Date: Mon, 11 Aug 2014 14:54:06 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Bengt Ahlgren" <bengta@sics.se>, "Garrett Wollman" <wollman@bimajority.org> Cc: freebsd-scsi@freebsd.org, freebsd-stable@freebsd.org Subject: Re: 9.3-RELEASE still instapanics on multi-mps(4) servers Message-ID: <4950FD3896C0468D83A599AC104E4D7A@multiplay.co.uk> References: <21474.34330.572142.206098@hergotha.csail.mit.edu> <uh7ha1jryjg.fsf@P142s.sics.se>
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----- Original Message ----- From: "Bengt Ahlgren" <bengta@sics.se> > Garrett Wollman <wollman@bimajority.org> writes: > >> Remember about six months ago when I tested 9-stable on one of my big >> NFS servers, and had it panic in the middle of the USB probe, but >> ultimately bisected the problem to an update to the mps(4) driver? I >> had to stop investigating and get the server working (which I did, by >> installing 9.2 instead of something newer and presumably faster). >> I'm >> at the point now where I'd like to upgrade my file servers to 9.3, >> and >> I can't, because of this issue, so it's time to start tracking down >> the bug again. >> >> I have two test servers now. 9.3 works just fine on one of them, and >> panics on the other. The one it works on is slightly older, and has >> an mpt(4) controller for the boot drives, as opposed to the system >> where the panic happens, which is mps(4)-only. Both systems have two >> SAS2116 controllers for external drives; the ones on the working >> system have drives attached, and the ones on the non-working system >> are not connected to anything (and in fact disabled in the BIOS for >> now). >> >> Any experts want to suggest where to start (besides, obviously, >> attaching a serial console, which I haven't done yet)? I saw one >> change in the svn logs for 9.3 prior to the release which looked like >> it might be a relevant fix, but it clearly hasn't improved anything >> for my servers. > > I have a dual-mps (one Dell H200 and one LSI 9207) system now running > 9.1 (w patched sys/kern/kern_intr.c) that I intend to upgrade to 9.3 > shortly. Is it enough to boot a 9.3 memstick to provoke the issue? I would take this thread with a pinch of salt until it can be proved its not a hardware issue. Regards Steve
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