HELP: Fatal Signal 11
Hi all: I'm fairly new to linux. Lately I've been getting a lot of fatal
signal 11's.
It seems to occur when my system has been up for a few days under light
load or up a day under a heavier load, running some job in the background
for about 24 hours. Then I get, compiling using g77 (I had been running
memtest in the background for about 18 hours):
gcc: Internal compiler error: program f771 got fatal signal 11
I also get this with fort77. (I know the fortran code is OK.) Trying this
several
more times usually results in a complete lock-up and a nasty reboot.
Some of the error messages I've gotten trying to compile code are
1 general protection: 0000
CPU: 0
EIP: 0010:[<0012398b>]
EFLAGS: 00010213
eax:64746769 ebx:0180cb28 ecx:0180cb28 edx:73006569
esi:00000004 edi:00657c00 ebp:000ec5fa esp:01ff9b54
ds:0018 es:0018 fs:002b gs:002b ss:0018
process f771(pid:31229, process nr, 21 ,stackpage=01ff9000) ????
2. hdb2: bad access: block=925712, count=1283457032... more of the same
3. Fatal Signal 11,7
I've tried memtest and memtest-86, no errors found.
If I reboot I can use g77 as much as I want with no errors, but after
several days I begin to see Fatal Signal 11 or if I have a cpu intensive
job in the backgound for about 24 hours lots of trouble.
Below is my system and some stuff from /proc
ANY HELP would be greatly appreciated.
Is this a memory leak?
How do I isolate the hardware thats causing the problem?
Thanks
John
Specs:
Pentium 100, 40 MB RAM, cache 256
L2 cache SRAM type async
Award Modular BIOS v4.50PG
Intel 82430IB ver2.0-S
kernel 2.0.27, gcc 2.7.2.1 debian 1.2
cat pci cpuinfo stat meminfo interrupts > /out
PCI devices found:
Bus 0, device 18, function 0:
VGA compatible controller: Trident TG 9440 (rev 227).
Medium devsel. IRQ 12.
Non-prefetchable 32 bit memory at 0xf0000000.
Non-prefetchable 32 bit memory at 0xf0200000.
Bus 0, device 7, function 1:
IDE interface: Intel 82371 Triton PIIX (rev 2).
Medium devsel. Fast back-to-back capable. Master Capable. Latency=32.
I/O at 0x3000.
Bus 0, device 7, function 0:
ISA bridge: Intel 82371 Triton PIIX (rev 2).
Medium devsel. Fast back-to-back capable. Master Capable. No bursts.
Bus 0, device 0, function 0:
Host bridge: Intel 82437 (rev 1).
Medium devsel. Master Capable. Latency=32.
processor : 0
cpu : 586
model : Pentium 75+
vendor_id : GenuineIntel
stepping : 5
fdiv_bug : no
hlt_bug : no
fpu : yes
fpu_exception : yes
cpuid : yes
wp : yes
flags : fpu vme de pse tsc msr mce cx8
bogomips : 39.73
cpu 347 0 490 35299
disk 1 1247 0 0
disk_rio 1 1006 0 0
disk_wio 0 241 0 0
disk_rblk 2 2018 0 0
disk_wblk 0 482 0 0
page 3138 306
swap 1 0
intr 43585 36136 483 0 0 65 2 0 0 0 0 0 0 0 1 6898 0
ctxt 3282
btime 861816450
processes 211
total: used: free: shared: buffers: cached:
Mem: 40194048 5890048 34304000 4530176 593920 2908160
Swap: 50540544 0 50540544
MemTotal: 39252 kB
MemFree: 33500 kB
MemShared: 4424 kB
Buffers: 580 kB
Cached: 2840 kB
SwapTotal: 49356 kB
SwapFree: 49356 kB
0: 36137 timer
1: 483 keyboard
2: 0 cascade
4: 65 + serial
5: 2 sound blaster
13: 1 math error
14: 6898 + ide0
15: 0 + ide1
*****************************************************************************
John Maheu
Queen's University
Dept. of Economics
Kingston ON
Canada
K7L 3N6
email: maheuj@qed.econ.queensu.ca
******************************************************************************
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