[Samba] rogue process, solaris, high load, 3.5.3, printing

[christoph.beyer at desy.de]

Hi,

this is an old problem it was worse in the pre-3.5.0 releases, on solaris 
10 all the cpu gets consumed by fcntl calls:

7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFE050)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDE78)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF58)               = 0
7963:   fcntl(22, F_SETLKW64, 0xFFBFDF70)               = 0

[ snip ]

It happens during every printing related transaction (don't do 
fileservice, probably no difference) in the pre 3.5.0 releases it happened 
already when the client only requested the print queue state. Now it 
happens when any printing transactions are in progress. It slows down the 
machine completely and makes the service unusable. Same setup, same tdb's 
work OK on linux.

Seems to be an old problem:

http://lists-archives.org/samba/21962-rogue-process.html

Any chance to fix this, do you need more debug output  ?

Can't see much tdb activity with tdb:10 (?)

cheers
 	~christoph


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