Date: Thu, 04 Jun 1998 19:46:57 +0200 From: Mark Murray <mark@grondar.za> To: "Justin T. Gibbs" <gibbs@plutotech.com> Cc: gibbs@FreeBSD.ORG, scsi@FreeBSD.ORG Subject: Re: Error: "Timedout SCB handled by another timeout" Message-ID: <199806041746.TAA03903@greenpeace.grondar.za>
next in thread | raw e-mail | index | archive | help
"Justin T. Gibbs" wrote: > >I am still getting the error "Timedout SCB handled by another timeout", > >which only happens in SMP mode. I ran for 8 days in UP mode, and the > >machine was rock-steady. > > Can you change that printf into a panic and poke around the timeout > code when it occurs. You'll probably want to have remote GDB setup > for this. I really think that the problem has little to do with CAM, > but is some kind of race in the processing of clock interrupts that > causes the timeout queues to become corrupted. Just going up the > stack should bring you into the generic timeout facility code and > hopefully something will be obviously corrupted. OK - will do. It will have to wait a few weeks, though. I'm off on a bit of well deserved vacation (and Usenix; see you there?). I'll do this properly when I am back and rested. Right now I am stressed an panicky, and I have the concentation of a 5-year old. ;-) M -- Mark Murray Join the anti-SPAM movement: http://www.cauce.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199806041746.TAA03903>