[issue530] crash from latest -HEAD

Peter Avalos bugs at crater.dragonflybsd.org
Wed Mar 7 20:34:22 PST 2007


Peter Avalos <pavalos at theshell.com> added the comment:

Ok, looks like I got another one from Jan 31 sources:

Fatal trap 12: page fault while in kernel mode
mp_lock = 00000000; cpuid = 0; lapic.id = 00000000
fault virtual address   = 0x24
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc028f21f
stack pointer           = 0x10:0xda9f5cdc
frame pointer           = 0x10:0xda9f5d84
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         = Idle
current thread          = pri 44 (CRIT)
 <- SMP: XXX
trap number             = 12
panic: page fault
mp_lock = 00000000; cpuid = 0; lapic.id = 00000000
boot() called on cpu#0

syncing disks... em0: watchdog timeout -- resetting
5
done
Uptime: 35d3h46m35s

(kgdb) bt
#0  dumpsys () at thread.h:83
#1  0xc01930bb in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:370
#2  0xc01933c0 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:767
#3  0xc02d7070 in trap_fatal (frame=0xda9f5c94, eva=Variable "eva" is not 
available.
) at /usr/src/sys/platform/pc32/i386/trap.c:1090
#4  0xc02d71b8 in trap_pfault (frame=0xda9f5c94, usermode=0, eva=36) 
at /usr/src/sys/platform/pc32/i386/trap.c:991
#5  0xc02d7861 in trap (frame=0xda9f5c94) 
at /usr/src/sys/platform/pc32/i386/trap.c:674
#6  0xc02c38f6 in calltrap () 
at /usr/src/sys/platform/pc32/i386/exception.s:783
#7  0x00000000 in ?? ()
#8  0xc028f21f in vm_pageout () at /usr/src/sys/vm/vm_pageout.c:787
Previous frame inner to this frame (corrupt stack?)

kernel, vmcore, and possible kernel modules are uploaded to my crash/ on 
leaf.  Look for *.2.

--Peter

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