On Thu, Mar 31, 2005 at 12:02:20PM -0500, Matthew N. Dodd wrote:
> On Wed, 30 Mar 2005, Karl Denninger wrote:
> > Removing the FIRST delta, which is:
> >
> > 218a219,221
> > if (!dumping)
> > callout_reset(&request->callout, request->timeout * hz,
> > (timeout_t*)ata_timeout, request);
> >
> > appears to get rid of the crashes while not harming data integrity OR the
> > reqeueing.
>
> I'd be interested to know if the attached patch does anything.
>
> --
> 10 40 80 C0 00 FF FF FF FF C0 00 00 00 00 10 AA AA 03 00 00 00 08 00
> Index: ata-queue.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/dev/ata/ata-queue.c,v
> retrieving revision 1.32.2.6
> diff -u -u -r1.32.2.6 ata-queue.c
> --- ata-queue.c 23 Mar 2005 04:50:26 -0000 1.32.2.6
> +++ ata-queue.c 31 Mar 2005 17:00:46 -0000
> @@ -217,8 +217,7 @@
> }
> else {
> if (!dumping)
> - callout_reset(&request->callout, request->timeout * hz,
> - (timeout_t*)ata_timeout, request);
> + callout_drain(&request->callout);
> if (request->bio && !(request->flags & ATA_R_TIMEOUT)) {
> ATA_DEBUG_RQ(request, "finish bio_taskqueue");
> bio_taskqueue(request->bio, (bio_task_t *)ata_completed, request);
>
It'll be a few hours before I will know on the production machine - the RAID
array has to rebuild before I can trigger the problem, and we're scheduled
for some power work here in an hour or so - which I suspect will get in the
way.
What do you expect the patch to do, given that removing the delta appears to
fix the instability problem?
--
--
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