Stephen C. Rigler spake the following on 11/8/2006 9:17 AM:
We are in the process of migrating XFS filesystems from one storage array to another. Both are arrays are mounted locally on the same CentOS 4.4 system (x86_64). We are running kernel 2.6.9-42.0.2.ELsmp along with kernel-module-xfs-2.6.9-42.0.2.ELsmp-0.1-3.
The issue we are having is that while the copy is running (using rsync) the system will log these message periodically:
kernel: XFS: possible memory allocation deadlock in kmem_alloc (mode:0x250) kernel: XFS: possible memory allocation deadlock in kmem_alloc (mode:0x2d0)
Eventually the system will panic. This looks similar to this bug: http://oss.sgi.com/bugzilla/show_bug.cgi?id=410 which was apparently fixed in April.
Is there any chance that the fix will make it into the centosplus kernel-module-xfs?
Why not try installing 2.6.9-42.0.3 and see if maybe it is fixed?