gam_server (gamin-0.1.10_4) consumes 100% CPU (one core) with libinotify (libinotify-20110829)

[Jan Beich]

Lev Serebryakov <lev at FreeBSD.org> writes:

> Hello, Ports.
>
>   I've installed "darktable" port, which brings up "gamin" (configured
>  with  libinotify),  and  now when I run darktable gam_Server consumes
>  100% of my CPU (one core).
>
>   ktrace  shows  that it spins in tight loop with kevent() call, which
>  always failed:
>
>  71730 gam_server 0.000175 CALL  kevent(0x3,0x8043bc000,0xb5,0x7fffffbfdf90,0x1,0)
>  71730 gam_server 0.000239 GIO   fd 3 wrote 4096 bytes
>  71730 gam_server 0.000252 RET   kevent -1 errno 9 Bad file descriptor
>  71730 gam_server 0.000255 CALL  kevent(0x3,0x8043bc000,0xb5,0x7fffffbfdf90,0x1,0)
>  71730 gam_server 0.000312 GIO   fd 3 wrote 4096 bytes
>  71730 gam_server 0.000323 RET   kevent -1 errno 9 Bad file descriptor
>  71730 gam_server 0.000325 CALL  kevent(0x3,0x8043bc000,0xb5,0x7fffffbfdf90,0x1,0)
>  71730 gam_server 0.000382 GIO   fd 3 wrote 4096 bytes
>  71730 gam_server 0.000392 RET   kevent -1 errno 9 Bad file descriptor
>
>    and so on...
>
> I'm using
>
> FreeBSD blob.home.serebryakov.spb.ru 9.0-STABLE FreeBSD 9.0-STABLE #32: Fri Jun  1 00:49:11 MSK 2012     root at blob.home.serebryakov.spb.ru:/usr/obj/usr/src/sys/BLOB  amd64
>
> FS is UFS2.

Same here: 10.0-CURRENT, ZFS, gamin from marcuscom repo.
It doesn't happen with pkgsrc patches, though.