My Dell XPS-13 has become a problem. I love this computer (I am using
it to write this). The problem is suspending. When I resume from
suspend the keyboard no longer works. After a lot of searching it
seems that this is a kernel bug. I close the lid on this laptop a lot
throughout the day, so having to boot from cold every time I use it
is just not workable. I ended up ordering a PinebookPro to bridge the
gap, as I had some work that needed to get done and upgrading my OS
and kernel and firmware did nothing to fix the problem. Nor did
fiddling with the kernel settings via grub: i8042.reset, for example.

After months of this I finally just realized: I am near power with
this laptop most of the time. I mostly just want to be able to close
the lid and have _some_ level of power saving. I tried this today:

``` /etc/defaults/grub
GRUB_CMDLINE_LINUX="mem_sleep_default=shallow"
```

It had been set to deep instead of shallow. While that means I will
no longer be suspending to ram it does mean that I can get some basic
power savings when I close the lid of the laptop. It is a bummer that
it doesn't quite _solve_ the problem and let me use the laptop as I
have for many years, but at least I can keep using it in a mostly
normal fashion. A quick `sudo update-grub` and then reboot got it set
and goodto go. I am mostly writing this so that I can remember what
I did in case I want to try installing a patched kernel or something
later (or if a version update somehow knocks out my grub defaults and
I need to do this again).

That said, if anyone reading this has any better ideas for getting
a solid suspend to work on this system, let me know.