Bug#642043: linux-image-3.0.0-1-amd64 frequently kerneloops on unmounting USB drives

[Jonathan Nieder <jrnieder@gmail.com>]

severity 642043 important
tags 642043 + upstream
forwarded 642043 https://bugzilla.kernel.org/show_bug.cgi?id=38842
forwarded 631187 https://bugzilla.kernel.org/show_bug.cgi?id=38842
merge 642043 631187
quit

Hi Dan,

Dan MacDonald wrote:

> Using 'Safely remove drive' option on USB drives under Nautilus/GNOME
> frequently causes a kerneloops.

Sounds like <http://bugs.debian.org/631187>, aka
<https://bugzilla.kernel.org/show_bug.cgi?id=38842>

> [ 9762.593437] BUG: unable to handle kernel NULL pointer dereference at 0000000000000048
> [ 9762.593513] IP: [<ffffffff8118d464>] elv_completed_request+0x38/0x4c
[...]
> [ 9762.593630] CPU 2 
> [ 9762.593641] Buffer I/O error on device sde1, logical block 0
[...]
> [ 9762.594980] Pid: 4271, comm: scsi_eh_6 Tainted: G           O 3.0.0-1-amd64 #1 Gigabyte Technology Co., Ltd. H61M-USB3-B3/H61M-USB3-B3

(This is not the first oops after booting.)

Thanks for writing,
Jonathan