Date: Sun, 27 Jan 2008 00:01:03 -0800 From: "Michael Haro" <mharo@FreeBSD.org> To: "Joe Peterson" <joe@skyrush.com> 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: <4cd036390801270001u72363b72v84231956b173bf73@mail.gmail.com> In-Reply-To: <479BC21D.10607@skyrush.com> References: <479BAC09.7040505@freebsd.se> <20080126223750.GA8397@marshal.spacemarines.us> <479BC21D.10607@skyrush.com>
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On Jan 26, 2008 3:28 PM, Joe Peterson <joe@skyrush.com> wrote: > Remco van Bekkum wrote: > > Same here. On an amd64 system with 1x sata disk (Western Digital Caviar > > Green Power) on an amd690G chipset, with UFS and intensive disk activity > > the system hangs and in the end it may panic. I've csupped today and > > rebuild world & generic kernel but still it's very unstable, sometimes it > > even hangs when activating geom volumes at boot time... > > I must add that this is a new system so I'm not 100% sure the hardware is sane. > > Using ZFS it also crashed when doing intensive I/O. > > This is very interesting. It seems to there are several of us who are > experiencing something that *looks* like hardware (disk) issues when using 7.0. > > Could this be related to the mouse freeze issue? Could some process be > locking/grabbing the CPU at inopportune times and causing not only the > freezing symptoms but also reads/writes problems? > > Can anyone else using 7.0 who hasn't already (especially those using ZFS) > check his/her /var/log/messages for disk TIMEOUTs or other disk error > messages? If this is widespread, I think the chances re slim that it is a > hardware problem in every case. I've had this problem with Hitachi sata drives using a promise sata controller.
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