SRU Request for LP#217659

[Tim Gardner]

Colin Ian King wrote:
> This is a re-posting from last week - not sure if anyone saw it.
> 
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/217659
> 
> SRU justification:
> 
> Impact: Socketcom's Socket Bluetooth card causes a kernel panic when it
> is plugged in, either during boot or after boot.
> 
> Unfortunately commit ac019360fe311dd6aa11b358a02eb3a61675882e treats an
> early interrupt during hardware and driver initialisation as a fatal
> driver bug and generates an oops which is rather a heavy handed way of
> catching this interrupt. Reverting this commit causes the driver to
> catch  the interrupt with a kernel warning rather than a fatal oops.
> 
> Testcase: Without the revert, when the Socketcom Socket Bluetooth is
> plugged in (during or after boot) the kernel panics. With the revert,
> there is no panic, instead the device causes a kernel warning about a
> spurious interrupt.
> 
> Tested by Quinn Plattel
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/217659/comments/17
> from a PPA 
> build with this revert.
> 
> This fix reverts commit ac019360fe311dd6aa11b358a02eb3a61675882e which
> introduced the oops.
> 
> Attached: The revert
> 
> 

ACK - Did this come from upstream? If not, then we need to get it there.
Intrepid as well.

-- 
Tim Gardner tim.gardner at canonical.com