[Lucid] [Patch 0/3] SRU: Fix usbdux driver timeout and lockups

Colin Ian King colin.king at canonical.com
Fri Apr 16 21:01:09 UTC 2010


On Fri, 2010-04-16 at 10:20 -0700, Leann Ogasawara wrote:
> Hi All,
> 
> https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/483343
> 
> SRU Justification/Impact:
> 
> Per the request of the usbdux maintainer, the following patches resolve
> a usbdux driver timeout and lockup.  All three patches have landed in
> 2.6.33 upstream.  Please note that this set of patches depend on the
> patch to fix bug 563436 (ie re-enable comedi drivers).  I recognize we
> are frozen for the upcoming release so please consider this for the
> first Lucid Stable Release Update.
> 
> TEST CASE: 
> 
> I've built a test kernel with the upstream patches applied.  I've
> received confirmation from the bug reporter (usbdux maintainer) that
> this indeed resolves the timeout and lockup.
> 
> =====
> 
> The following changes since commit c2cd04d7aea14bd09bf34126cf916566374132e7:
>   Leann Ogasawara (1):
>         Revert "UBUNTU: staging/comdi -- disable"
> 
> are available in the git repository at:
> 
>   git://kernel.ubuntu.com/ogasawara/ubuntu-lucid.git lp483343
> 
> Bernd Porr (3):
>       Staging: comedi: fix usbdux timeout bug
>       Staging: comedi: usbdux.c: fix locking up of the driver when the comedi ringbuffer runs empty
>       Staging: comedi: removed "depricated" from COMEDI_CB_BLOCK
> 
>  drivers/staging/comedi/comedi.h         |    2 +-
>  drivers/staging/comedi/drivers/usbdux.c |   20 ++++++++++++--------
>  2 files changed, 13 insertions(+), 9 deletions(-)
> 
> 
> 
I'm happy with these three patches - and fixing a lockup is beneficial,
so..

Acked-by: Colin King <colin.king at canonical.com>






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