linux-kernel - ext3-related crash in 2.6.20-rc1

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Message-ID: <20061223234305.GA1809@elf.ucw.cz>
Date:	Sun, 24 Dec 2006 00:43:05 +0100
From:	Pavel Machek <pavel@....cz>
To:	Andrew Morton <akpm@...l.org>,
	kernel list <linux-kernel@...r.kernel.org>
Cc:	marcel@...tmann.org, maxk@...lcomm.com, bluez-devel@...ts.sf.net
Subject: ext3-related crash in 2.6.20-rc1

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!
invalid opcode: 0000 [#1]
SMP 
Modules linked in:
CPU:    0
EIP:    0060:[<c01933c2>]    Not tainted VLI
EFLAGS: 00010046   (2.6.20-rc1 #379)
EIP is at __find_get_block+0x1b2/0x1c0
eax: 00000086   ebx: 00001000   ecx: 00000000   edx: 006780b2
esi: 0033d60d   edi: 00001000   ebp: 000000cf   esp: c9135c90
ds: 007b   es: 007b   ss: 0068
Process phone (pid: 1161, ti=c9134000 task=f7949030 task.ti=c9134000)
Stack: 006780b2 00000000 f7ec2820 00000003 ad40ad40 f7d8f5ba c0652a48 00000000 
       f88da000 00000012 0000000f f65c9000 f65c9230 c016c9df c016c3c4 00001000 
       0033d60d 00001000 000000cf c01933ef 00001000 5a0ff380 0000007f f65c9234 
Call Trace:
 [<c01933ef>] __getblk+0x1f/0x290
 [<c01db680>] __ext3_get_inode_loc+0x120/0x3a0
 [<c01db9d7>] ext3_reserve_inode_write+0x27/0x80
 [<c01dbe1a>] ext3_mark_inode_dirty+0x1a/0x40
 [<c01dc2c9>] ext3_dirty_inode+0x79/0xb0
 [<c018c854>] __mark_inode_dirty+0x34/0x1c0
 [<c0154934>] __generic_file_aio_write_nolock+0x244/0x590
 [<c0154cd9>] generic_file_aio_write+0x59/0xd0
 [<c01da050>] ext3_file_write+0x30/0xc0
 [<c0170ad7>] do_sync_write+0xc7/0x130
 [<c0171266>] vfs_write+0xa6/0x160
 [<c0171b21>] sys_write+0x41/0x70
 [<c010304c>] syscall_call+0x7/0xb
 [<b7f18d2e>] 0xb7f18d2e
 =======================
Code: 00 8b 7c 24 18 f3 a5 fb 8b 44 24 10 85 c0 0f 84 2c ff ff ff 8b 44 24 10 e8 5c ca ff ff e9 1e ff ff ff 89 d8 e8 50 ca ff ff eb 8d <0f> 0b eb fe 0f 0b eb fe 0f 0b eb fe 89 f6 55 57 56 53 83 ec 48 
EIP: [<c01933c2>] __find_get_block+0x1b2/0x1c0 SS:ESP 0068:c9135c90
 

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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