Public bug reported:
Upon trying to provide a lvm storage container for kvm virtualization it
worked but got I/O errors inside the guest after a short period of time.
Setup: SSD with primary partition > luks dm-crypt container > lvm pv >
kvm guests
Jun 9 13:16:18 sonus kernel: [ 0.702849] EXT4-fs (vda1): mounted filesystem
with ordered data mode. Opts: (null)
Jun 9 13:16:18 sonus kernel: [ 0.884851] Adding 575484k swap on /dev/vda2.
Priority:-1 extents:1 across:575484k
Jun 9 13:16:18 sonus kernel: [ 0.904298] EXT4-fs (vda1): re-mounted. Opts:
errors=remount-ro
Jun 9 13:16:18 sonus kernel: [ 1.497796] end_request: I/O error, dev vda,
sector 4992576
Jun 9 13:16:18 sonus kernel: [ 1.498668] end_request: I/O error, dev vda,
sector 4992576
Jun 9 13:16:18 sonus kernel: [ 1.499204] end_request: I/O error, dev vda,
sector 4992576
I checked the ssd an tried with another guest but got the same result.
After changing the setup from lvm to image file on the same ssd everything
started to work.
Setup: SSD with primary partition > luks dm-crypt container > ext4 > kvm guests
Only error pointing in this direction is a lvm boundary exposure error
which was corrected a long time ago.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: libvirt-bin 1.0.2-0ubuntu11.13.04.1
ProcVersionSignature: Ubuntu 3.8.0-23.34-generic 3.8.11
Uname: Linux 3.8.0-23-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
Date: Sun Jun 9 23:54:10 2013
InstallationDate: Installed on 2013-06-08 (1 days ago)
InstallationMedia: Ubuntu-Server 13.04 "Raring Ringtail" - Release amd64
(20130423.1)
MarkForUpload: True
SourcePackage: libvirt
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apparmor apport-bug raring
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https://bugs.launchpad.net/bugs/1189262
Title:
kvm virtual disk errors on luks container/lvm combo
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