SRU Request for LP#217659

Stefan Bader stefan.bader at
Mon Sep 22 13:03:43 UTC 2008

Hash: SHA1

Tim Gardner wrote:
> Colin Ian King wrote:
>> This is a re-posting from last week - not sure if anyone saw it.
>> 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
>> 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.
The opposite patch was done upstream and there wasn't much response to the
question why.

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