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Description of problem:
During test runs of our high availability database product, we are seeing
"fairly reproducible" kernel oopses after running for 10-20 hours. The oopses
are reproducible in the sense that they seem to always occur after 10-20 hours
during a certain test, but there seems to be a single particular point in the
tests at which they happen. This would be consistent with our suspicion that
certain load conditions provoke the problem.

Netdump output for this oops is in the "Additional Information" field. This is
the first time we have used netdump to investigate this problem -- on some of
the previous occurences of the problem we have seen somewhat different oops
messages. We are still running tests and expect to be able to add a few more
oops messages to this bug report during the weekend.

Version-Release number of selected component (if applicable):
2.4.9-e.24smp

How reproducible:
Always

Steps to Reproduce:
1. Boot machine, start database tests
2. Crash occurs after approx. 10-20 hours
  

Actual Results:  Kernel oops, see Description

Additional info:

System:
Asus CUV4X-DLS Dual Socket 370, VIA 694XDP AGP chipset, LSI SYM53C1010-33 ULTRA
160 SCSI controller onboard. BIOS version 1016. Dual Pentium III 800 MHz CPUs
1 Gb RAM
2x18Gb SCSI disks

NOTE: We have also tried passing "noapic" to the kernel at boot. The behaviour
was no different, except that it did seem as if the crash happened a bit earlier
then, i.e. that the problem was actually _worse_ with noapic.

The following is the log produced by netdump (full memory dump is available as
well):

invalid operand: 0000
Kernel 2.4.9-e.24smp
CPU:    0
EIP:    0010:[<c038f4f0>]    Not tainted
EFLAGS: 00010286
EIP is at tvec_bases [kernel] 0x1330 
eax: c038e4c0   ebx: c038e1c0   ecx: c038f4e0   edx: d91140dc
esi: c038f4e8   edi: c038f4f0   ebp: 00000046   esp: c0311f30
ds: 0018   es: 0018   ss: 0018
Process swapper (pid: 0, stackpage=c0311000)
Stack: c01249d1 c038f4e8 c038e1c0 00000000 00000000 c0310000 c0125014 c038e1c0 
       c038e1c0 00000000 00000000 00000000 c0105400 c0114228 00000046 c0108ed3 
       00000000 00000000 c0105400 c0310000 c0310000 c0246629 c0311f8c c0105400 
Call Trace: [<c01249d1>] __run_timers [kernel] 0xd1 
[<c0125014>] run_local_timers [kernel] 0x94 
[<c0105400>] default_idle [kernel] 0x0 
[<c0114228>] smp_apic_timer_interrupt [kernel] 0xb8 
[<c0108ed3>] do_IRQ [kernel] 0xe3 
[<c0105400>] default_idle [kernel] 0x0 
[<c0246629>] call_apic_timer_interrupt [kernel] 0x5 
[<c0105400>] default_idle [kernel] 0x0 
[<c0105400>] default_idle [kernel] 0x0 
[<c010542e>] default_idle [kernel] 0x2e 
[<c0105492>] cpu_idle [kernel] 0x32 
[<c0105000>] stext [kernel] 0x0 
[<c02447a0>] .rodata.str1.32 [kernel] 0x560 


Code: f0 f4 38 c0 f0 f4 38 c0 f8 f4 38 c0 f8 f4 38 c0 00 f5 38 c0 
CPU#1 is frozen.
< netdump activated - performing handshake with the client. >

Process: 0, {             swapper}
Kernel 2.4.9-e.24smp
EIP: 0010:[<c038f4f0>] CPU: 0EIP is at tvec_bases [kernel] 0x1330 
 EFLAGS: 00010286    Not tainted
EAX: c038e4c0 EBX: c038e1c0 ECX: c038f4e0 EDX: d91140dc
ESI: c038f4e8 EDI: c038f4f0 EBP: 00000046 DS: 0018 ES: 0018
[<c01249d1>] __run_timers [kernel] 0xd1 
CR0: 8005003b CR2: 40159c80 CR3: 140c0000 CR4: 000006d0
Call Trace: [<c0125014>] run_local_timers [kernel] 0x94 
[<c0105400>] default_idle [kernel] 0x0 
[<c0114228>] smp_apic_timer_interrupt [kernel] 0xb8 
[<c0108ed3>] do_IRQ [kernel] 0xe3 
[<c0105400>] default_idle [kernel] 0x0 
[<c0246629>] call_apic_timer_interrupt [kernel] 0x5 
[<c0105400>] default_idle [kernel] 0x0 
[<c0105400>] default_idle [kernel] 0x0 
[<c010542e>] default_idle [kernel] 0x2e 
[<c0105492>] cpu_idle [kernel] 0x32 
[<c0105000>] stext [kernel] 0x0 
[<c02447a0>] .rodata.str1.32 [kernel] 0x560