Date: Tue, 12 Dec 2006 15:22:22 +0300 From: Dmitriy Kirhlarov <dimma@higis.ru> To: stable@freebsd.org Subject: Re: RELENG_6 panic under heavy load Message-ID: <20061212122221.GE39171@dkirhlarov.mow.oilspace.com> In-Reply-To: <200612071118.52922.davidxu@freebsd.org> References: <20061113084430.GE59604@dimma.mow.oilspace.com> <20061116102436.GN32700@FreeBSD.org> <20061116111525.GO32700@FreeBSD.org> <200612071118.52922.davidxu@freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, Dec 07, 2006 at 11:18:52AM +0800, David Xu wrote: > On Thursday 16 November 2006 19:15, Gleb Smirnoff wrote: > > On Thu, Nov 16, 2006 at 01:24:36PM +0300, Gleb Smirnoff wrote: > > T> I wonder why UMA was suspected to be the problem. Dima gave > > T> me access to the core. Here are more details from the trace: > > > > It looks like a race between two threads in one process. Look here: > > > Can you try the patch ? > http://people.freebsd.org/~davidxu/patch/ksegrp_preempt.patch I've tested it. This patch works also, but with a little bit different behaviour. With patch from jhb@ I got LA 7-8, with this patch I have LA 5-6, same as on unpatched system. But it seems to me, that system is less interactive, compared to jhb@ patch. WBR Dmitriy
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20061212122221.GE39171>