[Gllug] (no subject)

[Simon A. Boggis]

On Thu, 2002-11-14 at 16:16, Ronen Amity wrote:
> Hi there,
> 
> can someone help me understand this error ?
> 
> ronen.
> 
> 
> Nov 14 17:39:29 degas kernel:  <1>Unable to handle kernel NULL pointer 
> dereference at virtual address 00000014
> Nov 14 17:39:29 degas kernel:  printing eip:
> Nov 14 17:39:29 degas kernel: f89f08f8
> Nov 14 17:39:29 degas kernel: *pde = 00000000
> Nov 14 17:39:29 degas kernel: Oops: 0002
> Nov 14 17:39:29 degas kernel: binfmt_misc mvfs nfs lockd sunrpc eepro100 
> usb-ohci usbcore aic7xxx sd_mod scs
> Nov 14 17:39:29 degas kernel: CPU:    0
> Nov 14 17:39:29 degas kernel: EIP:    0010:[<f89f08f8>]    Tainted: PF
> Nov 14 17:39:29 degas kernel: EFLAGS: 00010286
> Nov 14 17:39:29 degas kernel:
> Nov 14 17:39:29 degas kernel: EIP is at mvfs_rhat_lock [mvfs] 0x98 
> (2.4.18-3custom)
> Nov 14 17:39:29 degas kernel: eax: 00000000   ebx: 00000000   ecx: 
> e5e97c40   edx: e5e97c40
> Nov 14 17:39:29 degas kernel: esi: dba51f10   edi: c4fbb240   ebp: 
> dba51ee4   esp: dba51ecc
> Nov 14 17:39:29 degas kernel: ds: 0018   es: 0018   ss: 0018
> Nov 14 17:39:29 degas kernel: Process filelocking (pid: 17064, 
> stackpage=dba51000)
> Nov 14 17:39:29 degas kernel: Stack: 00000000 00000282 dfb2f94c 00000000 
> dba51f10 dba51f10 bfffd250 c0154fcf
> Nov 14 17:39:29 degas kernel:        c4fbb240 00000005 dba51f10 00000000 
> c4fbb240 00000001 7ffffffa 00000002
> Nov 14 17:39:29 degas kernel:        00000000 dba50654 dba50000 00000000 
> c0108906 dba50654 00000000 00003da9
> Nov 14 17:39:29 degas kernel: Call Trace: [<c0154fcf>] fcntl_getlk [kernel] 
> 0xcf
> Nov 14 17:39:29 degas kernel: [<c0108906>] do_signal [kernel] 0x66
> Nov 14 17:39:29 degas kernel: [<c0109290>] do_int3 [kernel] 0x0
> Nov 14 17:39:29 degas kernel: [<c0151229>] do_fcntl [kernel] 0x1b9
> Nov 14 17:39:29 degas kernel: [<c0151401>] sys_fcntl64 [kernel] 0x81
> Nov 14 17:39:29 degas kernel: [<c0108c6b>] system_call [kernel] 0x33
> Nov 14 17:39:29 degas kernel:
> Nov 14 17:39:29 degas kernel:
> Nov 14 17:39:29 degas kernel: Code: f0 ff 48 14 89 7e 28 83 ec 0c ff 75 f0 
> e8 96 3d fe ff 89 d8

Your linux kernel has hit a bug - you probably should reboot ASAP even
if it is still running. 

As to how to understand it, you can look at the documentation in the
linux kernel (in /usr/src/linux/Documentation/oops-tracing.txt, assuming
your kernel source is in /usr/src/linux).

Google (for "oops + linux + kernel") gave, amongst others, the slides
for a talk given to GLLUG (:

http://www.urbanmyth.org/linux/oops/

Simon

-- 
----------------------------------------------------------------------
Dr Simon A. Boggis                                  Systems Programmer
Department of Computer Science,                     Tel. 020 7882 7522
Queen Mary, University of London, London E1 4NS UK. 
---- GPG public key <http://www.dcs.qmul.ac.uk/~simon/#publickey> ----


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