Bug#690990: [wheezy] Soft lockup in scsi_remove_target on FC path down

[Jonathan Nieder <jrnieder@gmail.com>]

tags 690990 + upstream fixed-upstream pending
quit

Hi Jonathan,

Jonathan McDowell wrote:

> I had a fibre channel path go down on my host (running Squeeze but with
> the kernel from unstable) and hit the following backtrace in dmesg
> repeatedly, resulting in having to reboot the machine as it became
> unresponsive. I've seen the same issue in a vanilla 3.6 kernel, the
> patch at:
>
> http://marc.info/?l=linux-scsi&m=134621716223056&w=2
>
> solved the issue for me there.

Thanks!  That's commit bc3f02a795d3 (scsi_remove_target: fix
softlockup regression on hot remove, 2012-08-28), aka v3.2.32~96
and v3.6.1~2, so this weekend's uploads should fix this.

Regression introduced by v3.2.25~18 (fix hot unplug vs async scan
race, 2012-06-21).

Hope that helps,
Jonathan