[fedora-arm] Re: Help testing suspend on arm

On Wed, Aug 29, 2018 at 1:29 PM Robert Moskowitz <rgm@htt-consult.com> wrote:
>
>
>
> On 08/29/2018 08:12 AM, Peter Robinson wrote:
> >>> On 08/21/2018 11:40 AM, Nicolas Chauvet wrote:
> >>>> Hi there,
> >>>>
> >>>> While testing upstream kernel on some devices, I've recently
> >>>> discovered that suspend was broken for "distro kernel" (not only
> >>>> related to fedora kernel, but also ubuntu).
> >>> On the Fedora users list we have had a terrible time with suspend on
> >>> F28. 4.17.3 was ok, but then broke with 4.17.4 and was not, for the
> >>> most part, fixed until 4.17.11. But still even with 4.17.14 a number
> >>> of us are still reporting that suspend fails the first time with the
> >>> system immediately restarting and then when you unlock your system and
> >>> suspend again, that 'takes'.
> >> And we have been getting a weekly kernel update on F28 64 for some time
> >> now. I cannot remember another Fedora release where the kernel updates
> >> have come so frequently for so long.
> > Well there's been just one or two major vulnerabilities this year
> > (spectre/meltdown) that have been a major reason for some of these so
> > it's not unexpected, at least for those that vaguely sort of follow
> > the security industry.
> >
> Not my area of security industry. Protocol design takes up all my
> cycles. But I did hear of these.
>
> How would suspend work with no swap partition? I have to spend a little
> time working out how to use gparted to add a swap partition to a sata HD.

Suspend should be just fine (S3, s2idle etc) , I think you mean
hibernate which writes the contents of RAM out to storage so it can
turn the device off completely.
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