From: Johannes Erdfelt <johannes@erdfelt.com>
To: Duncan Sands <duncan.sands@math.u-psud.fr>
Cc: Kernel List <linux-kernel@vger.kernel.org>,
rml@tech9.net, linux-usb-devel@lists.sourceforge.net
Subject: Re: 2.5.8-pre3: kernel BUG at usb.c:849! (preempt_count 1)
Date: Wed, 10 Apr 2002 11:41:44 -0400 [thread overview]
Message-ID: <20020410114144.N8314@sventech.com> (raw)
In-Reply-To: <E16vHsQ-0000Jy-00@baldrick>
On Wed, Apr 10, 2002, Duncan Sands <duncan.sands@math.u-psud.fr> wrote:
> UP x86 K6 system running 2.5.8-pre3 with preemption.
> Using usb-uhci. I got the following bug when powering off:
>
> usb.c: USB disconnect on device 3
> kernel BUG at usb.c:849!
> invalid operand: 0000
> CPU: 0
> EIP: 0010:[<cc8babe2>] Not tainted
> EFLAGS: 00010246
> eax: 00000000 ebx: cb8e2800 ecx: cb8e2550 edx: 00000002
> esi: cbc75d88 edi: cc8c7a20 ebp: ffffffff esp: cab5ff24
> ds: 0018 es: 0018 ss: 0018
> Process rmmod (pid: 1787, threadinfo=cab5e000 task=c952a6a0)
> Stack: cb8e29f8 cc8bbafe cb8e2800 cb8e25bc cb796180 cc8c79a0 0000000e 0000024c
> cb8e2800 cc8bbaad cb8e25bc cb796080 cc8ce600 c71a5000 cc8c9000 000000c4
> cb8e2400 cc8ccc7a cab5ff74 c12dc800 00000000 c01cf07f c12dc800 cc8c9000
> Call Trace: [<cc8bbafe>] [<cc8c79a0>] [<cc8bbaad>] [<cc8ce600>] [<cc8ccc7a>]
> [pci_unregister_driver+51/76] [<cc8cd176>] [<cc8ce600>] [free_module+23/192] [sys_delete_module+292/628] [syscall_call+7/11]
> Code: 0f 0b 51 03 94 42 8c cc 8b 83 cc 00 00 00 8b 40 18 53 8b 40
Could you run this through ksymoops?
> <3>error: rmmod[1787] exited with preempt_count 1
I don't like the looks of that.
JE
next prev parent reply other threads:[~2002-04-10 15:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-10 13:11 2.5.8-pre3: kernel BUG at usb.c:849! (preempt_count 1) Duncan Sands
2002-04-10 15:41 ` Johannes Erdfelt [this message]
2002-04-10 16:40 ` [linux-usb-devel] " David Brownell
2002-04-10 16:51 ` Duncan Sands
2002-04-10 17:23 ` David Brownell
2002-04-10 22:20 ` Duncan Sands
2002-04-10 17:00 ` Robert Love
2002-04-10 17:11 ` Duncan Sands
-- strict thread matches above, loose matches on Subject: below --
2002-04-10 16:47 Duncan Sands
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