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strange tcpd crash with 2.0.34
Hi
On one of my servers, every process that relied on the tcpd deamon
stopped
working, and I got this from the logs:
invalid operand: 0000
CPU: 0
EIP: 0010:[<0014c11e>]
EFLAGS: 00010a13
eax: 00000080 ebx: 06cf1cfc ecx: 06cf8f04 edx: 00000000
esi: 001b5bc4 edi: 06cf8f0a ebp: 02634a84 esp: 001a9234
ds: 0018 es: 0018 fs: 002b gs: 0018 ss: 0018
Process swapper (pid: 0, process nr: 0, stackpage=001a7340)
Stack: 00000000 06cf8f2c 001ad9e0 001c0608 03634a84 06cf8f04 ffffff00
00000100
03634a84 02634a84 00139604 06cf8f2c 001b5bc4 001ad9e0 00000100
ffffff00
00000100 001cb344 00117fe7 001a9294 001a931c 00000000 00009000
0010a5a7
Call Trace: [<00139604>] [<00117fe7>] [<0010a5a7>] [<00109674>]
[<0010a615>] [<00109360>] [<00190018>]
[<001091ed>]
Code: ff eb 2f 8d 76 00 8b 74 24 14 56 8b 44 24 34 83 c0 50 50 8b
Aiee, killing interrupt handler
kfree of non-kmalloced memory: 001a9388, next= 0011ec8b, order=0
kfree of non-kmalloced memory: 001a9378, next= 0011ec8b, order=0
kfree of non-kmalloced memory: 001aa48c, next= 00000000, order=0
idle task may not sleep
idle task may not sleep
idle task may not sleep
idle task may not sleep
idle task may not sleep
As you can see from this:
7:47pm up 4 days, 11:18, 3 users, load average: 0.00, 0.01, 0.00
65 processes: 64 sleeping, 1 running, 0 zombie, 0 stopped
CPU states: 0.1% user, 0.9% system, 1.0% nice, 99.0% idle
Mem: 128008K av, 125748K used, 2260K free, 19632K shrd, 48692K buff
Swap: 52380K av, 116K used, 52264K free 30548K
cached
This server was recently upgraded to 2.0.34 from 2.0.33 and Solar
Designers
secure-linux kernelpatch was applied .
I'm sorry, I haven't been able to reproduce the error, and I have no
idea what caused it. After
a cold reboot (shutdown command wouldn't work) things returned to
normal.
I would appreciate any hints on this.
--
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Computer Center of Haifa University
Mount Carmel, Haifa 31905, Israel
------------------------------------------------------------------------------
Constantin Eizner | Tel. 972-4-8249299
Network Engineer | Fax. 972-8249177
Unix System Administrator | E-mail eizner@research.haifa.ac.il
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Key fingerprint = 47 A3 99 BA 6D 7A A4 82 EF EF 07 CF 06 D5 DA 4C