Re: Regression: Inoperative bluetooth, Intel chipset, mainline kernel 6.6.2+

[Greg KH <gregkh@linuxfoundation.org>]

On Sun, Dec 03, 2023 at 03:32:52AM -0500, Kris Karas (Bug Reporting) wrote:
> Greg KH wrote:
> > Thanks for testing, any chance you can try 6.6.4-rc1?  Or wait a few
> > hours for me to release 6.6.4 if you don't want to mess with a -rc
> > release.
> 
> As I mentioned to Greg off-list (to save wasting other peoples' bandwidth),
> I couldn't find 6.6.4-rc1.  Looking in wrong git tree?  But 6.6.4 is now
> out, which I have tested and am running at the moment, albeit with the
> problem commit from 6.6.2 backed out.
> 
> There is no change with respect to this bug.  The problematic patch
> introduced in 6.6.2 was neither reverted nor amended.  The "opcode 0x0c03
> failed" lines to the kernel log continue to be present.
> 
> > Also, is this showing up in 6.7-rc3?  If so, that would be a big help in
> > tracking this down.
> 
> The bug shows up in 6.7-rc3 as well, exactly as it does here in 6.6.2+ and
> in 6.1.63+.  The problematic patch bisected earlier appears identically (and
> seems to have been introduced simultaneously) in these recent releases.

Ok, in a way, this is good as that means I haven't missed a fix, but bad
in that this does affect everyone more.

So let's start over, you found the offending commit, and nothing has
fixed it, so what do we do?  xhci/amd developers, any ideas?

thanks,

greg k-h