From owner-freebsd-hackers  Tue Jan  1  8:42:22 2002
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Date: Tue, 1 Jan 2002 11:42:07 EST
Subject: Re: Running out of bufferspace
To: drwilco@drwilco.net
Cc: hackers@freebsd.org
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In a message dated 12/31/01 11:52:47 PM Eastern Standard Time, 
drwilco@drwilco.net writes:

> Thing is, my mbufs are fine, peak is 1/3rd of max. I also use sowriteable() 
>  to check if it's safe to send, and sbspace() tells me I have the full 128K 
>  sndbuf that I configured available.
>  
>  So I have 2 questions...
>  1) which buffers are there that I can run out of here and where can I 
check 
>  their status?
>  2) Should I free() the uio I get from userspace after I have passed it to 
>  the sosend?
>  


Just note that  "no buffers" often means that the queue is full, not that you 
are out of system buffers. You may be chasing a ghost. 

Dennis

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