Applied: [Precise][SRU][PATCH 0/1] Bug #972723 - Issue with ite_cir driver

Leann Ogasawara leann.ogasawara at canonical.com
Wed Apr 18 19:45:17 UTC 2012


Applied to Precise master-next.  I updated the BugLink and prefixed the 
commit subject with "UBUNTU: SAUCE:" for now.

Thanks,
Leann

On 04/18/2012 12:09 PM, Luis Henriques wrote:
> BugLink: http://bugs.launchpad.net/bugs/974664
>
> == Precise SRU Justification ==
>
> A bug in the upstream ite_cir driver has been triggered recently on Precise
> kernels, causing some systems (in particular Dell XPS 1340) to crash during
> boot.
>
> The problem is related to an early registration of an ISR during the device
> probe process.  This caused IRQs to be served before the driver initialisation
> had been completed.
>
> == Fix ==
>
> Moving the invocation of request_irq() later in the probe solved the problem.
>
> == Impact ==
>
> There are several users reporting the crash in their system while booting with
> recent Precise kernels.
>
> == Test Case ==
>
> Just booting triggers the problem.
>
> Luis Henriques (1):
>    ite-cir: postpone ISR registration
>
>   drivers/media/rc/ite-cir.c |    8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
>





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