esd leaking file descriptors
Stefan Ehmann
shoesoft at gmx.net
Mon Jun 7 18:37:10 GMT 2004
On Mon, 2004-06-07 at 19:24, Brian Feldman wrote:
> On Sun, Jun 06, 2004 at 10:47:09AM +0200, Stefan Ehmann wrote:
> > When i run mpg321 -o esd foo.mp3 (or any other player that uses esd as
> > output) lsof shows an increasing number of open files. It increases at a
> > rate of about 50 files per second. System will run out of file
> > descriptor eventually.
> >
> Check if esd is encountering exceptional conditions with the ktrace
> facility. You will wnat to run esd with ktrace(1) and then use
> kdump(1) to view the log of system calls. The other PC probably
> also doesn't have the same hardware, so it's not so easy to see if
> it's just a bug in -CURRENT.
I just tried a kernel from June, 1st: esd doesn't leak any file
descriptors. So it's definitely a CURRENT problem.
I couldn't spot anything suspicous using ktrace (That is no notable
difference compared to the other machine).
Here are two excerpts from kdump output that basically repeat all the
time:
1262 esd RET read 4096/0x1000
1262 esd CALL write(0x8,0x8059000,0x1000)
1262 esd GIO fd 8 wrote 4096 bytes
...
1262 esd RET write 4096/0x1000
1262 esd CALL gettimeofday(0xbfbfe598,0)
1262 esd RET gettimeofday 0
1262 esd CALL select(0xa,0xbfbfe510,0,0,0xbfbfe508)
1262 esd RET select 1
1262 esd CALL accept(0x7,0xbfbfe580,0xbfbfe528)
1262 esd RET accept -1 errno 35 Resource temporarily unavailable
1262 esd CALL select(0xa,0xbfbfe4f0,0,0,0xbfbfe478)
1262 esd RET select 1
1262 esd CALL read(0x9,0x805c000,0x1000)
1262 esd GIO fd 9 read 4096 bytes
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