Date: Sun, 19 Oct 2003 21:01:51 -0400 From: Mike Tancsa <mike@sentex.net> To: Alex Povolotsky <tarkhil@webmail.sub.ru>, freebsd-stable@freebsd.org Subject: Re: Repeated panics with 4.8-RELEASE Message-ID: <6.0.0.22.0.20031019210120.090afd30@209.112.4.2> In-Reply-To: <20031020004036.658045a7.tarkhil@webmail.sub.ru> References: <20031020004036.658045a7.tarkhil@webmail.sub.ru>
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Try building a debug kernel to compare against your core dump. It will give
more information.
---Mike
At 04:40 PM 19/10/2003, Alex Povolotsky wrote:
>Hello!
>
>I'm experiencing repeated (1-4 times a week) non-reproductable panics on
>4.8-RELEASE-p13. Actually, they have begun with 4.5-RELEASE, and I hoped
>that upgrade helped me.
>
>Fatal trap 12: page fault while in kernel mode
>mp_lock = 00000002; cpuid = 0; lapic.id = 03000000
>fault virtual address = 0x6c
>fault code = supervisor write, page not present
>instruction pointer = 0x8:0xc0273145
>stack pointer = 0x10:0xe7e95dc8
>frame pointer = 0x10:0xe7e95de8
>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 = 77770 (suexec)
>interrupt mask = none <- SMP: XXX
>trap number = 12
>panic: page fault
>mp_lock = 00000002; cpuid = 0; lapic.id = 03000000
>boot() called on cpu#0
>
>(kgdb) where
>#0 0xc017f142 in dumpsys ()
>#1 0xc017ef13 in boot ()
>#2 0xc017f36c in poweroff_wait ()
>#3 0xc0274830 in trap_fatal ()
>#4 0xc02744c1 in trap_pfault ()
>#5 0xc027405f in trap ()
>#6 0xc0273145 in setlock ()
>#7 0xc3a222ba in ?? ()
>#8 0xc01ad903 in vrele ()
>#9 0xc01b4507 in vn_close ()
>#10 0xc01b4e47 in vn_closefile ()
>#11 0xc0174a03 in fdrop ()
>#12 0xc017494b in closef ()
>#13 0xc0173d4d in close ()
>#14 0xc0274b61 in syscall2 ()
>#15 0xc026224b in Xint0x80_syscall ()
>#16 0x2804e718 in ?? ()
>#17 0x2804d84f in ?? ()
>
>Panic is ALWAYS in somewhere under Xint0x80_syscall. ALWAYS @Supervisor
>read"; different programs all the time.
>
>I think it is somethiung hardware-related, but what? The box is a little
>aged Intel ISP, 2 CPUs, 3 SCSI disks; correlation with disk activity is
>REALLY slight.
>
>Any ideas, what should I test? I don't get any random sig11.
>--
>Alex.
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