Comment # 18 on bug 903874 from Takashi Iwai

(In reply to Joerg Reuter from comment #15)
> I see the same issue on my home machine, similar CPU, same microcode level
> and stepping:
> 
> cpu family      : 6
> model           : 60
> model name      : Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz
> stepping        : 3
> microcode       : 0x1c
> 
> Definitely corelated with suspend to RAM. I'll enable core dump writing now.

Hrm, relevant with microcode?  What if you downgrade/upgrade ucode-intel
package?

I suspected drm/i915 problem at first, but it was about S4 in the past...