hi,
I have installed RH Linux 7.2 with 2.4.7-10 kernel and using it as SMTP
server with amavis-perl-11 and uvscan virus scanner. The system reboots by
itself almost daily and sometimes fails to reboot properly and the kernel
crashes. Pl. check the ksymoops output and help me in locating the cause
for these random reboots.
This reboot/crash happens when the system load is low at late night. I was
able to capture an OOPS
and ran it through ksymoops. Following is the partial output from it. I
have excluded warning messages reg symbols not found:
Warning (compare_maps): mismatch on symbol usb_devfs_handle , usbcore says
d086e9a0, /lib/modules/2.4.7-10/kernel/drivers/usb/usbcore.o says
d086e4c0. Ignoring /lib/modules/2.4.7-10/kernel/drivers/usb/usbcore.o entry
Warning (map_ksym_to_module): cannot match loaded module ext3 to a unique
module object. Trace may not be reliable.
invalid operand: 0000
CPU: 0
EIP: 0010:[<c0114ac6>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010086
eax: 0000001b ebx: 4019c8b0 ecx: 00000001 edx: 0000eba1
esi: 00000002 edi: c0114080 ebp: c9b93e1c esp: c9b93df4
Process (pid: 0, stackpage=c9b93000)
Stack: c022a386 0000021e 000008c9 4019c8f8 4019c8f8 65706f2f 6c73736e 4019c8b0
00000002 c0114080 4019c8cc c0205885 c9b92000 4019c8d4 c9b93f34
c9b92000
00000001 4019c8b0 00000002 c0114080 08868641 c0207781 c9b92000
00000000
Call Trace: [<c022a386>] [<c0114080>] [<c0205885>] [<c0114080>] [<c0207781>]
[<c0114080>] [<c0107008>] [<c0114080>] [<c02057b6>] [<c0114080>]
[<c0207781>]
[<c0114080>] [<c0107008>]
Code: 0f 0b 5f 58 c7 45 3f 00 e0 f ff b8 00 e0 ff ff 8b 35 64 ab
Error (Oops_code_values): invalid value 0xf in Code line, must be 2, 4, 8
or 16 digits, value ignored
>>EIP; c0114ac6 <schedule+26/3a0> <=====
Trace; c022a386 <IRQ0x0f_interrupt+1b17a/21ab4>
Trace; c0114080 <do_page_fault+0/490>
Trace; c0205885 <rwsem_down_read_failed+115/140>
Trace; c0114080 <do_page_fault+0/490>
Trace; c0207781 <stext_lock+141/2a80>
Trace; c0114080 <do_page_fault+0/490>
Trace; c0107008 <error_code+38/40>
Trace; c0114080 <do_page_fault+0/490>
Trace; c02057b6 <rwsem_down_read_failed+46/140>
Trace; c0114080 <do_page_fault+0/490>
Trace; c0207781 <stext_lock+141/2a80>
Trace; c0114080 <do_page_fault+0/490>
Trace; c0107008 <error_code+38/40>
Code; c0114ac6 <schedule+26/3a0>
00000000 <_EIP>:
Code; c0114ac6 <schedule+26/3a0> <=====
0: 0f 0b ud2a <=====
Code; c0114ac8 <schedule+28/3a0>
2: 5f pop %edi
Code; c0114ac9 <schedule+29/3a0>
3: 58 pop %eax
Code; c0114aca <schedule+2a/3a0>
4: c7 45 3f 00 e0 ff b8 movl $0xb8ffe000,0x3f(%ebp)
Code; c0114ad1 <schedule+31/3a0>
b: 00 e0 add %ah,%al
Code; c0114ad3 <schedule+33/3a0>
d: ff (bad)
Code; c0114ad4 <schedule+34/3a0>
e: ff 8b 35 64 ab 00 decl 0xab6435(%ebx)
<0>Kernel panic: Attempted to kill the idle task!
23 warnings and 3 errors issued. Results may not be reliable.
Thanks,
--
spdkonda
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