On 11/21/2016 11:04 AM, Loren Rogers wrote:

On 11/21/2016 12:42 AM, Drew White wrote:
On Sunday, 20 November 2016 04:56:03 UTC+11, Loren Rogers  wrote:
Another correlation I've noticed is that my machine randomly shuts
itself down without warning when I'm browsing in the Anon-Whonix VM. It
seems that simply having the Whonix browser open causes the problem.
I've not been able to pin down an exact cause, but it seems to happen
after about 5-20min. When this happens, the machine sometimes ends up in
a hung state (black screen) at the end of the shutdown process.

I've also noticed that the fan speeds up right at it starts to shutdown.
(The screen turns to the Qubes logo with the progress bar, then the fan
cranks up.) Sometimes the bar makes it all the way to the end, other
times it seems to simply crash to a hault. As I mentioned elsewhere, the
Thinkpad X201t is known to have overheating issues, but I'm not sure if
this is related. I'm not working the machine particularly hard (just
browsing articles on the web), and the hardware is not particularly hot
to the touch.
When it gets to the qubes logo screen, press ESC to see what it's actually doing.

If you wish to always know what it's doing, turn off rhgb and quiet in the boot config.

Then you will see where the issue is.

Thanks, I'll give that a shot next time it happens. I feel like it'll go by too quickly for me to see what's happening; does it also write its activity to a log somewhere?

I can now confirm that it's an over heating issue. When it went into the automatic shutdown sequence, I pressed escape and managed to take note of a few of the messages. One of the very first ones was something about "thermal_zone_0 critical temperature reached: 128C", which I assume is the cause. (This isn't an exact quote, since I noted it from memory.)

This raises some questions:
- What could be causing this overheating issue in Whonix?
- Is 128C a normal temperature for the safety shutdown to kick in?
- Does Qubes have a warning / alert system for potential overheat? (Like low battery)

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