Date: Mon, 19 Sep 2011 21:06:59 +0200 From: Marius Strobl <marius@alchemy.franken.de> To: Thomas Vogt <freebsdlists@bsdunix.ch> Cc: stable@freebsd.org Subject: Re: mpt0 timeouts with an intel SASUC8I controller Message-ID: <20110919190659.GA76654@alchemy.franken.de> In-Reply-To: <94E5E0D6-3062-44A2-8ED3-3C3D44FA7A09@bsdunix.ch> References: <94E5E0D6-3062-44A2-8ED3-3C3D44FA7A09@bsdunix.ch>
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On Mon, Sep 19, 2011 at 02:45:04PM +0200, Thomas Vogt wrote: > Hello > > I've stability issue with my new intel SASUC8I [1] PCIe controller. It's a LSI 1068e based controller. After a few minutes with disk io (csup or scrub by example) my FreeBSD 8-stable (64bit) is "freezing" for a couple of minutes and I see a lot of error messages like: > > Sep 17 03:10:03 gw kernel: mpt0: request 0xffffff80002bc3b0:48367 timed out for ccb 0xffffff00050a8000 (req->ccb 0xffffff00050a8000) > Sep 17 03:10:03 gw kernel: mpt0: request 0xffffff80002bbb40:48368 timed out for ccb 0xffffff0004f81800 (req->ccb 0xffffff0004f81800) > Sep 17 03:10:03 gw kernel: mpt0: completing timedout/aborted req 0xffffff80002bc3b0:48367 > Sep 17 03:10:03 gw kernel: mpt0: completing timedout/aborted req 0xffffff80002bbb40:48368 > Sep 17 03:10:03 gw kernel: mpt0: Timedout requests already complete. Interrupts may not be functioning > If this really is an issue with interrupts not getting delivered you could try whether disabling MSI/MSI-X by setting hw.pci.enable_msi=0 and hw.pci.enable_msix=0 either on the loader prompt or via loader.conf works around it. Marius
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