Strange vkernel crash

Matthew Dillon dillon at apollo.backplane.com
Tue Apr 3 13:41:04 PDT 2007


:...
:#19 0x081f59e4 in kern_trap (frame=0x8250640) at ../../platform/vkernel/i386/tr
:ap.c:688
:#20 0x081f6645 in exc_segfault (signo=11, info=0x5877ab5c, ctxp=0x5877a87c)
:    at ../../platform/vkernel/i386/exception.c:94
:#21 0xbfbfffd8 in ?? ()
:#22 0x0000000b in ?? ()
:#23 0x5877ab5c in ?? ()
:#24 0x5877a87c in ?? ()
:#25 0x00000000 in ?? ()
:#26 0x081f6631 in init_exceptions () at ../../platform/vkernel/i386/exception.c
::74
:#27 0x081d5b76 in vm_fault_page (map=0x58772f00, vaddr=0, fault_type=0 '\0', 
:fault_flags=136644160,
:    errorp=0x5877ac94) at ../../vm/vm_fault.c:579
:#28 0x081f8351 in copyout (kaddr=0x5877acbb, udaddr=0xbfbfffff, len=1)
:    at ../../platform/vkernel/platform/copyio.c:169
:#29 0x081f842c in subyte (base=0x3, byte=3) at ../../platform/vkernel/platform/
:copyio.c:212
:#30 0x08091994 in start_init (dummy=0x0) at ../../kern/init_main.c:530
:#31 0x081f6796 in fork_trampoline () at ../../platform/vkernel/i386/fork_tramp.
:s:78
:
:What is going on here?
:------
:Dave Hayes - Consultant - Altadena CA, USA - dave at jetcafe.org 
:>>> The opinions expressed above are entirely my own <<<

    Good question.  Is it repeatable?  Clearly something in copyout() is
    not happy.

					-Matt
					Matthew Dillon 
					<dillon at backplane.com>





More information about the Kernel mailing list