Re: kernel panic under nfs load

And another when using smbfs:

uvm_fault(0xc8c68000, 0, 1) -> 0xe
kernel: supervisor trap page fault, code=0
Stopped in pid 938.1 (umount) at       
netbsd:smbfs_root+0x18: movl    0x24
(%es
i),%eax
db> bt
smbfs_root(c0860000,c95e6ab8,0,c0334a15,c95e6a90) at
netbsd:smbfs_root+0x18
lookup(c95e6bc8,20002,400,c95e6be0,3ea) at
netbsd:lookup+0x2c0
namei(c95e6bc8,bfbfe548,64,c06f1c60,8e00) at
netbsd:namei+0x127
sys___lstat30(c8c6bc60,c95e6c48,c95e6c68,bbbb6148,bbbb6000)
at 
netbsd:sys___lsta
t30+0x49
syscall_plain() at netbsd:syscall_plain+0xb9
--- syscall (number 389) ---
0xbbbb614f:
db>

Sarton


On Tue, 27 Feb 2007, Sarton O'Brien wrote:
> Hey,
>
> This of use to anybody?
>
> db> bt
> cpu_Debugger(c040ed4f,c9662a18,0,0,c9662a18) at
netbsd:cpu_Debugger+0x4
> panic(c040a801,c0409752,c03f1614,c0403078,c047d7e0) at
netbsd:panic+0x155
> lockdebug_abort(0,c047d7e0,c043beb0,c03f1614,c0403078)
at
> netbsd:lockdebug_abort
> +0x61
> mutex_abort(c047d7e0,c03f1614,c0403078,0,1) at
netbsd:mutex_abort+0x3c
>
mutex_vector_enter(c047d7e0,0,c0839400,c047e460,c9863378)
at
> netbsd:mutex_vector
> _enter+0x12f
> turnstile_wakeup(c8c6ca14,1,1,0,c99d04b0) at
netbsd:turnstile_wakeup+0xc4
> mutex_vector_exit(c9863378,3f80000,0,32aa00,0) at
> netbsd:mutex_vector_exit+0xff
> nfs_doio_write(c9662bf0,0,c9662bec,c02dd4d2,c961d700)
at
> netbsd:nfs_doio_write+0
> x4a2
> nfs_doio(c08a6378,100,c0403e41,0,c0470fe0) at
netbsd:nfs_doio+0x1aa
> nfssvc_iod(c961d700,0,0,c01001f5,c961d700) at
netbsd:nfssvc_iod+0xce
> start_nfsio(c961d700,0,c01001e7,c01001df,c01001e7) at
> netbsd:start_nfsio+0x13 db>
> db> reboot
> syncing disks... Mutex error: mutex_vector_enter:
locking against myself
>
> lock address : 0x00000000c047d7e0
> current cpu  :                  0
> current lwp  : 0x00000000c961d700
> owner field  : 0x0000000000010b00 wait/spin:           
    0/1
>
> panic: lock error
> Stopped in pid 223.1 (nfsio) at
netbsd:cpu_Debugger+0x4:        popl   
> %ebp
>
>
> It occurred when I redirected some p2p activity to an
nfs share ...
>
> NetBSD babylon.internal 4.99.13 NetBSD 4.99.13
(XEN3_DOMU) #3: Tue Feb 27
> 15:53:51 EST 2007
> rootspike.internal:/usr/obj/sys/arch/i386/compile/XEN3_DO
MU i386
>
> Let me know if there is anything else I can do.
>
> Sarton