Date: Mon, 7 Mar 2005 16:05:39 -0500 From: Brian Reichert <reichert@numachi.com> To: Kris Kennaway <kris@FreeBSD.org> Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD 5.3 freezes under heavy hdd load Message-ID: <20050307210539.GJ90757@numachi.com> In-Reply-To: <20050307171244.GO22873@hub.freebsd.org> References: <1110213509.593.18.camel@p4-3200.local> <20050307171009.GA37856@e-Gitt.NET> <20050307171244.GO22873@hub.freebsd.org>
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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? 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... > Kris > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" -- Brian Reichert <reichert@numachi.com> 55 Crystal Ave. #286 Daytime number: (603) 434-6842 Derry NH 03038-1725 USA BSD admin/developer at large
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