Date: Sat, 26 Jan 2008 23:22:51 -0700 From: Joe Peterson <joe@skyrush.com> To: Jeremy Chadwick <koitsu@FreeBSD.org> Cc: Remco van Bekkum <remco@spacemarines.us>, Nikolaj Farrell <nixx@freebsd.se>, freebsd-stable@freebsd.org Subject: Re: ad8: TIMEOUT - WRITE_DMA errors UFS 7.0-RC1 Message-ID: <479C233B.3000708@skyrush.com> In-Reply-To: <20080127035814.GB91290@eos.sc1.parodius.com> References: <479BAC09.7040505@freebsd.se> <20080126223750.GA8397@marshal.spacemarines.us> <479BC21D.10607@skyrush.com> <20080127035814.GB91290@eos.sc1.parodius.com>
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Jeremy Chadwick wrote: >> If this is widespread, I think the chances re slim that it is a >> hardware problem in every case. > > I'm in definite agreement here. I think it might be worthwhile to note > what hardware we're all using, in case there's something similar between > our systems (chipset, disk vendor, etc.). > > My system is as follows; timeouts were reported during an rsync of data > from the ZFS stripe (ad8+ad10) to a UFS2 filesystem on ad6. System > eventually panic'd after remaining deadlocked (while kernel messages > about timeouts kept printing on the console for ad6 only) for 10-15 > minutes. > > * MB: Supermicro PDSMI+ (Intel ICH7-based) > * CPU: Intel Core 2 Duo E6600 > * RAM: Corsair CM2X1024-6400 DDR2, 2GB > * ad4: WD Caviar SE WD2000JD (boot/OS) > * ad6: Seagate Barracuda 7200.10 ST3500630AS > * ad8: WD Caviar SE16 WD5000AAKS (ZFS stripe) > * ad10: WD Caviar SE16 WD5000AAKS (ZFS stripe) > * All drives are hooked up to the ICH7. > * SMART stats showed no problems on any of the drives before or after. > * RELENG_7, i386, ULE scheduler. Mine is as follows: * MB: Tyan Trinity S2099 * CPU: Pentium 4, 2.4GHz * RAM: Crucial DDR, ECC, CL2.5, Unbuffered 2GB (1/2 PC2100, 1/2 PC2700) * ad0: Seagate ST3500630A 3.AAE (1 UFS2 boot, 1 ZFS pool) * ad1: Seagate ST3160812A 3.AAH (not used by FreeBSD) * Intel ICH4 UDMA100 controller * ATI Radeon RV280 9250 * Intel PRO/1000 NIC * 7.0-RC1, i386, ULE scheduler -Joe
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