I hit this problem 'rcp_preemp detected expedited stalls on CPUs/tasks'
today. When it appears, ssh breaks and any command can not be run. After
upgrading the kernel to a version larger than 5.15.0-60.66 (it's
5.15.0-74-generic now), the problem disappeared.
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I also hit this problem in my x220t + ubuntu 18.04, I successfully fix
it by using the following workaround:
org.gnome.desktop.peripherals.touchpad click-method disabled
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Hi Joseph,
This is my kernel bisect result
$ git checkout bisect/bad
Previous HEAD position was 92923ca... mm: meminit: only set page reserved in
the memblock region
HEAD is now at d70ddd7... mm: page_alloc: pass PFN to __free_pages_bootmem
$ git bisect log
git bisect start
# bad:
Hi,
I also hit the same problem [1], so I perform a kernel bisect among the
following versions:
4.4.0-45 - doesn't work
4.3 - doesn't work
4.2 - failed to start my compute, this is a bad release
4.0 - work
3.14 - failed with the error 'vfio: error, group 9 is not viable,
My computer is Thinkpad T440p
1, I have the same problem as #46 said.
2, and also re-complie kernel 3.14 according to #52 (that patch has been in
kernel 3.4 by checking the file), but can' work
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