Date: Mon, 7 Nov 2011 13:20:27 +1100 From: Peter Jeremy <peterjeremy@acm.org> To: freebsd-scsi@freebsd.org Subject: Re: Watchdog timeouts on isp(4) Message-ID: <20111107022027.GA89682@server.vk2pj.dyndns.org> In-Reply-To: <20111027222603.GA39946@server.vk2pj.dyndns.org>
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[-- Attachment #1 --] On 2011-Oct-28 09:26:03 +1100, Peter Jeremy <peter@server.vk2pj.dyndns.org> wrote: >I have a 16-CPU SunFire V890 running FreeBSD-current/sparc64 r226167. >Whilst doing some stress testing (6 parallel -j16 buildworlds with >regular "sysctl vm.vmtotal"), I have started seeing isp watchdog >timeouts. I didn't see this with similar testing on about r223035. Having done some more careful checks, I did find a couple of timeouts with an older kernel but it was quite rare whereas it's now fairly easy for me to trigger. >The messages look like: > >(da4:isp0:0:4:0): first watchdog (handle 0xb4d820d9) timed out- deferring for grace period >(da4:isp0:0:4:0): first watchdog (handle 0xb4d920ba) timed out- deferring for grace period >(da11:isp1:0:5:0): first watchdog (handle 0x5f0620c9) timed out- deferring for grace period >(da11:isp1:0:5:0): first watchdog (handle 0x5f07203a) timed out- deferring for grace period >(da11:isp1:0:5:0): first watchdog (handle 0x5f08208c) timed out- deferring for grace period >... marius@, mjacob@ and I are investigating this off-list. If anyone else is seeing something similar, I'd appreciate them contacting me. -- Peter Jeremy [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) iEYEARECAAYFAk63QGsACgkQ/opHv/APuIchUwCaAwDJZ+uY4GQB86oI/KOk63FM wtEAnitrusmtg/s3OaqcaHPqiaBoNZJJ =imta -----END PGP SIGNATURE-----help
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