System crashed - No associated log entries

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System crashed - No associated log entries

Postby Kevin Seise » 2018-01-15 19:22

I am running testing with kernel 4.14.0-2-amd64 on a Ryzen 1700. I have experienced a few random system crashes including reboots. This morning my system randomly rebooted while I was sitting in front of it. I checked my kernel log, system log, journald log and there was nothing related to a crash in the logs. Can anyone help me diagnose this?
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Re: System crashed - No associated log entries

Postby Head_on_a_Stick » 2018-01-15 19:42

Kevin Seise wrote:I checked my [...] journald log

Debian ships with non-persistent journal logs so you will need to change that if you want to gather some information.

Read
Code: Select all
man journald.conf

and see if you can decipher the "Storage" bit in the "Options" section.

Post back if you can't :D
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Re: System crashed - No associated log entries

Postby Bulkley » 2018-01-15 20:01

Sounds like hardware to me. What were you doing prior to the crashes? Any heavy loads that might stress the system? Video? Games?
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Re: System crashed - No associated log entries

Postby Kevin Seise » 2018-01-17 02:58

I was doing light browsing. Nothing crazy. It also just occurred today while I was away. Nothing was running.
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Re: System crashed - No associated log entries

Postby Head_on_a_Stick » 2018-01-17 05:57

Ryzen is still pretty new, I think sid might be a better choice so you get the latest upstream fixes that bit earlier.
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Re: System crashed - No associated log entries

Postby Kevin Seise » 2018-01-20 15:36

I think I have it configured. I just have to wait for another crash.

Head_on_a_Stick wrote:
Kevin Seise wrote:I checked my [...] journald log

Read
Code: Select all
man journald.conf

and see if you can decipher the "Storage" bit in the "Options" section.

Post back if you can't :D
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Posts: 133
Joined: 2009-09-12 13:21
Location: New Jersey, USA

Re: System crashed - No associated log entries

Postby PeterB » 2018-01-20 17:46

I would try running memtester, memtest86 and memtest86+

Leave running for several hours, or better overnight (assuming CPU cooling is adequate!)


Good luck,
Peter
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Re: System crashed - No associated log entries

Postby PeterB » 2018-01-22 19:16

There are some [BSD] kernel issues reported here, with some configuration/parameter fixes, that might affect Linux as well.
https://www.phoronix.com/forums/forum/phoronix/latest-phoronix-articles/1002538-some-freebsd-users-are-still-running-into-random-lock-ups-with-ryzen

I plan to build a Ryzen system soon, so would be very interested to know of any kernel fixes needed for Debian.


Regards,
Peter
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Re: System crashed - No associated log entries

Postby Kevin Seise » 2018-05-01 01:53

I am still having issues. It seems like the system randomly misplaces my keyboard and therefore doesn't register passwords. At other times, it just locks up. My journald.conf is set to keep logs in persistent space, but they don't survive a crash and reboot.
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