Date: Wed, 1 Aug 2007 10:06:17 -0500 (CDT) From: Larry Rosenman <ler@lerctr.org> To: Gavin Atkinson <gavin.atkinson@ury.york.ac.uk> Cc: freebsd-stable@freebsd.org Subject: Re: Panic: Page not present: RELENG_6 Message-ID: <20070801100602.Q59551@thebighonker.lerctr.org> In-Reply-To: <20070801160323.N14630@ury.york.ac.uk> References: <20070727093524.K20208@thebighonker.lerctr.org> <20070801160323.N14630@ury.york.ac.uk>
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On Wed, 1 Aug 2007, Gavin Atkinson wrote: > On Fri, 27 Jul 2007, Larry Rosenman wrote: > >> Fatal trap 12: page fault while in kernel mode >> cpuid = 0; apic id = 00 >> fault virtual address = 0xffff803fff800058 >> fault code = supervisor read data, page not present >> instruction pointer = 0x8:0xffffffff803abb0e >> stack pointer = 0x10:0xffffffffb5ebfa40 >> frame pointer = 0x10:0xffffffffb5ebfa90 >> 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 = 57526 (sshd) >> trap number = 12 >> panic: page fault >> cpuid = 2 >> KDB: stack backtrace: >> panic() at panic+0x253 >> trap_fatal() at trap_fatal+0x2c6 >> trap_pfault() at trap_pfault+0x243 >> trap() at trap+0x298 >> calltrap() at calltrap+0x5 >> --- trap 0xc, rip = 0xffffffff803abb0e, rsp = 0xffffffffb5ebfa40, rbp = >> 0xffffffffb5ebfa90 --- >> pmap_remove_pages() at pmap_remove_pages+0xde >> vmspace_exit() at vmspace_exit+0x9a >> exit1() at exit1+0x38c >> sys_exit() at sys_exit+0xe >> syscall() at syscall+0x437 >> Xfast_syscall() at Xfast_syscall+0xa8 >> --- syscall (1, FreeBSD ELF64, sys_exit), rip = 0x8016a096c, rsp = >> 0x7fffffffc038, rbp = 0x53c240 --- >> Uptime: 36d18h48m54s > > How recent is the source used to build this kernel? > June 18th. FreeBSD thebighonker.lerctr.org 6.2-STABLE FreeBSD 6.2-STABLE #0: Mon Jun 18 14:32:04 CDT 2007 root@thebighonker.lerctr.org:/usr/obj/usr/src/sys/THEBIGHONKER amd64 > Gavin > -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 512-248-2683 E-Mail: ler@lerctr.org US Mail: 430 Valona Loop, Round Rock, TX 78681-3893
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