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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: "Luis R. Rodriguez" <mcgrof@kernel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: Xen default install - no cpufreq on dom0 ?
Date: Tue, 23 Feb 2016 22:44:56 +0000	[thread overview]
Message-ID: <56CCE0E8.5030209@citrix.com> (raw)
In-Reply-To: <20160223221809.GI25240@wotan.suse.de>

On 23/02/2016 22:18, Luis R. Rodriguez wrote:
> On Tue, Feb 23, 2016 at 05:00:12PM -0500, Konrad Rzeszutek Wilk wrote:
>> On Tue, Feb 23, 2016 at 12:48:18PM -0800, Luis R. Rodriguez wrote:
>>> For a while now I've been installing Xen from source on my Debian box,
>>> with a default configuration always. This is party why I've run into
>>> compile issues before it seems, but I've also just picked up on
>>> another possible issue. My system on dom0 overheats and shuts itself
>>> off. For a while I didn't think this was Xen related and perhaps
>>> related to the fact that I built this system myself. However, after
>>> running Debian without Xen (rm -rf /boot/xen*; update-grub; reboot;
>>> systemd-detect-virt yield none) it would seem this does not happen.
>>> What's a bit concerning though is even if I run offlineimap in
>>> singlethreaded mode (offlineimap -1) the machine overheats and shuts
>>> itself off, so I don't necessarily need to be doing a lot of work. I
>>> tried compiling the kernel without Xen while running offlineimap as
>>> well with make -j 8 and it doesn't overheat, meanwhile on Xen dom0
>>> just using offlineimap -1 seems to trigger a shutoff rather quickly.
>> What exactly triggers the shutoff.
> Clearly, overheating. I'm not yet sure if its just BIOS/kernel/hypervisor
> induced forced shutdown. Will try again, but this is rather intrusive as
> its on my personal home system.

You have dislodged the heat sync and the processor is shutting down due
to thermal cutout.

This is a hardware issue, not a software issue.

~Andrew

  parent reply	other threads:[~2016-02-23 22:44 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-23 20:48 Luis R. Rodriguez
2016-02-23 22:00 ` Konrad Rzeszutek Wilk
2016-02-23 22:18   ` Luis R. Rodriguez
2016-02-23 22:36     ` Konrad Rzeszutek Wilk
2016-02-23 22:44     ` Andrew Cooper [this message]
2016-02-23 23:44       ` Luis R. Rodriguez
2016-02-23 23:55         ` Andrew Cooper
2016-04-06  3:18           ` Luis R. Rodriguez

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