linux-kernel - Re: [BUG] oops in cpufreq driver with AMD Kaveri CPU

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Message-ID: <9508464.Rg48i9FdUc@spock>
Date:	Tue, 18 Nov 2014 21:07:51 +0200
From:	Oleksandr Natalenko <oleksandr@...alenko.name>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	linux-acpi@...r.kernel.org
Subject: Re: [BUG] oops in cpufreq driver with AMD Kaveri CPU

Hmmm, weird, acpi=off as well as disabling ASPM and NMI watchdog didn't help :
(.

Now trying to update BIOS.

P.S. Still affected while using 3.17.2 kernel.

On Tuesday 11 November 2014 12:41:18 Oleksandr Natalenko wrote:
> It seems that this bug has nothing to do with acpi-cpufreq code but with
> another ACPI area.
> 
> With ACPI enabled kernel may hang in a day or in a week (never survived more
> than approx. 2 weeks). With acpi=off it seems to work OK. For instance, I
> had to boot Ubuntu installer with acpi disabled to finish it successfully.
> 
> Usually, hanging is not accompanied by panic log. Only small vertical red
> lines appear on the screen near letters (tried to use plaintext 80x25
> console without radeon and got the same issue).
> 
> Still observing this for 3.16 kernel.
> 
> On Wednesday 13 August 2014 10:12:06 Viresh Kumar wrote:
> > On 13 August 2014 00:24, Oleksandr Natalenko <oleksandr@...alenko.name>
> 
> wrote:
> > > Updated logs.
> > 
> > Also will it be possible for you to find the last working kernel after
> > which this
> > happened?
-- 
Oleksandr post-factum Natalenko, MSc
pf-kernel community
https://natalenko.name/
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