Date: Fri, 03 Jul 2009 07:27:09 -0500 From: Robert Noland <rnoland@FreeBSD.org> To: Ian J Hart <ianjhart@ntlworld.com> Cc: freebsd-stable@freebsd.org Subject: Re: trap 12 Message-ID: <1246624029.1855.58.camel@balrog.2hip.net> In-Reply-To: <20090703100627.197838cphjnil82s@10.248.192.16> References: <20090703100627.197838cphjnil82s@10.248.192.16>
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[-- Attachment #1 --] On Fri, 2009-07-03 at 10:06 +0100, Ian J Hart wrote: > Is this likely to be hardware? Details will follow if not. > > [copied from a screen dump] > > Fatal trap 12: page fault while in kernel mode > cpuid = 1; apic id = 01 > fault virtual address = 0x0 > fault code = supervisor write data, page not present > instruction pointer = 0x8:0xffffffff807c6c12 > stack pointer = 0x10:0xffffffff510e7890 > frame pointer = 0x10:0xffffff00054a6c90 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1 def32 0, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 75372 (printf) > trap number = 12 > panic: page fault > cpuid = 1 > uptime: 8m2s > Cannot dump. No dump device defined. > I would doubt it. Are you using drm, with the radeon driver? There are a few corner cases where this can happen. http://people.freebsd.org/~rnoland/drm_radeon-copyin-fix-try2.patch should help if this is the case. robert. -- Robert Noland <rnoland@FreeBSD.org> FreeBSD [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.11 (FreeBSD) iEYEABECAAYFAkpN+R0ACgkQM4TrQ4qfROMBhgCfREpGKBY6NxK+Bptuf8KcrYMe ApUAnjIzmHjIiZUiOEl3j81Dqve5s3Ac =pfKV -----END PGP SIGNATURE-----
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