stress test deadlock involving vm and/or geom

Poul-Henning Kamp phk at phk.freebsd.dk
Thu Sep 29 00:34:10 PDT 2005


In message <200509290731.j8T7V2OR007019 at gw.catspoiler.org>, Don Lewis writes:

>(kgdb) print runningbufspace
>$3 = 1585152
>(kgdb) print lorunningspace
>$4 = 524288
>print hirunningspace
>$5 = 1048576
>
>so runningbufspace >> hirunningspace
>
>The bufdaemon and the syncer both ignore the runningbufspace limit.
>Maybe they should obey the limit, but each be guaranteed a minimum
>quota.

I'm not quite sure what a/the sensible solution is, but the
lemming-syncer certainly is my prime suspect.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.


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