Bug#1081833: linux-image-6.1.0-25-amd64: regression on linux-image-6.1.0-25.amd64 regular cracks in HDMI sound during playback - 6.1.0-23 works.

[Salvatore Bonaccorso <carnil@debian.org>]

Hi,

On Tue, Sep 24, 2024 at 08:17:34PM +0200, Eric wrote:
> > On 22/09/2024 21:22, Eric wrote:
> > The bisect is complete and yields this result
> > 
> > 15115033f056cbd7649b8e1806287f71bdb7ce5c is the first bad commit
> > commit 15115033f056cbd7649b8e1806287f71bdb7ce5c
> > Author: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
> > Date:   Fri Jul 26 20:17:10 2024 +0200
> > 
> >     ice: don't busy wait for Rx queue disable in ice_qp_dis()
> > 
> >     [ Upstream commit 1ff72a2f67791cd4ddad19ed830445f57b30e992 ]
> > 
> >     When ice driver is spammed with multiple xdpsock instances and flow
> >     control is enabled, there are cases when Rx queue gets stuck and unable
> >     to reflect the disable state in QRX_CTRL register. Similar issue has
> >     previously been addressed in commit 13a6233b033f ("ice: Add support to
> >     enable/disable all Rx queues before waiting").
> > 
> >     To workaround this, let us simply not wait for a disabled state as later
> >     patch will make sure that regardless of the encountered error in the
> >     process of disabling a queue pair, the Rx queue will be enabled.
> > 
> >     Fixes: 2d4238f55697 ("ice: Add support for AF_XDP")
> >     Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
> >     Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com>  (A Contingent Worker at Intel)
> >     Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
> >     Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
> >     Signed-off-by: Sasha Levin <sashal@kernel.org>
> 
> I posted too early ... looking back I found that nonsensical. Turns out on that last commit I had made a mistake. I suspect I booted on the wrong kernel that time.
> I'll redo the last few rounds and post only after checking that the "first bad commit" indeed is bad.
> Sorry for the noise

No problem, and thanks for the update. Yes I was confused once I saw
your mail and did not saw a relation of this to your HDMI sound issue.

Thanks for your time investing into debugging this issue.

Regards,
Salvatore