Re: 2.5.31 qlogic error "this should not happen"

From: Doug Ledford (
Date: Thu Aug 22 2002 - 17:54:38 EST

On Thu, Aug 22, 2002 at 06:39:16PM -0400, wrote:
> While running bonnie++ with 2.5.31 and 2.5.31-mm1,
> a quad xeon with QLogic Corp. QLA2200 (rev 05)
> stopped responding. These were the last lines
> in /var/log/messages before the box was rebooted.
> kernel: qlogicfc0 : no handle slots, this should not happen.
> kernel: hostdata->queued is 6, in_ptr: 7d

Hmmm...sounds like no one bothered to correct the lock usage in this
driver after the 2.5 kernel switched to per device queue locks instead of
the global io_request_lock usage that this driver depended on to be safe.
Try applying the attached patch and see if it helps you out any.

  Doug Ledford <>     919-754-3700 x44233
         Red Hat, Inc. 
         1801 Varsity Dr.
         Raleigh, NC 27606

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