Re: PNP0501 serial driver takes almost 2 seconds to suspend/resume (printk issue)

Todd Brandt
2022-07-14T22:16:46Z

On Wed, 2022-07-13 at 23:28 +0206, John Ogness wrote:
> On 2022-07-13, Todd Brandt <todd.e.brandt@linux.intel.com> wrote:
> > URGENT: Removing the commit FIXES the issue.
> >
> > I just ran a 5.19.0-rc6 kernel with the offending commit removed
> > and
> > it fixed the problem completely on all 3 machines.
>
> I believe to have found the issue. A patch was posted to bugzilla:
>
> https://bugzilla.kernel.org/attachment.cgi?id=301413
>
> Please test this. Thanks.
>
> John Ogness

I ran with your fix on 30 systems. On the 7 machines where this problem
appears, the patch fixes it completely. On the 23 machines where this
problem does not appear, there are no issues or regressions.

Fix verified, thank you!