mfiutil create .. leads to deadlock in 6-STABLE
jhb at freebsd.org
Tue Jun 8 16:24:15 UTC 2010
On Tuesday 08 June 2010 5:30:30 am pluknet wrote:
> I faced w/ subj. issue on IBM ServeRAID M5015 (LSISAS2108 SAS2.0 6Gbps).
> As I can see, lockup is caused by sleeping on sx lock after Giant was
> Can r160217 help me or am I go the wrong way?
> from r160217: "Use a sleep mutex instead of an sx lock for the kernel
Giant is special, it can be acquired both before and after sx locks because it
is released while blocking on an sx lock. Are you sure that mfiutil is hung?
The thread appears to be running rather than blocked on a lock.
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