linux-kernel - Re: kvm: repeatable kernel crash with Athlon II cpu

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Date:	Tue, 29 Mar 2016 19:08:44 +0300
From:	Stas Sergeev <stsp@...t.ru>
To:	Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org
Cc:	Stas Sergeev <stsp@...rs.sourceforge.net>,
	Linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: kvm: repeatable kernel crash with Athlon II cpu

29.03.2016 18:37, Paolo Bonzini пишет:
> 
> 
> On 29/03/2016 17:22, Stas Sergeev wrote:
>> I've been running dosemu and found out that it hangs
>> or reboots one of my PCs. This happens with any fedora-23
>> kernels and hand-compiled kernels. The latest I tried, were:
>> 4.4.6-300.fc23.x86_64
>> 4.5.0-rc6
> 
> Can you check if 4.3 works?
Same crash on kernel-4.2.3-300.fc23.x86_64 - the oldest
available for f23.

>> Hope someone can find such an old CPU an reproduce the problem.
>> Please let me know what info should I provide or what debugging
>> to do to help getting that fixed.
> 
> Do you have experience bisecting the kernel?  If so perhaps you can try
> doing that.
But it looks like a genuine bug, not a regression.
Of course I can check some 3.x versions...