Hi,
I am experiencing some strange oopses in the kernel
after upgrading three x-terminal servers from 2.0.36 to 2.2.14.
* System information:
Dual Pentium II, running RedHat 6.0.
The kernel is patched with the patch: patch-2.2.14-nfsv2
Both kernel and the patch is fetched from the CVS repository.
Primary task for this machine (and the others that oopsed) is
serving about 20 other machines whith X. Due to heavy use from
at least 20 users (and more counting remote users) we also had
to increase the NR_TASKS in /usr/src/linux/include/tasks.h to 2048.
Another trick we had to apply was
print 8192 > /proc/sys/fs/file-max
print 32768 > /proc/sys/fs/inode-max
In 2.0.X kernels we applied
print 3072 > /proc/sys/kernel/file-max
print 9216 > /proc/sys/kernel/inode-max
This is probably not connected to the oops, and maybe something I
have not grasped, but what has happend to the 2.2.x kernels
demanding so many open files/inodes compared to the old 2.0.x?
Now we are running 2.2.10 and 2.2.13 kernels due to the problems
we have with 2.2.14. We really would like to use 2.2.14 due
to the many fixes useful to us, so I hope that someone will take
a look at this.
Here goes:
** oops
<snip; from logserver>
[-- MARK -- Thu Jan 20 10:53:10 2000]
NFS: cache locked for 00:20/11860
[-- MARK -- Thu Jan 20 10:54:10 2000]
[-- MARK -- Thu Jan 20 10:55:10 2000]
[-- MARK -- Thu Jan 20 10:56:10 2000]
[-- MARK -- Thu Jan 20 10:57:10 2000]
[-- MARK -- Thu Jan 20 10:58:10 2000]
[-- MARK -- Thu Jan 20 10:59:10 2000]
[-- MARK -- Thu Jan 20 11:00:10 2000]
[-- MARK -- Thu Jan 20 11:01:10 2000]
[-- MARK -- Thu Jan 20 11:02:10 2000]
[-- MARK -- Thu Jan 20 11:03:11 2000]
[-- MARK -- Thu Jan 20 11:04:11 2000]
[-- MARK -- Thu Jan 20 11:05:11 2000]
[-- MARK -- Thu Jan 20 11:06:11 2000]
[-- MARK -- Thu Jan 20 11:07:11 2000]
Unable to handle kernel NULL pointer dereference at virtual address 00000003
current->tss.cr3 = 00101000, %cr3 = 00101000
*pde = 00000000
Oops: 0000
CPU: 1
EIP: 0010:[<80131188>]
EFLAGS: 00010206
eax: 00007306 ebx: 00000003 ecx: 0000003d edx: 0000002d
esi: 8024d800 edi: 003c3c28 ebp: fc370001 esp: 80239eb0
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 0, process nr: 0, stackpage=80239000)
Stack: 91263660 0000001d 80168bd7 9f71a5ec 00000002 991fb480 8015bc5f 985c3bc0
8015c5f2 991fb480 00000000 003c3c28 a00945d4 991fb480 9f36a340 04000001
00000004 0000000b 000000e0 80171f7c 00000d42 00000002 91def081 70171540
Call Trace: [<80168bd7>] [<8015bc5f>] [<8015c5f2>] [<a00945d4>] [<80171f7c>] [<8
0164802>] [<8010b552>]
[<8010fe8a>] [<8010b6c3>] [<8010a198>] [<801079a1>] [<80106000>] [<8010
000>] [<801001b1>]
Code: 81 3b 01 46 00 00 74 10 68 a0 ac 1e 80 e8 0a 4d fe ff 83 c4
Aiee, killing interrupt handler
Kernel panic: Attempted to kill the idle task!
In swapper task - not syncing
[-- MARK -- Thu Jan 20 11:08:11 2000]
*** KSYMOOPS
:-) ksymoops oops
Options used: -V (default)
-o /lib/modules/2.2.13/ (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-m /usr/src/linux/System.map (default)
-c 1 (default)
Unable to handle kernel NULL pointer dereference at virtual address 00000003
current->tss.cr3 = 00101000, %cr3 = 00101000
*pde = 00000000
Oops: 0000
CPU: 1
EIP: 0010:[<80131188>]
EFLAGS: 00010206
eax: 00007306 ebx: 00000003 ecx: 0000003d edx: 0000002d
esi: 8024d800 edi: 003c3c28 ebp: fc370001 esp: 80239eb0
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 0, process nr: 0, stackpage=80239000)
Stack: 91263660 0000001d 80168bd7 9f71a5ec 00000002 991fb480 8015bc5f 985c3bc0
8015c5f2 991fb480 00000000 003c3c28 a00945d4 991fb480 9f36a340 04000001
00000004 0000000b 000000e0 80171f7c 00000d42 00000002 91def081 70171540
Call Trace: [<80168bd7>] [<8015bc5f>] [<8015c5f2>] [<a00945d4>] [<80171f7c>] [<8
0164802>] [<8010b552>]
[<8010fe8a>] [<8010b6c3>] [<8010a198>] [<801079a1>] [<80106000>] [<8010
Code: 81 3b 01 46 00 00 74 10 68 a0 ac 1e 80 e8 0a 4d fe ff 83 c4
Warning: trailing garbage ignored on Code: line
Text: 'Code: 81 3b 01 46 00 00 74 10 68 a0 ac 1e 80 e8 0a 4d fe ff 83 c4 '
Garbage: ' '
>>EIP: 80131188 <load_elf_interp+150/2c0>
Trace: 80168bd7 <arp_req_set+57/190>
Trace: 8015bc5f <ip_build_xmit_slow+67/3d4>
Trace: 8015c5f2 <ip_send_reply+2e/c8>
Trace: a00945d4 <_end+1fe27ad0/3fdaa548>
Trace: 80171f7c <rpc_do_call+64/114>
Code: 80131188 <load_elf_interp+150/2c0> 00000000 <_EIP>: <===
Code: 80131188 <load_elf_interp+150/2c0> 0: 81 3b 01 46 00 00 cmpl $0x4601,(%ebx) <===
Code: 8013118e <load_elf_interp+156/2c0> 6: 74 10 je 801311a0 <load_elf_interp+168/2c0>
Code: 80131190 <load_elf_interp+158/2c0> 8: 68 a0 ac 1e 80 pushl $0x801eaca0
Code: 80131195 <load_elf_interp+15d/2c0> d: e8 0a 4d fe ff call 80115ea4 <session_of_pgrp+8/40>
Code: 8013119a <load_elf_interp+162/2c0> 12: 83 c4 00 addl $0x0,%esp
Aiee, killing interrupt handler
Kernel panic: Attempted to kill the idle task!
In swapper task - not syncing
**** ??
The machine freezes after this and has to be booted whith the button...
I have some more oopses as well, if needed.
Any ideas anyone?
Regards,
Thomas Skjønhaug
Department of Mathematics, UiO
www.math.uio.no/~thomassk
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