Problems after upgrade FC1 to FC3 - Unable to handle kernel NULL

[Götz Reinicke]

Hi,

after upgrading a FC1 server to FC3 the system hangs from time to time 
(Uptmie is about 2 weeks). The last error is:

"Unable to handle kernel NULL pointer"

Dell Poweredge 1750, 1GB RAM, dual Xenon, Kernel 2.6.10_1.770

The system hangs compleatly there are no ping answers, no ssh or 
conmsole login.

The last messages in /var/log/messages are:

Mar 16 17:34:39 mail kernel: Unable to handle kernel NULL pointer 
dereference at virtual address 0000000c
Mar 16 17:34:39 mail kernel:  printing eip:
Mar 16 17:34:39 mail kernel: c01b387c
Mar 16 17:34:39 mail kernel: *pde = 298ca001
Mar 16 17:34:39 mail kernel: Oops: 0000 [#4]
Mar 16 17:34:39 mail kernel: SMP
Mar 16 17:34:39 mail kernel: Modules linked in: loop iptable_filter 
ip_tables md5 ipv6 autofs4 i2c_dev i2c_core nfs lockd sunrpc microcode 
dm_mod video button battery ac ohci_
hcd cfi_probe gen_probe scb2_flash mtdcore chipreg map_funcs tg3 floppy 
sg ext3 jbd megaraid_mbox megaraid_mm sd_mod scsi_mod
Mar 16 17:34:39 mail kernel: CPU:    3
Mar 16 17:34:39 mail kernel: EIP:    0060:[<c01b387c>]    Not tainted VLI
Mar 16 17:34:39 mail kernel: EFLAGS: 00010282   (2.6.10-1.766_FC3smp)
Mar 16 17:34:39 mail kernel: EIP is at __rb_rotate_left+0x8/0x36
Mar 16 17:34:39 mail kernel: eax: e5d2ba00   ebx: c041e5e4   ecx: 
e5d2ba00   edx: 00000000
Mar 16 17:34:39 mail kernel: esi: e5d2ba00   edi: f6728d40   ebp: 
c041e5e4   esp: e80f7ed4
Mar 16 17:34:39 mail kernel: ds: 007b   es: 007b   ss: 0068
Mar 16 17:34:39 mail kernel: Process procmail (pid: 4160, 
threadinfo=e80f7000 task=f48e7540)
Mar 16 17:34:39 mail kernel: Stack: cf227800 c01b3988 cf227800 cf227800 
f6728d4c 0000057e c01965d7 f6728d40
Mar 16 17:34:39 mail kernel:        0000000e e80f7f58 e80f7f66 ffffffea 
c019668b 00000016 00000000 0000057e
Mar 16 17:34:39 mail kernel:        c03191e0 e80f7f58 00000000 ec73b840 
0000057e c01977df ffffffff 001f0000
Mar 16 17:34:39 mail kernel: Call Trace:
Mar 16 17:34:39 mail kernel:  [<c01b3988>] rb_insert_color+0xa8/0xc1
Mar 16 17:34:39 mail kernel:  [<c01965d7>] key_user_lookup+0xcf/0xfc
Mar 16 17:34:39 mail kernel:  [<c019668b>] key_alloc+0x53/0x2b6
Mar 16 17:34:39 mail kernel:  [<c01977df>] keyring_alloc+0x1a/0x48
Mar 16 17:34:39 mail kernel:  [<c0198d43>] alloc_uid_keyring+0x2b/0x7c
Mar 16 17:34:39 mail kernel:  [<c0125d2e>] alloc_uid+0xae/0x133
Mar 16 17:34:39 mail kernel:  [<c01291d4>] set_user+0xb/0x8b
Mar 16 17:34:39 mail kernel:  [<c0129441>] sys_setuid+0x71/0x108
Mar 16 17:34:39 mail kernel:  [<c0103c97>] syscall_call+0x7/0xb
Mar 16 17:34:39 mail kernel: Code: 82 04 01 00 00 00 75 ea 41 83 f9 01 
76 ed 31 c0 5b c3 57 b9 45 00 00 00 89 c7 31 c0 f3 ab 5f c3 90 90 90 53 
89 d3 8b 50 08 89 c1 <8b> 42 0c
85 c0 89 41 08 74 02 89 08 89 4a 0c 8b 01 85 c0 89 02

Any Ideas?

Regards

Götz Reinicke
-- 
Götz Reinicke
IT Koordinator - IT OfficeNet

Tel. +49 (0) 7141 - 969 420
Fax  +49 (0) 7141 - 969 55 420
goetz.reinicke at filmakademie.de

Filmakademie Baden-Württemberg
Mathildenstr. 20
71638 Ludwigsburg
www.filmakademie.de

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