Date: Sun, 3 Feb 2002 22:48:43 -0500 (EST) From: Robert Watson <rwatson@freebsd.org> To: hh <hh@dsgx.org> Cc: questions@freebsd.org Subject: Re: crashs on 4.5RC Message-ID: <Pine.NEB.3.96L.1020203224749.22706F-100000@fledge.watson.org> In-Reply-To: <20020203201654.7cd0390f.hh@dsgx.org>
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On Sun, 3 Feb 2002, hh wrote: > > Fatal trap 12: page fault while in kernel mode > > fault virtual address = 0x28 > > fault code = supervisor read, page not present > > instruction pointer = 0x8:0xc020646c > > stack pointer = 0x10:0xc034c384 > > frame pointer = 0x10:0xc034c3a4 > > code segment = base 0x0, limit 0xfffff, type 0x1b > > = DPL 0, pres 1, def32 1, gran 1 > > processor eflags = interrupt enabled, resume, IOPL = 0 > > current process = Idle > > interrupt mask = > > trap number = 12 > > panic: page fault That's a NULL pointer dereference in some or another piece of kernel code -- the 0x28 as a fault address indicates that a structure pointer was dereferenced. Can you recompile with options DDB and get a stack trace? Robert N M Watson FreeBSD Core Team, TrustedBSD Project robert@fledge.watson.org NAI Labs, Safeport Network Services To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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