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SubjectKernel oops message - Need some help pin-pointing the cause
First the oops message, then below that you will find more detailed info
on the software and hardware:

Out of Memory: Killed process 24511 (httpd).
Unable to handle kernel paging request at virtual address f8973000
printing eip:
*pde = 01e4d067
*pte = 00000000
Oops: 0000
nfs lockd sunrpc 3c59x e100 usb-uhci usbcore ext3 jbd aic7xxx DAC960
sd_mod sc
CPU: 1
EIP: 0010:[<c0107387>] Not tainted
EFLAGS: 00010286

EIP is at copy_segments [kernel] 0x57 (2.4.18-5.2smp)
eax: f8962000 ebx: f8962000 ecx: 00004000 edx: f8972000
esi: f8973000 edi: f8962000 ebp: d97db500 esp: cb735f18
ds: 0018 es: 0018 ss: 0018
Process httpd (pid: 19151, stackpage=cb735000)
Stack: 00000000 00000000 ec0452c0 ec0452c0 c011ab1d e529e000 d97db500
00001d29 f5ff9a2c cb734000 ec0452c0 d97db500 00000300 00000001
ee9fa400 00000001 f764ea64 f675ea84 e529e000 c011b41a 00000011
Call Trace: [<c011ab1d>] copy_mm [kernel] 0x30d
[<c011b41a>] do_fork [kernel] 0x4ca
[<c0107685>] sys_fork [kernel] 0x15
[<c0108c6b>] system_call [kernel] 0x33

Code: f3 a5 89 9d 80 00 00 00 b9 ff ff ff ff 89 8d 84 00 00 00 5b
<3>Trying to vfree() nonexistent vm area (f8973000)

Kernel version:

2.4.18-5.2smp #1 SMP
Hidden patch applied

Output of lspci:

00:00.0 Host bridge: Intel Corporation 440GX - 82443GX Host bridge
00:01.0 PCI bridge: Intel Corporation 440GX - 82443GX AGP bridge
00:09.0 PCI bridge: Intel Corporation 80960RP [i960 RP
Microprocessor/Bridge] (rev 05)
00:09.1 RAID bus controller: Mylex Corporation DAC960PX (rev 05)
00:0b.0 Ethernet controller: 3Com Corporation 3c905C-TX [Fast Etherlink]
(rev 74)
00:0c.0 SCSI storage controller: Adaptec 7896
00:0c.1 SCSI storage controller: Adaptec 7896
00:0e.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro 100]
(rev 08)
00:12.0 ISA bridge: Intel Corporation 82371AB PIIX4 ISA (rev 02)
00:12.1 IDE interface: Intel Corporation 82371AB PIIX4 IDE (rev 01)
00:12.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01)
00:12.3 Bridge: Intel Corporation 82371AB PIIX4 ACPI (rev 02)
00:14.0 VGA compatible controller: Cirrus Logic GD 5480 (rev 23)
01:0f.0 PCI bridge: Digital Equipment Corporation DECchip 21150 (rev 06)

lsmod output:

Module Size Used by
eepro100 22386 1 #Note - I was using e100, but just
#changed to eepro100 right after
#this box came up from the reboot
nfs 92235 12 (autoclean)
lockd 59471 1 (autoclean) [nfs]
sunrpc 85366 1 (autoclean) [nfs lockd]
3c59x 32100 1
usb-uhci 26752 0 (unused)
usbcore 77167 1 [usb-uhci]
ext3 73608 5
jbd 54880 5 [ext3]
aic7xxx 132425 0 (unused)
DAC960 73070 6
sd_mod 13666 0 (unused)
scsi_mod 125385 2 [aic7xxx sd_mod]

Our mod_perl apache(1.3.22) build opts:

--enable-module=vhost_alias \
--enable-module=usertrack \
--enable-module=expires \
--enable-module=alias \
--enable-module=mime \
--enable-module=setenvif \
--enable-module=cgi \
--enable-module=auth \
--disable-module=rewrite \
--disable-module=proxy \
--disable-module=negotiation \
--disable-module=autoindex \
--disable-module=asis \
--disable-module=imap \
--disable-module=actions \
--disable-module=userdir \
--disable-module=access \
--disable-module=status \
--disable-module=headers \
--disable-module=so \
--disable-rule=EXPAT '

basically, our modperl server dies when we get the oops, and it can not
bind on the port we need it to run - fuser shows nothing listening, though
a netstat -l shows that the machine is listening on the port. So, anyone
can tell me whhat is causing the oops message? And, if I have open
connections how can I kill them if the process that was listening for
those connections is no longer running? Can I do something in
proc(/proc/net/{udp|tcp|raw})? Hopefully I have given enough
information. If anything else is needed, please let me know.

Also, every other box I have has the same software. We have two different
types of hardware - But this host is the only one that has ever had a
problem. So, I am suspecting ram or second cpu having a problem. Can
anyone give me a definite on what is wrong? I will be running lm_sensors
on this to see if anything becomes obvious.

Thanks all.

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