TCLUG Archive
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Re: [TCLUG:4004] my sound died
On Tue, Feb 09, 1999 at 10:58:51PM -0600, Ben Luey wrote:
>
> fuser /dev/dsp gives nothing (for for /dev/audio, /dev/dsp1, etc). I
> changed my /boot/System.map file and now lsof works, but I don't know how
> to use it to find out what is stopping mp3's from playing. I greped
> ~/.lsof_pclueyb for dsp and got:
>
> e03 8240 /dev/dsp
> e13 8241 /dev/dsp1
>
i do believe the .lsof-<hostname> file is just a cache file for devices, and
is of no concern to anything besides lsof itself.
> put 824[01] aren't valid pids. Any ideas? (or should I just give in and
> reboot?)
>
try doing something like
$ lsof /dev/dsp
this should tell you what is using the device, if anything. here's an ex.
$ lsof /dev/dsp
COMMAND PID USER FD TYPE DEVICE SIZE/OFF INODE NAME
mpg123 940 whisper 4w CHR 14,3 0t0 14489 /dev/dsp
$
lsof can also come in handy if you want to know what is listening on what port
$ lsof -i TCP
COMMAND PID USER FD TYPE DEVICE SIZE/OFF INODE NAME
tcplogd 121 root 0u inet 0x038e7810 0t0 TCP *:6 (CLOSE)
omniNames 130 root 3u inet 0x03760c0c 0t0 TCP *:8086 (LISTEN)
portmap 143 daemon 4u inet 0x037b2810 0t0 TCP *:sunrpc (LISTEN)
xinetd 145 root 4u inet 0x0371c810 0t0 TCP *:telnet (LISTEN)
xinetd 145 root 6u inet 0x0371cc0c 0t0 TCP *:auth (LISTEN)
xinetd 145 root 7u inet 0x03708018 0t0 TCP *:smtp (LISTEN)
omniNames 146 root 3u inet 0x03760c0c 0t0 TCP *:8086 (LISTEN)
omniNames 147 root 3u inet 0x03760c0c 0t0 TCP *:8086 (LISTEN)
sentry 178 root 3u inet 0x0355c018 0t0 TCP *:6 (CLOSE)
XF86_SVGA 190 whisper 0u inet 0x035a9414 0t0 TCP *:6000 (LISTEN)
$
anyway, this is just something to try.
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