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Re: Problem with Ubuntu 22.04 failing to restart from NVME SSD, needs a

From: Chris Green
Subject: Re: Problem with Ubuntu 22.04 failing to restart from NVME SSD, needs a power cycle
Date: Tue, 23 Aug 2022 13:44:27 +0100

On Tue, Aug 23, 2022 at 01:39:09AM -0500, Glenn Washburn wrote:
> Hi Chris,
> On Mon, 1 Aug 2022 14:41:14 +0100
> Chris Green <> wrote:
> > A year or two ago I got a lot of help from this list when I installed
> > an NVME SSD on my system and, because it wasn't recognised by the BIOS
> > I had to configure a slightly odd boot sequence to get it to work.
> > 
> > It has been working beautifully through two or three versions of
> > [x]ubuntu until I recently upgraded from 21.10 to 22.04.
> > 
> > The system runs OK but it can't be restarted, I have to power down and
> > power up again, then it boots OK.
> > 
> > If I wait for a while after a restart I see:-
> > 
> >     Gave up waiting for suspend/resume device
> >     Common problems:
> >        -Boot arge (cat /proc/cmdline)
> >           - check rootdelay= (did the system wait long enough?)
> >           - missing modules (cat /proc/modules; ls /dev)
> > 
> >     ALERT: UUID=2d6ff70c-1894-4afa-a35c-5abb40549d3b does not exist.
> >     Dropping to a shell!
> This is output most likely from your initrd, and almost certainly not
> from GRUB. I'm wondering what kind of reboot you're doing. Are you sure
> if a soft boot? Do you see any output from GRUB? It occurs to me that
> you might be doing a kexec reboot, in which case GRUB is not even in
> the picture. Regardless, you're either skipping GRUB or GRUB is working
> enough to hand off to the Linux kernel. So this doesn't seem to be a
> GRUB issue.
Thanks for coming back to me, even though this looks like it isn't a
GRUB issue.

Yes, I do see GRUB talking to me before the above message, I get the
usual list of things that I can boot with older kernels, memtest, etc.

So it looks as if, for some reason, on restart/reboot initrd can't see
the NVME drive. I.e. the kernel hasn't reset/restarted something

Chris Green

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