Date: Wed, 8 Feb 2006 10:42:11 -0500 From: John Baldwin <jhb@freebsd.org> To: Anton Barsukov <greeen.anton@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: kernel panic with pmap_qremove() Message-ID: <200602081042.12890.jhb@freebsd.org> In-Reply-To: <20060208164232.46c2bed5.greeen.anton@gmail.com> References: <20060128142323.046e186c.greeen.anton@gmail.com> <200602061458.36037.jhb@freebsd.org> <20060208164232.46c2bed5.greeen.anton@gmail.com>
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On Wednesday 08 February 2006 06:42, Anton Barsukov wrote: > On Mon, 6 Feb 2006 14:58:33 -0500 > > John Baldwin <jhb@freebsd.org> wrote: > > On Saturday 28 January 2006 04:23, Anton Barsukov wrote: > > > Hi everybody > > > > > > I install ports/benchmarks/forkbomb, > > > when i run '%forkbomb -f', kernel panic. > > > > > > instruction pointer = pmap_qremove(sva=4290785280, count=0) at > > > /usr/src/sys/i386/i386/pmap.c:896 > > > > > > FreeBSD 6.0-RELEASE(GENERIC) i386 > > > machine( MB -- P4P800SE, > > > CPU -- P4 3GHz, > > > RAM -- 2x512Mb ) > > > > I wasn't able to reproduce this. Are you still able to trigger this > > panic? > > > > -- > > John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ > > "Power Users Use the Power to Serve" = http://www.FreeBSD.org > > Yes, the panic still arises. > When I start under the user, kernel panics, under su the panic not present. > Custom kernel not panic. Hmm, the count=0 is suspect. The line numbers don't seem to line up though for pmap.c. Can you compile in DDB and KDB and capture a stack trace from ddb? -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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