fuser and lsof Re: [olug] MPLAYER Blue screen.

Don E. Kauffman dekauff at cox.net
Sun Oct 2 19:13:22 UTC 2005


Excellent!! Thanks to both Adam and Brian I now know how to debug this a
bit more. 

Don K. 
On Sat, 2005-10-01 at 20:35 -0700, Brian Wiese wrote:
> May also want to try: fuser - identify processes using files or sockets
> 
> e.g.
> 
> bw at freedom:~ $ fuser /dev/stdin
> /dev/stdin:          17190 17254
> bw at freedom:~ $ ps 17190
>   PID TTY      STAT   TIME COMMAND
> 17190 pts/6    Ss     0:00 bash
> 
> 
> Adam Lassek wrote:
> 
> >Install the lsof utility (if you don't have it already) and run:
> >
> >lsof | grep /dev/rtc
> >
> >this will tell you what process is using that device.
> >
> >On 10/1/05, Don E. Kauffman <dekauff at cox.net> wrote:
> >  
> >
> >>Well this is interesting. Video out from MPLAYER is now working again.
> >>I'm not sure what did it. I do have one request though... How does one
> >>find out what process is using a device? For example, the message output
> >>below says that /dev/rtc is not available and to make sure that user has
> >>read permission. I did and user does. How does one proceed from there to
> >>find out what processes may be holding the device?
> >>
> >>Thanks,
> >>
> >>Don
> >>--
> >>"Global warming is just a theory: this is Intelligent Defrosting!"
> >>
> >>-- seen in The Register
> >>
> >>On Fri, 2005-09-30 at 10:35 -0500, Don E. Kauffman wrote:
> >>    
> >>
> >>>I'm trying to understand why mplayer is giving me a blue screen lately
> >>>when it was working before. Below are the messages I get when I run from
> >>>the command line. I 'm sorry i don't have messages to compare it with
> >>>when It was working. I get audio but no images.
> >>>
> >>>I enjoy playing video clips that friends send me so I'd like to get this
> >>>working if I could.   I'd like some help debugging this.
> >>>
> >>>TIA
> >>>
> >>>Don K.
> >>>
> >>>dekauff at kauff-peach:/windows/D/Movies> mplayer ikea2_1.mpeg
> >>>MPlayer 1.0pre7-RPM-3.4.2 (C) 2000-2005 MPlayer Team
> >>>CPU: Advanced Micro Devices Athlon MP/XP Thoroughbred (Family: 6,
> >>>Stepping: 1)
> >>>Detected cache-line size is 64 bytes
> >>>CPUflags:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 0
> >>>Compiled with runtime CPU detection - WARNING - this is not optimal!
> >>>To get best performance, recompile MPlayer with
> >>>--disable-runtime-cpudetection.
> >>>
> >>>
> >>>73 audio & 180 video codecs
> >>>Playing ikea2_1.mpeg.
> >>>Cache fill:  0.00% (0 bytes)    MPEG-PS file format detected.
> >>>VIDEO:  MPEG1  320x240  (aspect 8)  25.000 fps  460.8 kbps (57.6
> >>>kbyte/s)
> >>>==========================================================================
> >>>Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
> >>>AUDIO: 44100 Hz, 2 ch, s16le, 96.0 kbit/6.80% (ratio: 12000->176400)
> >>>Selected audio codec: [mp3] afm:mp3lib (mp3lib MPEG layer-2, layer-3)
> >>>==========================================================================
> >>>vo: X11 running at 1024x768 with depth 16 and 16 bpp (":0.0" => local
> >>>display)
> >>>==========================================================================
> >>>Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
> >>>VDec: vo config request - 320 x 240 (preferred csp: Mpeg PES)
> >>>Could not find matching colorspace - retrying with -vf scale...
> >>>Opening video filter: [scale]
> >>>The selected video_out device is incompatible with this codec.
> >>>VDecoder init failed :(
> >>>Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder
> >>>libmpeg2-v0.4.0b
> >>>Selected video codec: [mpeg12] vfm:libmpeg2 (MPEG 1 or 2 (libmpeg2))
> >>>==========================================================================
> >>>Checking audio filter chain for 44100Hz/2ch/s16le ->
> >>>44100Hz/2ch/s16le...
> >>>AF_pre: 44100Hz/2ch/s16le
> >>>AO: [oss] 44100Hz 2ch s16le (2 bps)
> >>>Building audio filter chain for 44100Hz/2ch/s16le ->
> >>>44100Hz/2ch/s16le...
> >>>Starting playback...
> >>>VDec: vo config request - 320 x 240 (preferred csp: Planar YV12)
> >>>VDec: using Planar YV12 as output csp (no 0)
> >>>Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
> >>>VO: [xv] 320x240 => 320x240 Planar YV12
> >>>
> >>>
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> >>>      
> >>>
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> >>
> >>    
> >>
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> >
> >  
> >
> 
> 




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