Soft lockup error

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Soft lockup error

Postby DeadTOm76 » 2019-05-30 19:07

I have an old Dell Optiplex at home, acting as a file server.

Debian 9.9
4.9.0-9-amd64 #1 SMP Debian 4.9.168-1+deb9u2 (2019-05-13) x86_64 GNU/Linux
Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz
4GB of RAM

Twice this week, I've come home to find it completely unresponsive. I have to hold the power button to shut it down, and when it comes back up, kern.log shows a bunch of soft lockup errors.

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kernel: [668060.108000] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [ps:31104]


Here is a bigger snippet of kern.log, on pastebin --> https://pastebin.com/pW2K5Z8t.

Everything I've found here and other places online says this is a bug that was resolved in an older kernel version, which isn't terribly helpful.

I have no idea what most of this information out of kern.log means. If someone smarter than me could point me in a direction here, I would greatly appreciate it.
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Re: Soft lockup error

Postby Head_on_a_Stick » 2019-05-30 20:06

You have a stack trace in the log but the symbols are missing.

If you install the kernel from the debug repository[1] and can reproduce this then you should probably submit a bug report with the trace included.

The systemd-coredump package will let you use
Code: Select all
coredumpctl

to collect the information.

[1] Add this line to your sources:
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deb http://deb.debian.org/debian-debug stretch-debug main

Then use
Code: Select all
# apt install -t stretch-debug linux-image-$(uname -r)
Black Lives Matter

Debian buster-backports ISO image: for new hardware support
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Re: Soft lockup error

Postby DeadTOm76 » 2019-05-30 20:09

Alright. That's what I'll do. Thanks for the info.
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Re: Soft lockup error

Postby kampmannpeine » 2020-09-22 15:49

Is there any success?
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