Comment # 8 on bug 1198699 from Takashi Iwai

(In reply to Christian Lorch from comment #6)
> (In reply to Takashi Iwai from comment #2)
> > The basic information (hwinfo and kernel dmesg outputs around the
> > suspend/resume) would be helpful.  At best, the kernel logs at the working
> > case and non-working cases for comparison.
> > 
> > Usually when the kernel refuses to suspend, it shows some reasons (e.g. a
> > USB device didn't go to the suspend state).
> 
> what kernel logs (or which command?) - thanks for your assistance

I meant the kernel messages (dmesg output or journal).

But looking at your later comments, the problem seems intermittent.  We need to
figure out how to reliably reproduce the problem...