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SubjectRe: [RFC/RFT patch 0/7] timekeeping: Unify clock MONOTONIC and clock BOOTTIME
Date
On Wednesday, April 25, 2018 8:50:15 AM CEST Pavel Machek wrote:
>
> --ReaqsoxgOBHFXBhH
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> On Tue 2018-04-24 10:09:28, Thomas Gleixner wrote:
> > On Mon, 23 Apr 2018, John Stultz wrote:
> >=20
> > > On Mon, Apr 23, 2018 at 7:45 PM, Genki Sky <sky@genki.is> wrote:
> > > > Quoting Genki Sky (2018/04/23 20:40:36 -0400)
> > > >> I came across this thread for same reason as [0]: Daemons getting
> > > >> killed by systemd on resume (after >WatchdogSec seconds of
> > > >> suspending). I'm using master branch of systemd and the kernel. As
> > > >> mentioned, systemd uses CLOCK_MONOTONIC, originally expecting it to
> > > >> not include suspend time.
> > > >>
> > > >> Correct me if I'm mistaken, but I don't see the ambiguity of whether
> > > >> this patch series breaks systemd. If it's implemented correctly, you=
> 'd
> > > >> hope it *would* break it!
> > > >
> > > > This sounded a little weak on re-reading, sorry. So, I just confirmed
> > > > that after booting a "git revert -m 1 680014d6d1da", the issue no
> > > > longer appears. (I.e., a suspend for >WatchDog sec doesn't result in
> > > > any daemon getting killed).
> > > >
> > > > Let me know if I can help in any way.
> > >=20
> > > Yea, this is the sort of thing I was worried about.
> > >=20
> > > Thomas: I think reverting this change is needed.
> >=20
> > Sigh. I hoped that something like this would be catched before I sent the
> > pull request by those who were actually interested in this change...
>
> Well, we had two regressions in -next this cycle... I reported both
> but bisections were not easy and noone was really interested.

It's more that it was difficult to correlate the reported symptoms with a
particular set of kernel changes.

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