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Testing has shown that the stability problems (panic tracebacks

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showing lockmgr) encountered with "make -jX release" for X > 1
and running on SMP hardware are gone once PREEMPTION is disabled.

Better ideas on fixing the problem are more than welcome.
This commit is contained in:
wilko 2006-06-03 23:10:46 +00:00
parent 1ab8d17367
commit d74a38eeba
1 changed files with 3 additions and 1 deletions
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4
sys/alpha/conf/GENERIC
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@ -44,8 +44,10 @@ options DEC_KN300 # AlphaServer 4100 (Rawhide),
# AlphaServer 1200 (Tincup)
#options SCHED_ULE # ULE scheduler
# PREEMPTION appears to have a negative impact on stability (locking related
# panics) at least on SMP machines.
#options PREEMPTION # Enable kernel thread preemption
options SCHED_4BSD # 4BSD scheduler
options PREEMPTION # Enable kernel thread preemption
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options FFS # Berkeley Fast Filesystem