On Mon, Mar 07, 2005 at 04:05:39PM -0500, Brian Reichert wrote: > On Mon, Mar 07, 2005 at 05:12:44PM +0000, Kris Kennaway wrote: > > It is necessary to increase KSTACK_PAGES (e.g. to 4) on machines with > > certain patterns of heavy disk write load to avoid double faults in > > the softupdates code (softupdates has potentially unbounded call stack > > and can overflow the default kernel stack size without too much > > effort). > > Can these 'certain patterns' be characterized?
Probably combinations of lots of writes and removes of directories. > I've got a system > that hangs on haavy rsync usage, where the file sizes can me measured > in a half-gig or more... > > > This would cause panics though, not freezes. > > I can't tell remotely if all of my hangs are panics, as it's a > remote box. Once, on the console of a hung box, I found > > panic: worklist_remove: not on list > > This box did not reboot of it's own accord, and has wedged again > under a similar workload... That's probably different - as I said, the problem I'm talking about causes double faults. Kris _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
