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Revert the 'performance' setting to 'NONE' from C2. C2 has issues with

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USB in places, as well as having the potential for reducing
performance. Since this is used even when powerd isn't enabled, these
two problems can cause on servers. Supermicro X9 motherboards, for
example, have problems with the virtual IPMI USB keyboards and mice
attaching and detaching repeatedly. Since there are issues on some
CPUs with C2, fail safe by defaulting to not altering it.

MFC After: 3 days
This commit is contained in:
Warner Losh 2016-12-01 04:35:43 +00:00
parent 5ad34286cd
commit 5c42a629c3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=309351
1 changed files with 1 additions and 1 deletions
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2
etc/defaults/rc.conf
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@ -672,7 +672,7 @@ devfs_system_ruleset="" # The name (NOT number) of a ruleset to apply to /dev
devfs_set_rulesets="" # A list of /mount/dev=ruleset_name settings to
# apply (must be mounted already, i.e. fstab(5))
devfs_load_rulesets="YES" # Enable to always load the default rulesets
performance_cx_lowest="C2" # Online CPU idle state
performance_cx_lowest="NONE" # Online CPU idle state
performance_cpu_freq="NONE" # Online CPU frequency
economy_cx_lowest="Cmax" # Offline CPU idle state
economy_cpu_freq="NONE" # Offline CPU frequency