Re: [qubes-users] appvm crashing whole computer?

2022-06-15 Thread Stumpy

On 6/15/22 10:47, Andrew David Wong wrote:

On 6/15/22 3:35 AM, Stumpy wrote:
My computer started freezing up recently and I had origonally thought 
(as it is pretty old) that it was dying. I then realized that it 
*seems* to be an appvm, or something within this appvm that is 
crashing the computer as, so far, the computer has not crashed if i 
dont have the appvm open.


My question(s) are, I thought appvms or apps in them where "contained" 
so couldnt crash a whole system? and, are there some logs that can 
help figure out what is happening?


Thanks!



It is possible that running a resource-intensive process inside of an 
app qube could cause an old or poorly-ventilated computer to crash. (For 
example, it's common for dust to accumulate on CPU heat sinks after 
years of operation, causing thermal limits to be reached even under 
normal workloads.) If this is the case, everything could still be 
properly "contained" from a security perspective and nothing malicious 
need be afoot. It could just be that the underlying hardware is failing 
under load, which often manifests as spontaneous hard reboots.


This is just one possibility to consider.



Thanks.
If a cpu intensive task can do that then that might be the problem. My 
setup is old, but i keep it pretty clean so dust/overheating seems less 
likely. It is my "multimedia" appvm that I have sshfs'd to a network 
drive playing music on a win app via wine, which doesnt seem super 
intensive but xentop tells me otherwise. The thing is, I have had this 
setup for years and it hasnt been a problem until now?


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Re: [qubes-users] appvm crashing whole computer?

2022-06-15 Thread Andrew David Wong

On 6/15/22 3:35 AM, Stumpy wrote:
My computer started freezing up recently and I had origonally thought 
(as it is pretty old) that it was dying. I then realized that it *seems* 
to be an appvm, or something within this appvm that is crashing the 
computer as, so far, the computer has not crashed if i dont have the 
appvm open.


My question(s) are, I thought appvms or apps in them where "contained" 
so couldnt crash a whole system? and, are there some logs that can help 
figure out what is happening?


Thanks!



It is possible that running a resource-intensive process inside of an 
app qube could cause an old or poorly-ventilated computer to crash. (For 
example, it's common for dust to accumulate on CPU heat sinks after 
years of operation, causing thermal limits to be reached even under 
normal workloads.) If this is the case, everything could still be 
properly "contained" from a security perspective and nothing malicious 
need be afoot. It could just be that the underlying hardware is failing 
under load, which often manifests as spontaneous hard reboots.


This is just one possibility to consider.

--
Andrew David Wong
Community Manager
The Qubes OS Project
https://www.qubes-os.org

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[qubes-users] appvm crashing whole computer?

2022-06-15 Thread Stumpy
My computer started freezing up recently and I had origonally thought 
(as it is pretty old) that it was dying. I then realized that it *seems* 
to be an appvm, or something within this appvm that is crashing the 
computer as, so far, the computer has not crashed if i dont have the 
appvm open.


My question(s) are, I thought appvms or apps in them where "contained" 
so couldnt crash a whole system? and, are there some logs that can help 
figure out what is happening?


Thanks!

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