Date: Tue, 26 Jun 2001 11:18:41 -0700 (PDT) From: Dave Cornejo <dave@dogwood.com> To: "Justin T. Gibbs" <gibbs@scsiguy.com> Cc: Dave Cornejo <dave@dogwood.com>, John Baldwin <jhb@FreeBSD.ORG>, freebsd-current@FreeBSD.ORG Subject: Re: SCSI hangs w/SuperMicro 6010H Message-ID: <200106261818.f5QIIfg20434@white.dogwood.com> In-Reply-To: <200106261440.f5QEe8U17052@aslan.scsiguy.com> "from Justin T. Gibbs at Jun 26, 2001 08:40:08 am"
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Justin T. Gibbs wrote: > >John Baldwin wrote: > >> Hrmm, perhaps you are getting an interrupt storm from ahc. Ok, try > >> this: find the ahc driver's interrupt handler, and add a printf. > >> Then see if the printf fires while the machine is hung. > > > >Ok, I put a printf in ahc_handle_seqint() and ahc_handle_scsiint(). > > That won't catch all interrupts. Most notably, you won't know > if commands are completing. Command completions are much more > prevalent than sequencer or scsi interrupts. should I try and catch the command completions? which routine is best to do this in? btw, thanks very much for your help! dave c -- Dave Cornejo @ Dogwood Media, Fremont, California (also dcornejo@ieee.org) "There aren't any monkeys chasing us..." - Xochi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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