The following reply was made to PR kern/35224; it has been noted by GNATS.
From: Stephan Pietzko <stephan.pietzko@uni-konstanz.de>
To: gnats-bugs@NetBSD.org
Cc: kern-bug-people@netbsd.org, gnats-admin@netbsd.org,
netbsd-bugs@netbsd.org
Subject: Re: kern/35224: kernel hangs in mclpl after heavy net load in the sparc64 port (eventually also other ports)
Date: Mon, 11 Dec 2006 17:14:42 +0100
Pavel Cahyna <pavel@NetBSD.org> wrote
> > This sounds like a mbuf leak. Check netstat output, maybe you can spot where
> > the mbuf are lingering.
> Preferably netstat -mssv with a kernel built with "options MBUFTRACE"
Ok - after one day i had the same problem again.
The httpd daemon hangs in mclpl condition again.
lsof said for several connections
'0t0 TCP no PCB, CANTSENDMORE, CANTRCVMORE'
hth Stephan
----------------------------------------------------------------------
And netstat -mssv says:
(if it is interesting, i have the output from every 20min)
root@nepal:/var/tmp> cat netstat.200612111700
2818 mbufs in use:
2652 mbufs allocated to data
166 mbufs allocated to packet headers
4176 calls to protocol drain routines
small ext cluster
route inuse 0 0 0
claims 31 0 0
releases 31 0 0
arp inuse 0 0 0
claims 70979 0 0
releases 70979 0 0
unix inuse 0 0 0
claims 14176 27 27
releases 14176 27 27
internet6 inuse 0 0 0
claims 3 0 0
releases 3 0 0
tcp inuse 166 0 0
claims 32254 0 0
releases 32088 0 0
tcp rx inuse 254 56 56
claims 161841104 12655 12655
releases 161840850 12599 12599
tcp tx inuse 2398 511 378
claims 1193613013 380746746 263702503
releases 1193610615 380746235 263702125
udp inuse 0 0 0
claims 372 0 0
releases 372 0 0
small ext cluster
udp rx inuse 0 0 0
claims 337730 2 2
releases 337730 2 2
udp tx inuse 0 0 0
claims 370 0 0
releases 370 0 0
internet rx inuse 0 0 0
claims 162295296 17445 17445
releases 162295296 17445 17445
internet tx inuse 0 0 0
claims 285747856 0 0
releases 285747856 0 0
lo0 inuse 0 0 0
claims 48 0 0
releases 48 0 0
hme0 rx inuse 0 0 0
claims 162772341 19318 19318
releases 162772341 19318 19318
hme0 tx inuse 0 0 0
claims 852431570 296636379 198341873
releases 852431570 296636379 198341873
unknown data inuse 0 0 0
claims 1070662544 19318 19318
releases 1070662544 19318 19318
small ext cluster
unknown header inuse 0 0 0
claims 285745681 0 0
releases 285745681 0 0
unknown soname inuse 0 0 0
claims 40926 0 0
releases 40926 0 0
unknown soopts inuse 0 0 0
claims 70 0 0
releases 70 0 0
unknown control inuse 0 0 0
claims 18 0 0
releases 18 0 0