Situation is intolerable, crashed 2nd time in 12 hrs:
top - 12:06:37 up 1:51, 1 user, load average: 3.33, 0.87, 0.33
Tasks: 226 total, 5 running, 221 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 48.5 sy, 0.0 ni, 50.9 id, 0.1 wa, 0.0 hi, 0.5 si, 0.0 st
KiB Mem: 12295372 total,
Filled a bug on Kernel.Org -
https://bugzilla.kernel.org/show_bug.cgi?id=63571
** Bug watch added: Linux Kernel Bug Tracker #63571
http://bugzilla.kernel.org/show_bug.cgi?id=63571
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Upgraded to 3.12.0-999-generic #201310210405 and still get lockups and
still with absolutely nothing on the kernel logs.
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https://bugs.launchpad.net/bugs/1237794
Title:
OK, after a week of further testing I don't think the issue is resolved.
I am moving about 150GB of data around and the system gives hard locks.
Nothing in the syslog, however I had a top running at failure and the
BTRFS processes went through the roof:
000 R 100.0 0.0 0:51.50
Installed 3.12.0-999-generic #201310170405 and retrying.
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Title:
hard lockup on filserver
Status in “linux” package in Ubuntu:
OK, it is reproducible - I have a filserver with 6x 3TB in a BTRFS RAID
1+0 configuration.
From a client (and using NFS) I copy a 95GB tar file from the fileserver
to a USB HD.
It seems at the very end (when BTRFS deletes the 95GB file on the server
it falls over - btrfs-transaction and
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
hard lockup on filserver
Status in “linux” package in
Not status (sorry) adding tag.
** Tags added: kernel-fixed-upstream
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Title:
hard lockup on filserver
Status in “linux” package in
OK, system has run perfectly since I installed the 3.12.0-999-generic
#201310090426 kernel.
Changing status as instructed
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Title:
Now running mainline kernel (3.12.0-999-generic #201310090426) and
restesting
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Title:
hard lockup on filserver
Status in “linux”
Output from:
ubuntu-bug linux
** Attachment added: Ouput from ubuntu-bug linux
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1237794/+attachment/3871367/+files/apport.linux-image-3.11.0-12-generic.ulc9k4.apport
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Last nights/this mornings lock up had nothing logged:
Oct 9 20:20:48 enterprise sm-notify[867]: Unable to notify
starbug.sec-consulting.co.uk, giving up
Oct 9 20:20:48 enterprise sm-notify[867]: Unable to notify
subversion.sec-consulting.co.uk, giving up
Oct 9 20:27:49 enterprise kernel: [
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.12 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
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