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From: Andrew Morton <akpm@osdl.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: kernel list <linux-kernel@vger.kernel.org>,
	marcel@holtmann.org, maxk@qualcomm.com,
	bluez-devel@lists.sourceforge.net
Subject: Re: ext3-related crash in 2.6.20-rc1
Date: Sat, 23 Dec 2006 17:12:28 -0800	[thread overview]
Message-ID: <20061223171228.120ac8a6.akpm@osdl.org> (raw)
In-Reply-To: <20061223234305.GA1809@elf.ucw.cz>

On Sun, 24 Dec 2006 00:43:05 +0100
Pavel Machek <pavel@ucw.cz> wrote:

> Hi!
> 
> I got this nasty oops while playing with debugger. Not sure if that is
> related; it also might be something with bluetooth; I already know it
> corrupts memory during suspend, perhaps it corrupts memory in some
> error path?
> 
>  
> 
> 								Pavel
> 
> 
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> PM: Removing info for bluetooth:acl00803715A329
> e1000: eth0: e1000_watchdog: NIC Link is Down
> e1000: eth0: e1000_watchdog: NIC Link is Up 100 Mbps Full Duplex
> e1000: eth0: e1000_watchdog: 10/100 speed: disabling TSO
> e1000: eth0: e1000_watchdog: NIC Link is Down
> e1000: eth0: e1000_watchdog: NIC Link is Up 100 Mbps Full Duplex
> e1000: eth0: e1000_watchdog: 10/100 speed: disabling TSO
> ------------[ cut here ]------------
> kernel BUG at fs/buffer.c:1235!

get thee to fs/buffer.c:1235.  You'll see that someone somewhere forgot to
reenable local interrupts.

Were you using gdb at the time?  A fix for something like that was merged
into mainline yesterday.

The slab errors which you're reporting in later emails will almost surely
be unrelated to this.

       reply	other threads:[~2006-12-24  1:12 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20061223234305.GA1809@elf.ucw.cz>
2006-12-24  1:12 ` Andrew Morton [this message]
     [not found] ` <20061223235501.GA1740@elf.ucw.cz>
2006-12-24  1:18   ` bluetooth memory corruption (was Re: ext3-related crash in 2.6.20-rc1) Andrew Morton
2006-12-24 23:24     ` Pavel Machek
     [not found]   ` <20061224000150.GA1812@elf.ucw.cz>
     [not found]     ` <20061224000605.GA1768@elf.ucw.cz>
     [not found]       ` <20061224000753.GA1811@elf.ucw.cz>
     [not found]         ` <458DD459.2030209@gmail.com>
     [not found]           ` <458E69CB.6000107@gmail.com>
2006-12-24 12:22             ` ptrace() memory corruption? Andrew Morton
2006-12-24 13:44               ` Jiri Slaby
2006-12-24 14:39   ` [Bluez-devel] bluetooth memory corruption (was Re: ext3-related crash in 2.6.20-rc1) Marcel Holtmann
2006-12-24 23:36     ` Pavel Machek
     [not found]     ` <20061224234357.GA1817@elf.ucw.cz>
     [not found]       ` <20061228084251.GB3955@ucw.cz>
2006-12-28 10:40         ` Marcel Holtmann

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