Date: Wed, 6 Aug 2014 21:26:30 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Garrett Wollman" <wollman@bimajority.org>, <freebsd-stable@freebsd.org> Cc: freebsd-scsi@freebsd.org Subject: Re: 9.3-RELEASE still instapanics on multi-mps(4) servers Message-ID: <4DE72E01E8A64E98A31920FCFCAA5D26@multiplay.co.uk> References: <21474.34330.572142.206098@hergotha.csail.mit.edu>
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The stack from the panic would be a good start. ----- Original Message ----- From: "Garrett Wollman" <wollman@bimajority.org> To: <freebsd-stable@freebsd.org> Cc: <freebsd-scsi@freebsd.org> Sent: Wednesday, August 06, 2014 8:46 PM Subject: 9.3-RELEASE still instapanics on multi-mps(4) servers > 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. > > -GAWollman > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >
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