From: Philipp Matthias Hahn <pmhahn@titan.lahn.de>
To: Kernel Mailing List <linux-kernel@vger.kernel.org>,
Dominik Brodowski <linux@brodo.de>
Subject: [BUG,2.5.69] OOPS in cpufreq_cpu_get
Date: Tue, 6 May 2003 09:12:26 +0200 [thread overview]
Message-ID: <20030506071225.GA2320@titan.lahn.de> (raw)
Hello Dominik, LKML!
2.5.69 oopsed while reading /proc/cpufreq:
Linux version 2.5.69 (root@walker) (gcc version 3.2.3) #3 Mon May 5 15:09:50 CEST 2003
...
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 256K
CPU serial number disabled.
CPU: After generic, caps: 0383f9ff 00000000 00000000 00000040
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: Intel Pentium III (Coppermine) stepping 01
...
Unable to handle kernel NULL pointer dereference at virtual address 00000020
printing eip:
c013589f
*pde = 00000000
Oops: 0000 [#1]
CPU: 0
EIP: 0060:[<c013589f>] Not tainted
EFLAGS: 00010246
EIP is at cpufreq_cpu_get+0x1f/0xe0
eax: 00000000 ebx: 00000000 ecx: cbbf3ba0 edx: cbc21eb0
esi: 00000001 edi: cbc21eb0 ebp: cbc21e68 esp: cbc21e5c
ds: 007b es: 007b ss: 0068
Process mc (pid: 300, threadinfo=cbc20000 task=c13ac780)
Stack: cbc21e74 00000000 00000000 cbc21e88 c01367e1 00000000 cbc21e88 c01b5a4f
00000000 c59ce045 00000000 cbc21f1c c023434f cbc21eb0 00000000 c02dfaac
cbc20000 c02dfaac cbc21ed0 c013d15c c10e0830 00000000 c02e0f30 00000000
Call Trace:
[<c01367e1>] cpufreq_get_policy+0x21/0x90
[<c01b5a4f>] sprintf+0x1f/0x30
[<c023434f>] cpufreq_proc_read+0x8f/0x150
[<c013d15c>] buffered_rmqueue+0xbc/0x160
[<c013d28d>] __alloc_pages+0x8d/0x300
[<c02342c0>] cpufreq_proc_read+0x0/0x150
[<c017f2ee>] proc_file_read+0xbe/0x250
[<c0153ae3>] vfs_read+0xd3/0x140
[<c0164784>] do_fcntl+0xd4/0x1c0
[<c0153d8c>] sys_read+0x3c/0x60
[<c010a33b>] syscall_call+0x7/0xb
Code: 8b 50 20 85 d2 74 2b b8 00 e0 ff ff 21 e0 ff 40 14 83 3a 02
BYtE
Philipp
--
/ / (_)__ __ ____ __ Philipp Hahn
/ /__/ / _ \/ // /\ \/ /
/____/_/_//_/\_,_/ /_/\_\ pmhahn@titan.lahn.de
reply other threads:[~2003-05-06 7:00 UTC|newest]
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