Date: Wed, 02 Mar 2011 21:27:08 +0200 From: Andriy Gapon <avg@freebsd.org> To: Robert Schulze <rs@bytecamp.net> Cc: freebsd-fs@freebsd.org Subject: Re: kern/154681: [zfs] [panic] panic with FreeBSD-8 STABLE Message-ID: <4D6E9A0C.4090704@freebsd.org> In-Reply-To: <201103021010.p22AAAHI083536@freefall.freebsd.org> References: <201103021010.p22AAAHI083536@freefall.freebsd.org>
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on 02/03/2011 12:10 Robert Schulze said the following: > The following reply was made to PR kern/154681; it has been noted by GNATS. > > From: Robert Schulze <rs@bytecamp.net> > To: bug-followup@freebsd.org > Cc: > Subject: Re: kern/154681: [zfs] [panic] panic with FreeBSD-8 STABLE > Date: Wed, 02 Mar 2011 11:02:07 +0100 > > Hi, > > bumping that up, the problem still exists with FreeBSD-8.2-STABLE csup'd > and built yesterday. In the debugger, I did a "continue", maybe these > information are valuable: "bt" command would have been far more useful. Looks like a NULL pointer problem somewhere. > --- > Fatal trap 12: page fault while in kernel mode > cpuid = 1; apic id = 01 > fault virtual address = 0x29 > fault code = supervisort read data, page not present > instruction pointer = 0x20:0xffffffff80173330 > stack pointer = 0x28:0xffffff80000b6af0 > frame pointer = 0x28:0xffffff80000b6b20 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1, def 32 0, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 12 (swi2: cambio) > [thread pid 12 tid 100024 ] > Stopped at camisr_runqueue+0x6e: cmpq %rax,0x28(%rdx%) > --- > > I may provider further debugging information if I get a hint which > information and how to do so. -- Andriy Gapon
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