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List:       opensuse-factory
Subject:    Re: [opensuse-factory] Workstation randomly freezing!
From:       Carl Symons <carlsymons () gmail ! com>
Date:       2016-05-01 15:32:06
Message-ID: 9885349.nZK6uyQJny () linux
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On Thursday, April 14, 2016 10:27:28 PM PDT Takashi Iwai wrote:
> On Thu, 14 Apr 2016 22:15:40 +0200,
> 
> Darin Perusich wrote:
> > On Thu, Apr 14, 2016 at 12:19 PM, Darin Perusich <darin@darins.net> wrote:
> > >> Also, it might be safer to disable intel_idle and intel_pstate
> > >> drivers, e.g. pass options
> > >> 
> > >>    intel_idle.max_cstate=0 intel_pstate=disable
> > > 
> > > I'll give these options a try before installing the newer kernel.
> > 
> > Setting these kernel parameters had no effect, the system just stopped
> > responding and needed a power cycle. Unfortunately kdump didn't
> > capture anything.
> 
> You may try also i915-quickfix KMP in OBS home:tiwai:bnc974884 repo.
> It has a couple of backports.  Just install
> i915-quickfix-kmp-default.rpm from that repo, reboot and retest.

Installing this generated a package dependency problem
nothing provides ksym(default:cpu_tss) = 3356b90b
solution 1: don't install
solution 2: break i915-quickfix KMP by ignoring dependency

What's the best course of action with this?

Carl

> 
> Speaking of kdump: you should test kdump manually beforehand, just to
> check whether it works at all.  YaST2 kdump setup is often too tight
> and fails when KMS is used.  Run
>    echo -n c > /proc/sysrq-trigger
> and see whether you get a proper kdump.
> 
> 
> Takashi


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