Panic `cat /proc/ioports`

From: Richard B. Johnson (root@chaos.analogic.com)
Date: Tue Feb 11 2003 - 15:55:43 EST


Linux version 2.4.18, after it runs for a few days, will panic
if I do `cat /proc/ioports`. Has this been reported/fixed in
later versions?

: Unable to handle kernel paging request at virtual address d48e2fa0
: c01d0ecb
: *pde = 13c22067
: Oops: 0000
: CPU: 0
: EIP: 0010:[3c59x:__insmod_3c59x_O/lib/modules/2.4.18/kernel/drivers/net/3c59+-342778165/84] Not tainted
: EFLAGS: 00010297
: eax: d48e2fa0 ebx: ffffffff ecx: d48e2fa0 edx: fffffffe
: esi: d22b70b9 edi: ffffffff ebp: 00000000 esp: d0a41e90
: ds: 0018 es: 0018 ss: 0018
: Process cat (pid: 15481, stackpage=d0a41000)
: Stack: d22b70ad d2fce2c0 00000300 00000008 c01daa26 00000001 d32c19b0 c0123303
: d0a2a6c0 d32c19b0 cfc97064 00000001 0000004e 00000000 ffffffff 0000000a
: c01d118e d22b70ad 2dd48f53 c01daa26 d0a41f0c c01d11a8 d22b70ad c01daa17
: Call Trace: [3c59x:__insmod_3c59x_O/lib/modules/2.4.18/kernel/drivers/net/3c59+-343489789/84] [3c59x:__insmod_3c59x_O/lib/modules/2.4.18/kernel/drivers/net/3c59+-342777458/84] [3c59x:__insmod_3c59x_O/lib/modules/2.4.18/kernel
/drivers/net/3c59+-342777432/84] [3c59x:__insmod_3c59x_O/lib/modules/2.4.18/kernel/drivers/net/3c59+-343526992/84] [3c59x:__insmod_3c59x_O/lib/modules/2.4.18/kernel/drivers/net/3c59+-343526874/84]
: Code: 80 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 89 c7 f7 c5 10 00

Code: 00000000 Before first symbol 00000000 <_IP>: <===
Code: 00000000 Before first symbol 0: 80 38 00 cmpb $0x0,(%eax) <===
Code: 00000003 Before first symbol 3: 74 07 je 0000000c Before first symbol
Code: 00000005 Before first symbol 5: 40 inc %eax
Code: 00000006 Before first symbol 6: 4a dec %edx
Code: 00000007 Before first symbol 7: 83 fa ff cmp $0xffffffff,%edx
Code: 0000000a Before first symbol a: 75 f4 jne 0 <_IP>
Code: 0000000c Before first symbol c: 29 c8 sub %ecx,%eax
Code: 0000000e Before first symbol e: 89 c7 mov %eax,%edi
Code: 00000010 Before first symbol 10: f7 c5 10 00 00 00 test $0x10,%ebp

25 warnings issued. Results may not be reliable.

`insmod` was not being executed even though the trace pretends
that it was active.

Cheers,
Dick Johnson
Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips).
Why is the government concerned about the lunatic fringe? Think about it.

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This archive was generated by hypermail 2b29 : Sat Feb 15 2003 - 22:00:35 EST