In the KVM case define your backing store as non-cached:
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https://bugs.launchpad.net/bugs/341310
Title:
JBD: barrier-based sync failed on dm-0:8 disablin
Sorry, I forgot to tell, that the exact message is this (maybe it's not
the very same ...):
[ 11.689308] JBD: barrier-based sync failed on cciss!c0d0p1-8 - disabling
barriers
[ 16.199104] JBD: barrier-based sync failed on cciss!c0d0p3-8 - disabling
barriers
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I have this problem on lucid (on amd64). I don't know if it counts but
system was installed as jaunty, and after the usual upgrade process
between that and lucid, I see now this error in the kernel log. However
I have no idea if it's dangerous or not. Does it cause performance
regression? Just beca
I can't re-open this but but it should be as this also affects Lucid.
See my comment in #5.
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https://bugs.launchpad.net/bugs/341310
Title:
JBD: barrier-based sync failed on dm-0:8 disab
This bug was filed against a series that is no longer supported and so
is being marked as Won't Fix. If this issue still exists in a supported
series, please file a new bug.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
any news about fixing this bug?
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Title:
JBD: barrier-based sync failed on dm-0:8 disabling barriers
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I am also affected by this bug. I have a KVM guest that runs Lucid on a
virtio drive and I get the following message :
Nov 17 20:03:39 vpn01 kernel: [3.672378] JBD: barrier-based sync
failed on vda1-8 - disabling barriers
The file associated to the virtio device lives on a RAID-0 MD device.
This bug report was marked as Incomplete and has not had any updated
comments for quite some time. As a result this bug is being closed.
Please reopen if this is still an issue in the current Ubuntu release
http://www.ubuntu.com/getubuntu/download . Also, please be sure to
provide any requested in
This bug report was marked as Triaged a while ago but has not had any
updated comments for quite some time. Please let us know if this issue
remains in the current Ubuntu release,
http://www.ubuntu.com/getubuntu/download . If the issue remains, click
on the current status under the Status column
** Changed in: linux (Ubuntu)
Importance: Undecided => Low
** Changed in: linux (Ubuntu)
Status: New => Triaged
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JBD: barrier-based sync failed on dm-0:8 disabling barriers
https://bugs.launchpad.net/bugs/341310
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Bu
So it seems to be minor issue.
http://www.novell.com/support/search.do?cmd=displayKC&sliceId=SAL_Public&externalId=3907838
I've added option "barrier=0" on the line in /etc/fstab to silent the error.
What is strange is that I have 2 partitions mounted as EXT4.
* The first one is on sda2 and is mo
** Attachment added: "BootDmesg.txt"
http://launchpadlibrarian.net/23760172/BootDmesg.txt
** Attachment added: "CurrentDmesg.txt"
http://launchpadlibrarian.net/23760173/CurrentDmesg.txt
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/23760174/Dependencies.txt
** A
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