Date: Tue, 2 Oct 2007 16:30:44 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Steven Schlansker <stevenschlansker@berkeley.edu> Cc: freebsd-current@freebsd.org, sos@FreeBSD.org Subject: Re: Repeatable kernel panic on -CURRENT using ZFS over SATA Message-ID: <20071002143044.GL1693@garage.freebsd.pl> In-Reply-To: <4701FE7C.8020200@berkeley.edu> References: <4701FE7C.8020200@berkeley.edu>
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--fz0LNKsoEivY4NpG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Oct 02, 2007 at 01:17:00AM -0700, Steven Schlansker wrote: > Hello everyone, > I recently set up a 6 drive SATA raidz2. Whenever I try to use the=20 > array, the dmesg fills up with warnings that WRITE_DMA must be retried=20 > (repeatedly) >=20 > As soon as I remove the load, everything runs fine. >=20 > FreeBSD scotch.CSUA.Berkeley.EDU 7.0-CURRENT FreeBSD 7.0-CURRENT #0: Tue= =20 > Sep 25 21:37:14 PDT 2007=20 > root@scotch.CSUA.Berkeley.EDU:/usr/obj/usr/src/sys/GENERIC i386 >=20 > 00:00.0 Host bridge: Intel Corporation 82840 840 (Carmel) Chipset Host=20 > Bridge (Hub A) (rev 01) > 00:01.0 PCI bridge: Intel Corporation 82840 840 (Carmel) Chipset AGP=20 > Bridge (rev 01) > 00:1e.0 PCI bridge: Intel Corporation 82801AA PCI Bridge (rev 02) > 00:1f.0 ISA bridge: Intel Corporation 82801AA ISA Bridge (LPC) (rev 02) > 00:1f.1 IDE interface: Intel Corporation 82801AA IDE (rev 02) > 00:1f.2 USB Controller: Intel Corporation 82801AA USB (rev 02) > 00:1f.3 SMBus: Intel Corporation 82801AA SMBus (rev 02) > 01:00.0 VGA compatible controller: nVidia Corporation NV5 [RIVA=20 > TNT2/TNT2 Pro] (rev 11) > 02:04.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado]=20 > (rev 78) > 02:06.0 Multimedia audio controller: Cirrus Logic CS 4614/22/24=20 > [CrystalClear SoundFusion Audio Accelerator] (rev 01) > 02:0e.0 PCI bridge: Digital Equipment Corporation DECchip 21152 (rev 03) > 03:05.0 RAID bus controller: Silicon Image, Inc. SiI 3114=20 > [SATALink/SATARaid] Serial ATA Controller (rev 02) > 03:06.0 RAID bus controller: Silicon Image, Inc. SiI 3512=20 > [SATALink/SATARaid] Serial ATA Controller (rev 01) > 03:0a.0 SCSI storage controller: Adaptec AIC-7899P U160/m (rev 01) > 03:0a.1 SCSI storage controller: Adaptec AIC-7899P U160/m (rev 01) >=20 >=20 >=20 > Dmesg with errors here: > http://soda.csua.berkeley.edu/~steven/dmesg.txt >=20 > The eventual end result: > http://soda.csua.berkeley.edu/~steven/Image053.jpg >=20 >=20 > The only references I can find to similar problems were either not=20 > resolved, or seemed to be related to a chipset which I am not using. >=20 > Is this a known issue? How can I make this machine stable? Is there=20 > any more information I can provide to aid debugging? Thanks so very much, This looks like a problem a couple of folks already reported. For me it looks like ATA bug, as if I recall correctly various controllers from various vendors are affected. Unfortunately Soren isn't very active lately. As a work-around you may try disabling write cache on your disks (hw.ata.wc=3D0 to /boot/loader.conf), but this may only help to mitigate the problem. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --fz0LNKsoEivY4NpG Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFHAlYUForvXbEpPzQRAilxAJ4mNgWKp/Dt2JkCMT0yCo1q844s5ACdEIf/ poX82HStrJl/2KGWjd1xiJk= =oQ1t -----END PGP SIGNATURE----- --fz0LNKsoEivY4NpG--
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