2vmcores with identical backtraces - any idea ?

[Daniel Dvořák]

Hi all,

do you have any idea what is happen to my pc ?

Bye
Dan

# kgdb kernel.debug /var/crash/vmcore.15
kgdb: kvm_nlist(_stopped_cpus):
kgdb: kvm_nlist(_stoppcbs):
[GDB will not be able to debug user-mode threads:
/usr/lib/libthread_db.so:
Unde                                                                            
fined symbol "ps_pglobal_lookup"]
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-marcel-freebsd".

Unread portion of the kernel message buffer:
panic: vm_fault: fault on nofault entry, addr: d6832000
Uptime: 5d5h46m4s
Physical memory: 503 MB
Dumping 152 MB: 137 121 105 89 73 57 41 25 9

#0  doadump () at pcpu.h:165
165             __asm __volatile("movl %%fs:0,%0" : "=r" (td));
(kgdb) backtrace
#0  doadump () at pcpu.h:165
#1  0xc057a2e3 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
#2  0xc057a596 in panic (
    fmt=0xc07f17f7 "vm_fault: fault on nofault entry, addr: %lx")
    at /usr/src/sys/kern/kern_shutdown.c:565
#3  0xc0716d09 in vm_fault (map=0xc104b000, vaddr=3598917632,
    fault_type=1 '\001', fault_flags=0) at /usr/src/sys/vm/vm_fault.c:279
#4  0xc078f11c in trap_pfault (frame=0xd4488bf8, usermode=0, eva=3598917632)
    at /usr/src/sys/i386/i386/trap.c:734
#5  0xc078edc1 in trap (frame=
      {tf_fs = 8, tf_es = 40, tf_ds = 40, tf_edi = -1016695512, tf_esi =
-696049                                                                            
666, tf_ebp = -733442940, tf_isp = -733443036, tf_ebx = -969673472,
tf_edx =
0,                                                                             
tf_ecx = 182, tf_eax = -320645846, tf_trapno = 12, tf_err = 0, tf_eip =
-1065823                                                                            
138, tf_cs = 32, tf_eflags = 66070, tf_esp = 52482, tf_ss = 2048})
    at /usr/src/sys/i386/i386/trap.c:435
#6  0xc077cb0a in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7  0xc078d45e in generic_bcopy () at /usr/src/sys/i386/i386/support.s:489
Previous frame inner to this frame (corrupt stack?)
(kgdb) quit


# kgdb kernel.debug /var/crash/vmcore.16
kgdb: kvm_nlist(_stopped_cpus):
kgdb: kvm_nlist(_stoppcbs):
[GDB will not be able to debug user-mode threads:
/usr/lib/libthread_db.so:
Unde                                                                            
fined symbol "ps_pglobal_lookup"]
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-marcel-freebsd".

Unread portion of the kernel message buffer:
panic: vm_fault: fault on nofault entry, addr: d6832000
Uptime: 14h11m10s
Physical memory: 503 MB
Dumping 82 MB: 67 51 35 19 3

#0  doadump () at pcpu.h:165
165             __asm __volatile("movl %%fs:0,%0" : "=r" (td));
(kgdb) backtrace
#0  doadump () at pcpu.h:165
#1  0xc057a2e3 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
#2  0xc057a596 in panic (
    fmt=0xc07f17f7 "vm_fault: fault on nofault entry, addr: %lx")
    at /usr/src/sys/kern/kern_shutdown.c:565
#3  0xc0716d09 in vm_fault (map=0xc104b000, vaddr=3598917632,
    fault_type=1 '\001', fault_flags=0) at /usr/src/sys/vm/vm_fault.c:279
#4  0xc078f11c in trap_pfault (frame=0xd4488bf8, usermode=0, eva=3598917632)
    at /usr/src/sys/i386/i386/trap.c:734
#5  0xc078edc1 in trap (frame=
      {tf_fs = 8, tf_es = 40, tf_ds = 40, tf_edi = -1017089892, tf_esi =
-696049                                                                            
666, tf_ebp = -733442940, tf_isp = -733443036, tf_ebx = -1017265664,
tf_edx =
0,                                                                             
tf_ecx = 473, tf_eax = -321040226, tf_trapno = 12, tf_err = 0, tf_eip =
-106582                                                                            
3138, tf_cs = 32, tf_eflags = 590358, tf_esp = 26617, tf_ss = 2048})
    at /usr/src/sys/i386/i386/trap.c:435
#6  0xc077cb0a in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7  0xc078d45e in generic_bcopy () at /usr/src/sys/i386/i386/support.s:489
Previous frame inner to this frame (corrupt stack?)
(kgdb) quit