslog.txt
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** Tags added: verification-done
** Tags removed: verification-needed
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dd on gfs2 cause kernel oops
https://bugs.launchpad.net/bugs/276641
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This bug was fixed in the package linux - 2.6.24-23.46
---
linux (2.6.24-23.46) hardy-proposed; urgency=low
[Alessio Igor Bogani]
* rt: Updated PREEMPT_RT support to rt21
- LP: #302138
[Amit Kucheria]
* SAUCE: Update lpia patches from moblin tree
- LP: #291457
It would be great to get confirmation that this newer kernel does indeed
resolve the oops reported here. Thanks.
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dd on gfs2 cause kernel oops
https://bugs.launchpad.net/bugs/276641
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I've been used the proposed 2.6.24-23.46 kernel in a 4 nodes cluster for a
period of about 40 days so I can confirm that the newer kernel resolves the
oops.
Sergio
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dd on gfs2 cause kernel oops
https://bugs.launchpad.net/bugs/276641
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I suspect Tim meant to target this bugfix for the upcoming 8.04.2
release, not the far-off 8.04.4.
** Changed in: linux (Ubuntu Hardy)
Target: ubuntu-8.04.4 = ubuntu-8.04.2
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dd on gfs2 cause kernel oops
https://bugs.launchpad.net/bugs/276641
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whoops, please ignore previous comment, sorry.
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dd on gfs2 cause kernel oops
https://bugs.launchpad.net/bugs/276641
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Please add xen custom binary of this kernel version.
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dd on gfs2 cause kernel oops
https://bugs.launchpad.net/bugs/276641
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Accepted linux into hardy-proposed, please test and give feedback here.
Please see https://wiki.ubuntu.com/Testing/EnableProposed for
documentation how to enable and use -proposed. Thank you in advance!
** Tags added: verification-needed
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dd on gfs2 cause kernel oops
This bug is only present in v2.6.24 and thus only applies to Hardy. The
patch is a backport from a mainline commit which is included in the
Intrepid and Jaunty kernels. Now that Hardy is Fix Committed, the
Jaunty task can go. Moved Invalid
** Changed in: linux (Ubuntu)
Status: In
** Changed in: linux (Ubuntu Hardy)
Assignee: Tim Gardner (timg-tpi) = Andy Whitcroft (apw)
** Changed in: linux (Ubuntu)
Assignee: Steve Conklin (sconklin) = Andy Whitcroft (apw)
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dd on gfs2 cause kernel oops
https://bugs.launchpad.net/bugs/276641
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SRU Justification
Impact: kernel can oops
Patch Description: replace gfs2_bitfit with upstream version to prevent
oops
Patch: http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-
hardy.git;a=commit;h=c3400e846d2c4568529c537be3555ff6c6108e76
Test Case: See bug description
** Changed in: linux (Ubuntu
** Changed in: linux-ubuntu-modules-2.6.24 (Ubuntu)
Sourcepackagename: linux = linux-ubuntu-modules-2.6.24
Assignee: (unassigned) = Steve Conklin (sconklin)
Status: Fix Released = In Progress
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dd on gfs2 cause kernel oops
https://bugs.launchpad.net/bugs/276641
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** Changed in: linux (Ubuntu)
Sourcepackagename: linux-ubuntu-modules-2.6.24 = linux
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dd on gfs2 cause kernel oops
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Looks ok for hardy SRU.
Sergio, do you happen to have a pointer to the original upstream git
commit? I understand that we can' t pull that directly since it's a
port, but it would nevertheless be good to refer to it for documentation
and comparison.
** Changed in: linux (Ubuntu Hardy)
Look at this:
http://git.kernel.org/?p=linux/kernel/git/steve/gfs2-2.6-fixes.git;a=commit;h=1f466a47e8a3a3e3b527b3285c7b9c8a837fb7ec
Performance are improved too.
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dd on gfs2 cause kernel oops
https://bugs.launchpad.net/bugs/276641
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Am I understanding correctly that this issue doesn't exist for Intrepid?
I'll only leave the hardy task open - if I'm wrong, please correct.
** Changed in: linux (Ubuntu)
Status: Confirmed = Fix Released
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dd on gfs2 cause kernel oops
https://bugs.launchpad.net/bugs/276641
You received
correct, it affects only hardy. please evaluate the patch, this is a serious
problem.
Regards
--Sergio
** Changed in: linux (Ubuntu Hardy)
Status: New = Confirmed
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dd on gfs2 cause kernel oops
https://bugs.launchpad.net/bugs/276641
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** Tags added: kernel-oops linux-2.6.24
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dd on gfs2 cause kernel oops
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** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Sergio (zeno979)
Status: New = Confirmed
** Changed in: linux (Ubuntu)
Status: Confirmed = New
** Changed in: linux (Ubuntu)
Assignee: Sergio (zeno979) = (unassigned)
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dd on gfs2 cause kernel oops
The problem happens sometimes moving large files (8GB)
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dd on gfs2 cause kernel oops
https://bugs.launchpad.net/bugs/276641
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Porting gfs2_bitfit function definition from last vanilla kernel resolves the
problem.
Here's the patch, please include it in the kernel source for hardy.
--Sergio
** Attachment added: patch for linux-2.6.24 to fix gfs2_bitfit problem
** Attachment added: output of dmesg (after reboot)
http://launchpadlibrarian.net/18100788/dmesg.log.gz
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dd on gfs2 cause kernel oops
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** Attachment added: output of lspci -vvnn
http://launchpadlibrarian.net/18100790/lspci-vvnn.log.gz
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dd on gfs2 cause kernel oops
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** Changed in: linux (Ubuntu)
Sourcepackagename: linux-meta = linux
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dd on gfs2 cause kernel oops
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