search for: sh_resync_all

Displaying 1 result from an estimated 1 matches for "sh_resync_all".

2009 Oct 23
11
soft lockups during live migrate..
Trying to migrate a 64bit PV guest with 64GB running medium to heavy load on xen 3.4.0, it is showing lot of soft lockups. The softlockups are causing dom0 reboot by the cluster FS. The hardware has 256GB and 32 CPUs. Looking into the hypervisor thru kdb, I see one cpu in sh_resync_all() while all other 31 appear spinning on the shadow_lock. I vaguely remember seeing some thread on this while ago, but just can''t seem to google find it now. I''m trying to figure what could be done in the short run. Now that guests are getting bigger in memory, bugs of this nature...