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Old 01-20-2020, 08:15 AM   #1
linq
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Registered: May 2010
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Distribution: Slackware 1.0,...64-14.2..
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Not all CPUs entered broadcast exception handler (Kernel panic)


Strange behavior during installation of Slackware current (19.01.20)
on Lenovo C260 monoblock (Celeron J1850, 4 cores):
Kernel panic - .. Not all CPUs entered broadcast exception handler.

After disabling Core multiprocessing in BIOS kernel does load but
keyboard behaves awfully - response delayed, enters multiple symbols etc.
impossible to use keyboard.

For 14.2 kernel loads but keyboard behaves identically.
The installed Suse 13.1 loads and works normally, keyboard too ...
Can't remember Slackware ever having such problems at installation.

Any hints will be appreciated.
 
Old 01-20-2020, 08:24 AM   #2
koloth
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Well,
According to this,
Quote:
"processor.max_cstate=0 intel_idle.max_cstate=0 idle=poll"
seems to help. Maybe give it a try?
 
1 members found this post helpful.
Old 01-20-2020, 08:36 AM   #3
linq
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Yes, it did ! Thanks a lot.
Found somewhere just "max_cstate=0" tried, it didn't help.
 
Old 01-20-2020, 08:50 AM   #4
hazel
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I'd love to know why that works. What was going wrong?
 
Old 01-21-2020, 01:50 AM   #5
koloth
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Quote:
Originally Posted by hazel View Post
I'd love to know why that works. What was going wrong?
I did not read the entire thread i posted ( it is 100+ posts), but I understand it is an incompatibility issue between some Intel CPUs and Glibc?
It seems it can be solved with a bios or UEFI update for specific vendors but the thread is too chaotic to follow.
 
  


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