> Greetings, > > Steven Hartland wrote: >> ----- Original Message ----- From: "Ivan Voras" <[EMAIL PROTECTED]> >>>> The other thing that bothers me is, that under freebsd is quite easy >>>> to get: >>>> [send_ip] sendto: No buffer space available >>>> It happens almost always on my laptop just few seconds after I start >>>> hping with timecounter=TSC >>> >>> I'm not sure, but from what I understood of Robert Watson's >>> explanation in the big ZFS thread on -current, maybe increasing >>> kmem_size (exactly as for ZFS...) could help you with these buffers. >> >> Is this not just running out of mbufs? netstat -m will show if it is >> and the fix >> is to just increase kern.ipc.nmbclusters. > 670/1520/2190 mbufs in use (current/cache/total) > 462/322/784/25600 mbuf clusters in use (current/cache/total/max) > 462/306 mbuf+clusters out of packet secondary zone in use (current/cache) > 0/35/35/12800 4k (page size) jumbo clusters in use > (current/cache/total/max) > 0/0/0/6400 9k jumbo clusters in use (current/cache/total/max) > 0/0/0/3200 16k jumbo clusters in use (current/cache/total/max) > 1091K/1164K/2255K 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) > 0/4/6656 sfbufs in use (current/peak/max) > 0 requests for sfbufs denied > 0 requests for sfbufs delayed > 0 requests for I/O initiated by sendfile > 0 calls to protocol drain routines > > kern.ipc.nmbclusters: 25600
sysctl -a kern.ipc.maxsockbuf ? if net.inet.tcp.recvspace / net.inet.tcp.sendspace greater than kern.ipc.maxsockbuf that can also make : "No buffer space available" > > I do not think I'm running out of mbufs. > And increasing nmbclusters doesn't help. > > Here is what I have for kmem_size. How can I see how much of the kmem > size is used ? vmstat -m :) > > vm.kmem_size_scale: 3 > vm.kmem_size_max: 335544320 > vm.kmem_size_min: 0 > vm.kmem_size: 335544320 > > Something suspicious that I notice is: > vmstat -m|grep devbuf > devbuf 5214 42780K - 6390 > 16,32,64,128,256,512,1024,2048,4096 > > 42MB memory allocated for devbuf ? Is this ok ? > > This is the only thing that 'eat' more then 1-2MB memory reported by > vmstat -m. > > -- > > Best Wishes, > Stefan Lambrev > ICQ# 24134177 > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "[EMAIL PROTECTED]" > _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"