Re: Suspend-resume failure on Intel Eagle Lake Core2Duo

[Tomi Sarvela]

On 26/07/17 17:26, Thomas Gleixner wrote:
> On Wed, 26 Jul 2017, Martin Peres wrote:
> > On 25/07/17 10:01, Tomi Sarvela wrote:
> > > On 24/07/17 19:37, Martin Peres wrote:
> > > > On 24/07/17 19:35, Thomas Gleixner wrote:
> > > > > On Mon, 24 Jul 2017, Martin Peres wrote:
> > > > > > On 24/07/17 18:28, Thomas Gleixner wrote:
> > > > > > > Output of 'cat /proc/interrupts' and a description what kind of
> > > > > > > 'old' Intel
> > > > > > > platform that is.
> > > > > >
> > > > > > Sorry, I should have repeated the name outside of just the subject of
> > > > > > the
> > > > > > email. It is an Intel Eagle Lake Core2Duo.
> > > > >
> > > > > I hoped you would give me a little bit more details, but I Gurgled it
> > > > > now. I try to find such a beast and look what's wrong there. If I can't
> > > > > find one, I'll come back with some debug patches.
> > > >
> > > > Ha, sorry!
> > > >
> > > > Here is all the info I have:
> > > >    - Hardware: HP Compaq 8000
> > > >    - CPU: Eagle Lake Core2Duo E7500
> > >
> > > As mentioned, it's HP Compaq 8000 Elite, desktop tower in most basic
> > > configuration: one SATA SSD, 4GB memory and so on. Most recent BIOS from
> > > around 2012, no UEFI.
> > >
> > > If you have proposed fix for the issue, I'll be happy to test them.
> > >
> > > Best regards,
> >
> > Thanks for the information Tomi.
> >
> > Thomas, any update on this? Another user reported the problem:
>
> Not yet.
>
> > "I have the same thing on an old cheap laptop.
> > model name      : Intel(R) Core(TM)2 CPU
> > cpu family      : 6
> > model           : 15
> >
> > Previously, this never happened on the kernel series 4.{10,11,12}.
> > After reverted commit bf22ff45bed664 on 4.13-rc2, unfortunately it still hangs
> > when it wakes up.
>
> So reverting that commit does not help. Does it help on your machine?

Yes. Reverting it does not cause the machine to lock up on resume.

I haven't tested if the machine locks up later on, but at least it 
survives couple of s/r cycles.

Tomi
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