Grim news there is the same behaviour using 2.6.30...
ski:~# cat /proc/version
Linux version 2.6.30-bpo.1-amd64 (Debian 2.6.30-5~bpo50+1)
(no...@debian.org) (gcc version 4.3.2 (Debian 4.3.2-1.1) ) #1 SMP Wed
Aug 5 11:07:47 UTC 2009
And logs:
Aug 6 22:54:39 ski kernel: [ 2160.704087] INFO: task md2_resync:4371
blocked for more than 120 seconds.
Aug 6 22:54:39 ski kernel: [ 2160.704270] INFO: task partimage:6788
blocked for more than 120 seconds.
Aug 6 22:54:39 ski kernel: [ 2160.704418] INFO: task lvs:6911 blocked
for more than 120 seconds.
Aug 6 22:56:39 ski kernel: [ 2280.704152] INFO: task partimage:6788
blocked for more than 120 seconds.
Aug 6 22:56:39 ski kernel: [ 2280.704329] INFO: task lvs:6911 blocked
for more than 120 seconds.
Looking back over things (for my systems) this bug is exposed when a
raid 1 resync is in progress and partimage is taking a backup of one of
the logical volume snap shots on the same physical disk.
Using dd instead of partimage in the backup script does not expose the
bug - even when using the 2.6.26-17 kernel. I have lots more testing to
do...more soon.
Berni
PS:
lvm2: 2.02.39-7
Part image: 0.6.7-1
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