Date: Wed, 17 May 2006 17:43:44 +0200 From: Sam Leffler <sam@errno.com> To: Ross Finlayson <finlayson@live555.com> Cc: freebsd-mobile@freebsd.org Subject: Re: More 'resource' problems with "ath0" Message-ID: <446B44B0.5030908@errno.com> In-Reply-To: <7.0.1.0.1.20060517080119.01e00df8@live555.com> References: <7.0.1.0.1.20060517080119.01e00df8@live555.com>
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Ross Finlayson wrote: > The problems are occurring even with a very recently built kernel: > > %cat /etc/motd > FreeBSD 6.1-STABLE (GENERIC) #0: Tue May 16 15:55:19 PDT 2006 > > May 17 07:53:22 ns dhcpd: send_packet: No buffer space available > May 17 07:53:25 ns dhcpd: send_packet: No buffer space available > May 17 07:53:35 ns named[382]: client 66.80.62.46#1026: error sending > response: not enough free resources > > Note that client 66.80.62.46 is on "ath0". > > %netstat -m > 188/337/525 mbufs in use (current/cache/total) > 109/205/314/10688 mbuf clusters in use (current/cache/total/max) > 109/147 mbuf+clusters out of packet secondary zone in use (current/cache) > 0/0/0/0 4k (page size) jumbo clusters in use (current/cache/total/max) > 0/0/0/0 9k jumbo clusters in use (current/cache/total/max) > 0/0/0/0 16k jumbo clusters in use (current/cache/total/max) > 265K/494K/759K bytes allocated to network (current/cache/total) > 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters) > 0/0/0 requests for jumbo clusters denied (4k/9k/16k) > 0/87/2928 sfbufs in use (current/peak/max) > 0 requests for sfbufs denied > 0 requests for sfbufs delayed > 1904 requests for I/O initiated by sendfile > 246 calls to protocol drain routines > > Any ideas? Has anyone else run into this problem? > > Is there anything else I can run (other than "netstat -m") to help > diagnose this problem? Please do not cross-post. The transmit queue is full; you need to understand why. Basic info includes the card info (dmes|grep ath) and ifconfig output. It usually helps to explain how you make your problem to occur--if you can identify something you are doing. Past that there are tools in src/tools/tools such as ath/athstats for dumping the driver statistics. Sam
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