From: Tom Vier <tmv@comcast.net>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.7: preempt + sysfs = BUG on ppc
Date: Mon, 21 Jun 2004 19:44:25 -0400 [thread overview]
Message-ID: <20040621234425.GA24935@zero> (raw)
In-Reply-To: <20040620144906.095a4f93.akpm@osdl.org>
On Sun, Jun 20, 2004 at 02:49:06PM -0700, Andrew Morton wrote:
> > kernel BUG in fill_read_buffer at fs/sysfs/file.c:92!
>
> Please add this patch, then retest:
>
> --- 25/fs/sysfs/file.c~sysfs-overflow-debug 2004-06-20 14:44:44.272707136 -0700
> +++ 25-akpm/fs/sysfs/file.c 2004-06-20 14:48:23.580367304 -0700
here ya go. it's /sys/class/net/eth1/wireless/beacon. that's for my airport
card (apple branded lucent chip). i would look at its sysfs code, but i'm
not familiar with it at all (and i'm busy).
fill_read_buffer: show handler overrun
->show handler: 0xc010e38c (class_device_attr_show+0x0/0x48)
kernel BUG in fill_read_buffer at fs/sysfs/file.c:99!
Oops: Exception in kernel mode, sig: 5 [#1]
PREEMPT
NIP: C00968EC LR: C00968EC SP: D19A7EA0 REGS: d19a7df0 TRAP: 0700 Not tainted
MSR: 00029032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
TASK = d1366d80[878] 'rsync' THREAD: d19a6000Last syscall: 3
GPR00: C00968EC D19A7EA0 D1366D80 00000001 00001AE3 FFFFFFFF C02D9674 C02D970C
GPR08: 0019377F C0290000 00000000 D19A6000 80008424 1004CFE4 00000000 00000004
GPR16: 10057B08 10040000 10057880 00000000 00001000 FFFFFFFF 00001000 00000000
GPR24: 00001000 00000000 00000000 00000000 C025DFCC CB2598FC C079F1A8 FFFFFFEA
NIP [c00968ec] fill_read_buffer+0xe0/0xf8
LR [c00968ec] fill_read_buffer+0xe0/0xf8
Call trace:
[c0096a6c] sysfs_read_file+0x5c/0x78
[c005ad68] vfs_read+0xdc/0x128
[c005afd8] sys_read+0x40/0x74
[c0005b20] ret_from_syscall+0x0/0x44
--
Tom Vier <tmv@comcast.net>
DSA Key ID 0x15741ECE
next prev parent reply other threads:[~2004-06-21 23:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-20 15:39 2.6.7: preempt + sysfs = BUG on ppc Tom Vier
2004-06-20 21:49 ` Andrew Morton
2004-06-21 23:44 ` Tom Vier [this message]
2004-06-22 0:26 ` Andrew Morton
2004-06-23 0:50 ` Tom Vier
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