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[LUG]Possible hardware failure - how to diagnose?
- To: list@xxxxxxxxxxxxx
- Subject: [LUG]Possible hardware failure - how to diagnose?
- From: Sebastian via list <list@xxxxxxxxxxxxx>
- Date: Wed, 18 Sep 2024 13:24:42 +0100
- Cc: Sebastian <seabass@xxxxxx>
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Dear all,
My PC has this strange failure in which it completely freezes and stops
responding to input. This happens seemingly randomly, often multiple times a
day, and I have to force-reset the computer each time it occurs. The dedicated
GPU continues to output video, albeit only a frozen picture. It's been becoming
steadily more frequent over the course of a year or two.
I've ruled out storage failure, as it's happened with the operating system on
two different drives on different motherboard SATA ports. Maybe it could be a
motherboard or CPU issue? I can't rule out the possibility that it's a software
problem either, but that seems unlikely, as it has frozen with different Linux
distributions. Debian 12 is what I currently use.
What is particularly puzzling is how it doesn't freeze instantly, but over the
course of a second or two. The first sign is the user interface of applications
such as Firefox not responding to clicks - even when the content that it is
showing continues to respond. The system time stops updating (I have it set to
show seconds, so this is easy to spot). The keyboard input stops working, which
I can tell because the caps-lock key doesn't toggle the associated LED. The GPU
fan spins up to full speed. To add to all of that, not all of these symptoms
occur each time! The only constant is that the system is completely frozen by
the end.
There's also an issue where one or both of my audio interfaces (one
PCI+FireWire, the other built into the motherboard) fails to initialise, and
usually requires a reboot to start. Occasionally restarting pulseaudio by itself
does the trick. I can't tell if this is related to the freezes or not.
This one really has me stumped. Any suggestions for diagnosing this would be
much appreciated!
Many thanks,
Sebastian
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