[PlanetCCRMA] FC2 "experimental" kernel install dependency error

Brad Fuller brad@sonaural.com
Thu Nov 4 14:10:02 2004


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Fernando Pablo Lopez-Lezcano wrote:

>On Thu, 2004-11-04 at 13:28, Brad Fuller wrote:
>  
>
>>Fernando Pablo Lopez-Lezcano wrote: 
>>    
>>
>>>On Thu, 2004-11-04 at 13:11, Brad Fuller wrote:
>>>      
>>>
>>>>Fernando Pablo Lopez-Lezcano wrote: 
>>>>        
>>>>
>>>>>See this, specially the part about the realcap startup script, the
>>>>>instructions are different for the 2.6.x kernels...
>>>>>
>>>>>http://ccrma.stanford.edu/planetccrma/software/changelog.html#latestplanetcoretwo
>>>>>          
>>>>>
>>>>I should have said that I did install the realcap script and had it
>>>>start at boot time. Sorry I didn't mention it.
>>>>It didn't help. I think it's something more fundamental.
>>>>        
>>>>
>>>How are you trying to start jack?
>>>  
>>>      
>>>
>># jackstart
>>    
>>
>>>What are the errors it is printing?
>>>  
>>>      
>>>
>>[root@ives root]# jackstart
>>jackstart: cannot get realtime capabilities, current capabilities are:
>>           =ep cap_setpcap-e
>>    probably running under a kernel with capabilities disabled,
>>    a suitable kernel would have printed something like "=eip"
>>    
>>
>
>It looks like realcap is not loaded. To check, do "/sbin/lsmod | grep
>realcap", it should be there. If it is not, load it by hand like
>"/sbin/modprobe realcap allcaps=1". If it is there unload it
>(/sbin/rmmod realcap) and load it again as outlined above. 
>
>And/or try to start it through:
>/etc/rc.d/init.d/realcap start
>or stop it with
>/etc/rc.d/init.d/realcap stop
>
>  
>
You're right, it wasn't loaded. And, it's now working.
The problem: wasn't executable

sshhhheeessshh...

brad


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Fernando Pablo Lopez-Lezcano wrote:
<blockquote cite="mid1099604152.3138.26.camel@cmn37.stanford.edu"
 type="cite">
  <pre wrap="">On Thu, 2004-11-04 at 13:28, Brad Fuller wrote:
  </pre>
  <blockquote type="cite">
    <pre wrap="">Fernando Pablo Lopez-Lezcano wrote: 
    </pre>
    <blockquote type="cite">
      <pre wrap="">On Thu, 2004-11-04 at 13:11, Brad Fuller wrote:
      </pre>
      <blockquote type="cite">
        <pre wrap="">Fernando Pablo Lopez-Lezcano wrote: 
        </pre>
        <blockquote type="cite">
          <pre wrap="">See this, specially the part about the realcap startup script, the
instructions are different for the 2.6.x kernels...

<a class="moz-txt-link-freetext" href="http://ccrma.stanford.edu/planetccrma/software/changelog.html#latestplanetcoretwo">http://ccrma.stanford.edu/planetccrma/software/changelog.html#latestplanetcoretwo</a>
          </pre>
        </blockquote>
        <pre wrap="">I should have said that I did install the realcap script and had it
start at boot time. Sorry I didn't mention it.
It didn't help. I think it's something more fundamental.
        </pre>
      </blockquote>
      <pre wrap="">How are you trying to start jack?
  
      </pre>
    </blockquote>
    <pre wrap=""># jackstart
    </pre>
    <blockquote type="cite">
      <pre wrap="">What are the errors it is printing?
  
      </pre>
    </blockquote>
    <pre wrap="">[root@ives root]# jackstart
jackstart: cannot get realtime capabilities, current capabilities are:
           =ep cap_setpcap-e
    probably running under a kernel with capabilities disabled,
    a suitable kernel would have printed something like "=eip"
    </pre>
  </blockquote>
  <pre wrap=""><!---->
It looks like realcap is not loaded. To check, do "/sbin/lsmod | grep
realcap", it should be there. If it is not, load it by hand like
"/sbin/modprobe realcap allcaps=1". If it is there unload it
(/sbin/rmmod realcap) and load it again as outlined above. 

And/or try to start it through:
/etc/rc.d/init.d/realcap start
or stop it with
/etc/rc.d/init.d/realcap stop

  </pre>
</blockquote>
You're right, it wasn't loaded. And, it's now working. <br>
The problem: wasn't executable<br>
<br>
sshhhheeessshh...<br>
<br>
brad<br>
<br>
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