There is nothing in cron that is done at sunday.
i don't run "periodic" stuff in /etc/crontab
Compile the kernel with the following:
makeoptions DEBUG="-O0 -g"
options KDB # Enable kernel debugger support.
options DDB # Support DDB.
options GDB # Support remote GDB.
options DEADLKRES # Enable the deadlock resolver
options INVARIANTS # Enable calls of extra sanity checking
options INVARIANT_SUPPORT # Extra sanity checks of internal
structures, required by INVARIANTS
options WITNESS # Enable checks to detect deadlocks and
cycles
options WITNESS_SKIPSPIN # Don't run witness on spinlocks for
speed
options DIAGNOSTIC
After kernel panic ddb prompt will be waiting for you. Type in:
dump <enter>
reset <enter>
Make sure you have swap that can handle crashdumps.
already did this part and debug part, but not DDB. As you see - hang not
crashdump
how much would it slow down whole thing?
If less than 2 times it can be - CPU are rerely half loaded
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