Re: panic in 11th Feb current

From: Andre Guibert de Bruet (andy_at_siliconlandmark.com)
Date: 02/13/04

  • Next message: Andre Guibert de Bruet: "Re: Upgrading world from 5.0-dp1 to 5.1-RELEASE" 
    Date: Fri, 13 Feb 2004 05:10:28 -0500 (EST)
To: Divacky Roman <xdivac02@stud.fit.vutbr.cz>

    On Fri, 13 Feb 2004, Divacky Roman wrote:

    > Fatal double fault:
    > eip = 0xc05babdc
    > esp = 0xc7f10ff4
    > ebp = 0xc7f11004
    > panic: double fault
    > at line 848 in file /usr/src/sys/i386/i386/trap.c
    >
    > that instruction was xchgl %ebx,in_Debugger
    >
    > then it switched to kernel debugger - I issued c (continue)
    > than it paniced again
    >
    > in vm_map.c:2870

    Source from the 11th indicates that this line number to points to a
    vm_map_lock_read() call inside vm_map_lookup() which would be called on a
    page fault.

    > stray iqr 9
    > _mtx_lock_sleep: recursed on non-recursive mutex
    > kern_mutex.c:436

    Ouch.

    > I have kernel dump which I can provide (but my kernel is not -g
    > compiled)

    Run an "nm /boot/kernel/kernel |sort" and report the function names and
    addresses of the functions just above and below the eip (0xc05babdc).

    Regards,

    > Andre Guibert de Bruet | Enterprise Software Consultant >
    > Silicon Landmark, LLC. | http://siliconlandmark.com/ >

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