Machine unresponsive with cache_lock: blocked on... message

Matthew Dillon dillon at
Tue Mar 23 16:38:12 PDT 2010

:On Tue, 23 Mar 2010 14:15:43 -0700 (PDT)
:Matthew Dillon <dillon at> wrote:
:>     You can change the VM paging targets.  You can try reducing
:>     vm.stats.vm.v_inactive_target.  Those values are in pages.  Do
:>     not make it too small.
:	Apparently it's read only - boot time setting only ?

    Ooops, wrong sysctl.  Use sysctl vm.v_inactive_target.  Don't make
    it any smaller than 1/4 vm.stats.vm.v_page_count.

					Matthew Dillon 
					<dillon at>

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