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Subjectkernel oops with kernel-smp-2.4.20-20.9 (Unable to handle kernel NULL pointer dereference at virtual address 00000000)
Date
Greetings all.

Im getting the error message "Unable to handle kernel NULL pointer
dereference at virtual address 00000000" when trying to load (ifup eth1)
eth1 with kernel-smp-2.4.20-20.9. It works fine with non-smp package from
RH.

No im not sure if im using the ksymoops tool correctly, but heres the output
:

[root@localhost oops]# ksymoops -v /boot/vmlinux-2.4.20-20.9smp -m
/boot/System.map-2.4.20-20.9smp -o /lib/modules/2.4.20-20.9smp < oops.txt
ksymoops 2.4.5 on i686 2.4.20-20.9smp. Options used
-v /boot/vmlinux-2.4.20-20.9smp (specified)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.20-20.9smp (specified)
-m /boot/System.map-2.4.20-20.9smp (specified)

Error (expand_objects): cannot stat(/lib/ext3.o) for ext3
ksymoops: No such file or directory
Error (expand_objects): cannot stat(/lib/jbd.o) for jbd
ksymoops: No such file or directory
Error (expand_objects): cannot stat(/lib/aacraid.o) for aacraid
ksymoops: No such file or directory
Error (expand_objects): cannot stat(/lib/aic79xx.o) for aic79xx
ksymoops: No such file or directory
Error (expand_objects): cannot stat(/lib/sd_mod.o) for sd_mod
ksymoops: No such file or directory
Error (expand_objects): cannot stat(/lib/scsi_mod.o) for scsi_mod
ksymoops: No such file or directory
Warning (map_ksym_to_module): cannot match loaded module ext3 to a unique
module object. Trace may not be reliable.
Warning (map_ksym_to_module): cannot match loaded module aacraid to a unique
module object. Trace may not be reliable.
Unable to handle kernel NULL pointer dereference at virtual address 00000000
f8b05260
*pde = 00000000
Oops: 0000
CPU: 1
EIP: 0060:[<f8b05260>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010246
eax: 00000100 ebx: 00000000 ecx: 00031988 edx: f770b980
esi: 00000000 edi: 00000000 ebp: 00000000 esp: f54a1e98
ds: 0068 es: 0068 ss: 0068
Process ip (pid: 17610, stackpage=f54a1000)
Stack: c3699400 00001000 f4113000 f770b980 c3699400 00001003 00000000
f8b051dd
f770b980 14000000 f770b800 f770b800 f770b980 00000000 f8b04a26
f770b980
f770b800 c020fa86 f770b800 c02123c7 f770b800 f770b800 00001002
c021112a
Call Trace: [<f8b051dd>] e1000_free_rx_resources [e1000] 0x1d
(0xf54a1eb4))
[<f8b04a26>] e1000_open [e1000] 0x46 (0xf54a1ed0))
[<c020fa86>] dev_open [kernel] 0xa6 (0xf54a1edc))
[<c02123c7>] dev_mc_upload [kernel] 0x37 (0xf54a1ee4))
[<c021112a>] dev_change_flags [kernel] 0x12a (0xf54a1ef4))
[<c020f61e>] dev_get [kernel] 0x1e (0xf54a1f00))
[<c024f130>] devinet_ioctl [kernel] 0x290 (0xf54a1f14))
[<c0207ca0>] sock_ioctl [kernel] 0x40 (0xf54a1f80))
[<c01650b6>] sys_ioctl [kernel] 0xf6 (0xf54a1f94))
[<c01098cf>] system_call [kernel] 0x33 (0xf54a1fc0))
Code: 8b 14 1f 85 d2 74 36 8b 42 70 48 74 0b f0 ff 4a 70 0f 94 c0


>>EIP; f8b05260 <[e1000]e1000_clean_rx_ring+30/140> <=====

>>ecx; 00031988 Before first symbol
>>edx; f770b980 <_end+3728d080/3838e760>
>>esp; f54a1e98 <_end+35023598/3838e760>

Trace; f8b051dd <[e1000]e1000_free_rx_resources+1d/70>
Trace; f8b04a26 <[e1000]e1000_open+46/60>
Trace; c020fa86 <dev_open+a6/e0>
Trace; c02123c7 <dev_mc_upload+37/80>
Trace; c021112a <dev_change_flags+12a/150>
Trace; c020f61e <dev_get+1e/30>
Trace; c024f130 <devinet_ioctl+290/610>
Trace; c0207ca0 <sock_ioctl+40/80>
Trace; c01650b6 <sys_ioctl+f6/2b0>
Trace; c01098cf <system_call+33/38>

Code; f8b05260 <[e1000]e1000_clean_rx_ring+30/140>
00000000 <_EIP>:
Code; f8b05260 <[e1000]e1000_clean_rx_ring+30/140> <=====
0: 8b 14 1f mov (%edi,%ebx,1),%edx <=====
Code; f8b05263 <[e1000]e1000_clean_rx_ring+33/140>
3: 85 d2 test %edx,%edx
Code; f8b05265 <[e1000]e1000_clean_rx_ring+35/140>
5: 74 36 je 3d <_EIP+0x3d>
Code; f8b05267 <[e1000]e1000_clean_rx_ring+37/140>
7: 8b 42 70 mov 0x70(%edx),%eax
Code; f8b0526a <[e1000]e1000_clean_rx_ring+3a/140>
a: 48 dec %eax
Code; f8b0526b <[e1000]e1000_clean_rx_ring+3b/140>
b: 74 0b je 18 <_EIP+0x18>
Code; f8b0526d <[e1000]e1000_clean_rx_ring+3d/140>
d: f0 ff 4a 70 lock decl 0x70(%edx)
Code; f8b05271 <[e1000]e1000_clean_rx_ring+41/140>
11: 0f 94 c0 sete %al


2 warnings and 6 errors issued. Results may not be reliable.

===

Please let me know if im missing something, or if you need more info from me
regarding this issue.

Thanks a lot.


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