Date: Tue, 20 Jul 2004 09:50:42 +0200 From: "Daniel Eriksson" <daniel_k_eriksson@telia.com> To: "'Scott Long'" <scottl@freebsd.org> Cc: freebsd-current@freebsd.org Subject: RE: HEADS UP [Re: thread+preemption stability improvement] Message-ID: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA0VcX9IoJqUaXPS8MjT1PdsKAAAAQAAAAj3hshzbQY0y7NIUIgdC2yQEAAAAA@telia.com> In-Reply-To: <40FCC1AA.9060609@freebsd.org>
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Scott Long wrote: > Thanks for the report. I'm sure that there is a bug of some=20 > sort in the > ATA driver that is being exposed by PREEMPTION, but I'm also going to > consider turning off preemption in the next day or two since=20 > this isn't > the only lingering problem. I don't know if my SATA problems are at all related to the problems I've seen with GBDE, GEOM stripe, GEOM vinum and "old" vinum, but I probably should mention them. They show up with or without preemption turned on. * GEOM BDE disc encryption seems to work, until it's time to tear it = down and reboot the machine. It always claims the device is busy when I try = to unmount the file system, and if I use the -f flag to unmount it panics = the machine. Skipping the unmount results in a panic during shutdown. * GEOM stripe made all discs that were part of ataraid arrays time out = when I tried to create a simple striped array (from two single discs). Since = the system was live, and processes were accessing the ataraid arrays, the machine eventually panicked in some vfs function. * GEOM vinum starts up fine, but as soon as I start accessing arrays = (raid-1 and raid-0) it looses its discs, crashing the arrays. * "old" vinum panics with a dangling vnode (when it starts up) if I run = a normal boot. If I boot single-user and then manually start vinum it = works fine. /Daniel Eriksson
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