Re: new attempt to solve an old problem with gkrellmsss

On 2010.09.29 12:38, Bill Wilson wrote:
> On Tue, 28 Sep 2010 17:32:43 -0400
> Jack <[email protected]> wrote:
> > On 2010.09.20 09:05, Jack wrote:
> > > On 2010.09.17 19:14, Bill Wilson wrote:
> > >> I've got  another tarball for you to try, same link:
> > >>
> > >>     
> http://members.dslextreme.com/users/billw/test/gkrellmss.tar.gz
> >
>>> I've played some more with this.  The error is coming from the  
>>> ...._set_buffer_size call, but the particular error message of  
>>> Invalid Argument doesn't make sense to me.  I tried smaller and  
>>> larger values, all with the same error.  I tried using the  
>>> ..._set_buffer_size_near call instead - same error.  I then tried  
>>> commenting out that call.  No error.  In that case, the console  
>>> says:
> > >   ALSA set periods min 2 (1)
> > >   ALSA set periods first 2 (1)
> > >   ALSA pcm opened OK.  n_frames=940
> > >   gdk_input_add: 5  bufsize: 3760
>>> Calling ..._get_buffer_size also gives the same Invalid Argument  
>>> error - but that is as a substitute for the set call.  I suppose  
>>> setting it to 3760 would work, but I can't tell where that number  
>>> comes from, and why bother to set it if it works without?
> >
>> I've taken the new gkrellmss.so compiled from the tarball with that  
>> one call commented out, and put in in ~/.gkrellm2/plugins, and it  
>> seems to be working fine.  I'd still love to know if the error is  
>> due to some misconfiguration on my machine, or do I just chalk it up  
>> to "blue magic dust and phase of the moon?"
> >
> > Anyway - thanks for getting me to a version that works.
> 
> The n_frames you get without setting the buffer size seems an odd  
> size to me and says that maybe your ALSA (due to your sound card  
> maybe????) has some hard wired limit on what the size can be.  If I  
> don't set the buffer size on my machine, I get a n_frames blowup of  
> 349525 and this makes the plugin not work in real time because it  
> then takes seconds to fill up the buffer.
> 
> So gkrellmss needs to at least try to set the ALSA buffer size.  But  
> if it fails as in your case, I'm now letting the program continue on  
> its merry way which should reduce to your case of not making the call  
> at all.  At least I expect that, but to be sure, can you try one last  
> test with a new tarball, same link again?
> 
> Run gkrellm on the plugin with the -debug46 flag to output the buffer  
> size info.
> 
> On my machine the -debug46 is giving:
> 
> ALSA set periods min request:  2  actual: 3  dir: 0
> ALSA set periods first actual: 3  dir: 0
> ALSA set buffer size request: 3072
> ALSA set buffer size actual:  3072
> ALSA pcm opened OK. n_frames: 1024
> gdk_input_add: 11  pipe size: 4096

OK - no errors with this one.  Output is:

ALSA set periods min request:  2  actual: 2  dir: 1
ALSA set periods first actual: 2  dir: 1
ALSA set buffer size request: 2048
ALSA set buffer size actual:  2822
ALSA pcm opened OK. n_frames: 940
gdk_input_add: 5  pipe size: 3760


lspci -vv for my audio (built into the Asus M2N4-SLI motherboard) gives:
	Multimedia audio controller: nVidia Corporation CK804 AC'97  
Audio Controller (rev a2)
         Subsystem: ASUSTeK Computer Inc. Device 822c
         Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-  
ParErr- Stepping- SERR- FastB2B- DisINTx-
         Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-  
<TAbort- <MAbort- >SERR- <PERR- INTx-
         Latency: 0 (500ns min, 1250ns max)
         Interrupt: pin A routed to IRQ 22
         Region 0: I/O ports at f000 [size=256]
         Region 1: I/O ports at ec00 [size=256]
         Region 2: Memory at fe02d000 (32-bit, non-prefetchable)  
[size=4K]
         Capabilities: [44] Power Management version 2
                 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA  
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                 Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
         Kernel driver in use: Intel ICH
         Kernel modules: snd-intel8x0
just in case anything there looks off.   Let me know if there any other  
info I can provide, but as this now works for me, I'm happy.

Thanks again.

Jack

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