[Xen-devel] LVM snapshotting on dom0 panics XFS root on pv domU

["Bart Van Kerckhove" <bart@xxxxxxxx>]

List,

When testing a script i'm using on a few linux domU's, one kept crashing.
Turns out this is related to XFS (root domu filesystem?) somehow, here's the 
only useful output I managed to get out of a testing vm trying to reproduce 
the problem:
DomU console:

slackware login: [9236870.652650] I/O error in filesystem ("sda1") meta-data 
dev sda1 block 0x101149       ("xlog_iodone") error 5 buf count 10240
[9236870.652699] Filesystem "sda1": Log I/O Error Detected.  Shutting down 
filesystem: sda1
[9236870.652704] Please umount the filesystem, and rectify the problem(s)

This happens immediately after taking a snapshot of the volume i'm using as 
backend for sda1.
( disk = [ 'phy:/dev/SAS/xfsbug,sda1,w' ] )

Thoughts? Is this a known bug? (I have yet to test this on anything but xen 
3.3)
Kind regards,

-Bart Van Kerckhove 

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