NVME suspend/resume issue on 22.04

[Chris Green]

On Fri, Aug 05, 2022 at 01:34:23PM +0100, Colin Law wrote:
> On Fri, 5 Aug 2022 at 09:49, Chris Green <cl at isbd.net> wrote:
> >
> > This is a continuation on my recent thread about an NVME SSD failing
> > to appear after a system restart, but it works perfectly if you power
> > cycle the system.
> >
> > If one searches for "suspend/resume NVME linux" there are lots of very
> > similar problems, with fixes and workarounds.  It's difficult to work
> > out exactly when/whether it has been fixed in the mainstream kernels
> > yet.
> >
> > I will try some of the 'less risky' workarounds but I think I will
> > also just hope that ongoing kernel fixes may sort this out.
> 
> Have you updated the motherboard firmware yet?
> 
No, and I'm not going to until I've explored simpler and less risky
options.

The existing hardware set-up worked fine with xubuntu 19.10, 20.04,
20.10, 21.04 and 21.10.  It's only installing 22.04 that has changed
*something* that means the NVME SSD doesn't resume correctly.

-- 
Chris Green