** Tags added: cscc
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https://bugs.launchpad.net/bugs/1742106
Title:
NMI watchdog: BUG: soft lockup - CPU#9 stuck for 22s! [linux:23890]
Status in linux package in Ubuntu:
I'm getting what appears to be the same error after gaming for a couple
hours. About 8 of 16 cores softlock. My Dmesg mentions my amdgpu as
well.
Ubuntu 18.04
4.15.0-33-generic #36-Ubuntu SMP
Someone with a similar error found it was their power supply. I'm going
to try a mainline kernel and see
Can you see if the fix in mainline was already cc'd to stable and in the
latest upstream 4.4 kernel? It can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.111/
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Thanks Joseph, with the 4.15-rc7 kernel, the system seems stable after
16 hours. With the 4.4 kernel, the lockups reproduce within 1-2 hours of
running the workload.
** Tags added: kernel-fixed-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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You received
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.15 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
apport information
** Tags added: apport-collected trusty
** Description changed:
I'm using Ubuntu 14.04.1 LTS with the 4.4.0-104-generic kernel, and
running a user-mode-linux heavy workload. Every now and then, the system
locks up and is subsequently reset by the hardware watchdog. I
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