vnlur_proc lockups under high disk I/O

[Matthew Dillon]

:I have a semi-production machine running stable from a few months ago. 
:The vnode related sysctl values on this machine are;
:
:kern.maxvnodes = 36053
:kern.minvnodes = 9008
:
:However on the machine I'm having problems with they are; (current stable)
:
:kern.maxvnodes = 16754
:kern.minvnodes = 4188
:
:I've added the previous settings to /etc/sysctl.conf and the problems 
:have not reoccurred. I can now run "cd /usr/pkgsrc && cvs -q update -dP" 
:without problems, previously this would result in a lockup without failure.
:
:I only have standard mounts and am only working within /usr.
:
:df
:Filesystem  1K-blocks   Used    Avail Capacity  Mounted on
:/dev/ad2s1a    254063  47193   186545    20%    /
:/dev/ad2s1d    254063    307   233431     0%    /var
:/dev/ad2s1e    254063      8   233730     0%    /tmp
:/dev/ad2s1f  36606155 346959 33330704     1%    /usr
:procfs              4      4        0   100%    /proc
:
:Do you still want a kernel core?
:
:Regards
:
:Gary

    Yes.  With the larger vnode values... whatever reproduces the lockup
    the best.  Clearly there is something going on here that needs to be
    addressed.

					-Matt
					Matthew Dillon 
					<dillon at xxxxxxxxxxxxx>