Date: Sun, 21 Feb 2010 20:50:47 +0100 From: "C. P. Ghost" <cpghost@cordula.ws> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable@freebsd.org Subject: Re: panic - sleeping thread on FreeBSD 8.0-stable / amd64 Message-ID: <d74eb87c1002211150iec5e7c0pa36d297e0852aaee@mail.gmail.com> In-Reply-To: <d74eb87c1002201912jaa4b519s494f5508c046e66a@mail.gmail.com> References: <20100131144217.ca08e965.torfinn.ingolfsen@broadpark.no> <20100131175639.86ba9aee.torfinn.ingolfsen@broadpark.no> <20100207163631.da7205fc.torfinn.ingolfsen@broadpark.no> <20100213192404.5e15b5eb.torfinn.ingolfsen@broadpark.no> <20100217091625.d0e74570.torfinn.ingolfsen@broadpark.no> <20100220202108.e1dd1b74.torfinn.ingolfsen@broadpark.no> <20100220193718.GA33214@icarus.home.lan> <20100220224959.c424dd9e.torfinn.ingolfsen@broadpark.no> <20100220233546.GA36973@icarus.home.lan> <d74eb87c1002201912jaa4b519s494f5508c046e66a@mail.gmail.com>
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On Sun, Feb 21, 2010 at 4:12 AM, C. P. Ghost <cpghost@cordula.ws> wrote: > On Sun, Feb 21, 2010 at 12:35 AM, Jeremy Chadwick <freebsd@jdc.parodius.com> wrote: >> >> Some Linux users have reported AHCI-related issues with the SB600 >> southbridge, but the core of the problem turned out to be MSI on certain >> AMD northbridges (specifically RS480, RS400, and RS200). > > Just one more data point. > > I have a machine with similar hardware: an MSI K9A2GM-FIH motherboard: > http://eu.msi.com/index.php?func=proddesc&maincat_no=1&prod_no=1436 > with an AMD 780G chipset and AMD SB700 SATA controller, > and I experienced freezes after switching to AHCI. > > Those freezes happened e.g. after some sustained random disk activity, > followed by starting 'dvdisaster'. Then the HDD LED started to blink > slooooowwwwly, every 10 seconds on, then off and again. No more disk > activity on the aha0 controller was possible. The system remained responsive > as long as it didn't involve disk activity (i.e. pings, mouse, keyboard etc.., > but not starting new processes). I just had a new crash with these symptoms, again exactly when starting 'dvdisaster'. dmesg then shows a lot of those: ahcich0: Timeout on slot 20 ahcich0: is 04000000 cs fff00007 ss fff00007 tfd 451 serr 00400000 ahcich0: port is not ready (timeout 10000ms) tfd = 00000480 repeating for multiple ports with different values, but every time with tfd = 00000480, whatever that may be. Obviously, the 10000ms timeout corresponds to the 10 seconds period of the HDD LED going on and off when the machine is in that state. I didn't test this yet with msi disabled: % sysctl -a | grep msi hw.bce.msi_enable: 1 hw.pci.honor_msi_blacklist: 1 hw.pci.enable_msix: 1 hw.pci.enable_msi: 1 hw.drm.msi: 1 Thanks, -cpghost. -- Cordula's Web. http://www.cordula.ws/
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