LOCK_PROFILING

Pramod Srinivasan <[email protected]> Tue, 18 Aug 2009 23:30:25 -0700

Newsgroups	gmane.os.freebsd.devel.smp
Message-ID	<C6B0EA11.15AFC%[email protected]>

Hi Folks,

I have a difficult problem I am stuck with,  we had ported LOCK_PROFILING t=
o
FreeBSD 6.1 and is working fine on mips, but fails miserably on i386.

Just enabling lock profiling by the sysctl causes the cpu to reset.

root@bcdcpu3% sysctl debug.lock.prof.enable=3D1
debug.lock.pr?  << cpu resets here

Has any one seen similar issues? Any pointers on where to start debugging
this issue?

The suspicion is that the spin-lock is perhaps contributing to the problem,
but have not been able to get to the bottom.

Thanks,
Pramod

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