atheros driver under high load, panics and even more freezes

[Daniel Dvořák]

And I forgot to attach netstat -m

Daniel
> -----Original Message-----
> From: Sam Leffler [mailto:sam at errno.com] 
> Sent: Sunday, September 03, 2006 6:41 PM
> To: dandee at volny.cz
> Cc: freebsd-stable at freebsd.org
> Subject: Re: atheros driver under high load, panics and even 
> more freezes
> 
> Daniel Dvořák wrote:
> > Ok, I will upgrade my boxes and I will do simple ping tests again.
> > 
> > Did you see my sysctl.conf file ?
> > 
> > I mean these options:
> > 
> > kern.ipc.maxsockbuf=2097152
> > net.inet.ip.fastforwarding=1
> > net.inet.tcp.sendspace=65536
> > 
> > Could be this connected with increasing latency up to 500ms ?
> 
> Seems unlikely but I have little to go on.  You can easily 
> identify whether the delays are in the OS or due to wireless 
> issues by sniffing traffic.  Tools like athstats are also 
> important for diagnosing problems.
> 
> 	Sam
> 
-------------- next part --------------
before the test:


180/1005/1185 mbufs in use (current/cache/total)
172/420/592/7872 mbuf clusters in use (current/cache/total/max)
169/215 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)
389K/1091K/1480K 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)
0/7/2224 sfbufs in use (current/peak/max)
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile
488 calls to protocol drain routines



during the test:

702/483/1185 mbufs in use (current/cache/total)
317/275/592/7872 mbuf clusters in use (current/cache/total/max)
168/216 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)
809K/670K/1480K 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)
0/7/2224 sfbufs in use (current/peak/max)
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile
488 calls to protocol drain routines


after the test:

181/1004/1185 mbufs in use (current/cache/total)
171/421/592/7872 mbuf clusters in use (current/cache/total/max)
168/216 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)
387K/1093K/1480K 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)
0/7/2224 sfbufs in use (current/peak/max)
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile
488 calls to protocol drain routines