On Fri, Oct 07, 2005 at 10:02:14AM +0100, Matthias Scheler wrote:
> none of the kernels I built on my NetBSD-current machine after the 4th of
> October worked stable for me. Wednesday's kernel crashed, yesterday's
> kernel frooze and today's kernel crashed with this panic message:
> 
> uvm_fault(0xc0555da0, 0xcecb6000, 0, 1) -> 0xe
> fatal page fault in supervisor mode
> trap type 6 code 0 eip c0351ccc cs 8 eflags 10202 cr2 cecb6e60 ilevel 0
> panic: trap
> Begin traceback...
> trap() at netbsd:trap+0x162
> --- trap (number 6) ---
> uvm_fault(cdc817ec,bfbf9000,0,1,cda31110) at netbsd:uvm_fault+0x108f
> trap() at netbsd:trap+0x35b
> --- trap (number 6) ---
> 0xbbb59f6c:
> End traceback...
> syncing disks... uvm_fault(0xc0555da0, 0xcecd3000, 0, 2) -> 0xe
> fatal page fault in supervisor mode
> trap type 6 code 2 eip c02fb065 cs 8 eflags 10282 cr2 cecd3ae8 ilevel 6
> panic: trap
> Begin traceback...
> trap() at netbsd:trap+0x162
> --- trap (number 6) ---
> genfs_putpages(cdcffab0,cdcffab7,c0606000,1,c04659c0) at netbsd:genfs_putpages+0x629
> VOP_PUTPAGES(cebf66a4,0,0,0,0) at netbsd:VOP_PUTPAGES+0x42
> ffs_full_fsync(cdcffbe0,cda31110,cdcffb68,c02a5823,cdcffb70) at netbsd:ffs_full_fsync+0x322
> ffs_fsync(cdcffbe0,2,cdcffc08,10001,c0465200) at netbsd:ffs_fsync+0x4f
> VOP_FSYNC(cebf66a4,cc7a0a80,0,0,0) at netbsd:VOP_FSYNC+0x4e
> ffs_sync(c278c000,2,cc7a0a80,cdc8c00c,cc7ab318) at netbsd:ffs_sync+0x239
> sys_sync(cda31110,0,0,0,100) at netbsd:sys_sync+0xcd
> vfs_shutdown(c048d7fe,5,0,0,cdcffcd4) at netbsd:vfs_shutdown+0x74
> cpu_reboot(100,0,fffd,c048691a,c02c6606) at netbsd:cpu_reboot+0x141
> panic(c0494054,6,0,c0351ccc,8) at netbsd:panic+0x11b
> trap() at netbsd:trap+0x162
> --- trap (number 6) ---
> uvm_fault(cdc817ec,bfbf9000,0,1,cda31110) at netbsd:uvm_fault+0x108f
> trap() at netbsd:trap+0x35b
> --- trap (number 6) ---
> 0xbbb59f6c:
> End traceback...

Here is what "gdb" gets out of the crash dump:

(gdb) where
#0  0xc065c000 in ?? ()
#1  0xc037074a in cpu_reboot (howto=260, bootstr=0x0)
    at /usr/src/sys/arch/i386/i386/machdep.c:752
#2  0xc02c5b4c in panic (fmt=0xc0494054 "trap")
    at /usr/src/sys/kern/subr_prf.c:244
#3  0xc03795f2 in trap (frame=0xcdcff8f0)
    at /usr/src/sys/arch/i386/i386/trap.c:296
#4  0xc010aec9 in calltrap ()
#5  0xc02f8251 in VOP_PUTPAGES (vp=0xcebf66a4, offlo=0, offhi=0, flags=17)
    at /usr/src/sys/kern/vnode_if.c:2015
#6  0xc024da26 in ffs_full_fsync (v=0xcdcffbe0)
    at /usr/src/sys/ufs/ffs/ffs_vnops.c:383
#7  0xc024d401 in ffs_fsync (v=0xcdcffbe0)
    at /usr/src/sys/ufs/ffs/ffs_vnops.c:277
#8  0xc02f7b5d in VOP_FSYNC (vp=0xcebf66a4, cred=0xcc7a0a80, flags=0, offlo=0, 
    offhi=0, p=0xcdc8c00c) at /usr/src/sys/kern/vnode_if.c:782
#9  0xc024b3e3 in ffs_sync (mp=<incomplete type>, waitfor=2, cred=0xcc7a0a80, 
    p=0xcdc8c00c) at /usr/src/sys/ufs/ffs/ffs_vfsops.c:1332
#10 0xc02efc7e in sys_sync (l=0xcda31110, v=0x0, retval=0x0)
    at /usr/src/sys/kern/vfs_syscalls.c:653
#11 0xc02ede4b in vfs_shutdown () at /usr/src/sys/kern/vfs_subr.c:2222
#12 0xc037075e in cpu_reboot (howto=256, bootstr=0x0)
    at /usr/src/sys/arch/i386/i386/machdep.c:738
#13 0xc02c5b4c in panic (fmt=0xc0494054 "trap")
    at /usr/src/sys/kern/subr_prf.c:244
#14 0xc03795f2 in trap (frame=0xcdcffd94)
    at /usr/src/sys/arch/i386/i386/trap.c:296
#15 0xc010aec9 in calltrap ()
#16 0xc03797eb in trap (frame=0xcdcfffa8)
    at /usr/src/sys/arch/i386/i386/trap.c:583

	Kind regards

-- 
Matthias Scheler                                  http://scheler.de/~matthias/