[SRU] [Bionic] [OEM-B] [PATCH 00/16] Fix "xHCI host controller not responding, assume dead"

[Kai-Heng Feng]

at 06:08, Seth Forshee <seth.forshee at canonical.com> wrote:

> On Tue, Jul 03, 2018 at 03:20:13PM +0800, Kai-Heng Feng wrote:
>> BugLink: https://bugs.launchpad.net/bugs/1763594
>>
>> [Impact]
>> xHC stops to work after some time. This happens when the xHC gets
>> runtime resumed/suspended constantly.
>>
>> [Test]
>> User reports this backport fixes the issue.
>>
>> [Fix]
>> In addition to check EINT, also check ports' status.
>>
>> [Regression Potential]
>> Low. It fixes a known bug and it's in -stable.
>
> It's in stable? Where? I didn't find it -- the *last* patch is marked
> for stable but is not in the latest 4.17.5 stable, nor did I find it in
> the stable queue.

Although it Cc'ed stable but it's indeed not in stable tree yet.

>
> This is a lot of changes, and I take it you're really only after the
> last one. Was any attempt made to backport it without bringing in the
> other 15 patches? If there really is a stable backport, does it also
> pull in all those other patches?

Yes the last one is the one that fixes the issue.

I'll see if I can make a backport without all these dependency commits.

Kai-Heng

>
> Thanks,
> Seth