Date: Sun, 8 Aug 2004 23:05:10 +0200 From: "Daniel Eriksson" <daniel_k_eriksson@telia.com> To: =?iso-8859-1?Q?'S=F8ren_Schmidt'?= <sos@DeepCore.dk> Cc: 'Ville-Pertti Keinonen' <will+freebsd-current@will.iki.fi> Subject: RE: ATA driver races with interrupts Message-ID: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA0VcX9IoJqUaXPS8MjT1PdsKAAAAQAAAAwYmfRX4L1UOyqBRdAqv9HQEAAAAA@telia.com> In-Reply-To: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA0VcX9IoJqUaXPS8MjT1PdsKAAAAQAAAAMYTGmVxmR0Oc6P/8t/P6dgEAAAAA@telia.com>
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I wrote: > Unfortunately the machine disconnected one of the SATA discs=20 > earlier today. It did so out-of-the-blue, because there was > no activity at all on either of the two discs other than the > SMART monitor. >=20 > Aug 5 11:45:47 fortify kernel: ad20: WARNING - removed from=20 > configuration > Aug 5 11:45:47 fortify kernel: ata10-master: FAILURE -=20 > unknown CMD (0xb0) > timed out > Aug 5 11:45:47 fortify smartd[882]: Device: /dev/ad20, not=20 > capable of SMART > self-check [...] > I have switched back to the patch from Ville-Pertti that > serializes the controller for now, to see if that is more > stable. After 3+ days of uptime, including continuous SMART monitoring (which without patch triggers an immediate disconnect, and with S=F6rens patch triggered a disconnect after ~16 hours) and a fair amount of disc = activity on both channels it looks like maybe the serialization patch from Ville-Pertti is enough to make my SATA controller work properly. Of = course, it also slows things down, but right now that is better than the alternative. S=F6ren, if you have any other patches you would like me to test just = let me know. /Daniel Eriksson
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