From owner-freebsd-stable@FreeBSD.ORG Fri Oct 10 14:42:53 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9FD011065686 for ; Fri, 10 Oct 2008 14:42:53 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from QMTA08.westchester.pa.mail.comcast.net (qmta08.westchester.pa.mail.comcast.net [76.96.62.80]) by mx1.freebsd.org (Postfix) with ESMTP id 23F748FC16 for ; Fri, 10 Oct 2008 14:42:53 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from OMTA12.westchester.pa.mail.comcast.net ([76.96.62.44]) by QMTA08.westchester.pa.mail.comcast.net with comcast id R2fM1a0070xGWP8582ic1V; Fri, 10 Oct 2008 14:42:36 +0000 Received: from koitsu.dyndns.org ([69.181.141.110]) by OMTA12.westchester.pa.mail.comcast.net with comcast id R2ia1a0062P6wsM3Y2ia2R; Fri, 10 Oct 2008 14:42:35 +0000 X-Authority-Analysis: v=1.0 c=1 a=ySIV48AymN4A:10 a=QycZ5dHgAAAA:8 a=E4Wi8y-h-3e06PV3nPYA:9 a=FFFxOaeyQYn74LPYR8YA:7 a=Hvpq_Fq_zelo2Io_eWub1rjJv50A:4 a=EoioJ0NPDVgA:10 a=LY0hPdMaydYA:10 Received: by icarus.home.lan (Postfix, from userid 1000) id 152FCC9419; Fri, 10 Oct 2008 07:42:34 -0700 (PDT) Date: Fri, 10 Oct 2008 07:42:34 -0700 From: Jeremy Chadwick To: Vlad GALU Message-ID: <20081010144234.GA34721@icarus.home.lan> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) Cc: freebsd-stable@freebsd.org Subject: Re: UDP LOR with the latest RELENG_7 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Oct 2008 14:42:53 -0000 On Fri, Oct 10, 2008 at 03:40:26PM +0300, Vlad GALU wrote: > As my kernel had started to lock up periodically and I don't have > hands-on access to that machine, I enabled WITNESS. > So these started to pop up: > > -- cut here -- > --- syscall (97, FreeBSD ELF64, socket), rip = 0x80070427c, rsp = > 0x7fffffffe8c8, rbp = 0x516348 --- > uma_zalloc_arg: zone "16" with the following non-sleepable locks held: > exclusive rw udp r = 0 (0xffffffff8064c928) locked @ > /usr/src/sys/netinet/udp_usrreq.c:1125 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2a > witness_warn() at witness_warn+0x241 > uma_zalloc_arg() at uma_zalloc_arg+0x290 > malloc() at malloc+0x5c > getenv() at getenv+0x93 > getenv_quad() at getenv_quad+0x13 > getenv_int() at getenv_int+0x15 > udp_inpcb_init() at udp_inpcb_init+0x1f > slab_zalloc() at slab_zalloc+0x1ad > uma_zone_slab() at uma_zone_slab+0xb4 > uma_zalloc_arg() at uma_zalloc_arg+0x31d > in_pcballoc() at in_pcballoc+0x38 > udp_attach() at udp_attach+0x57 > socreate() at socreate+0x14f > socket() at socket+0x8a > syscall() at syscall+0x1a9 > Xfast_syscall() at Xfast_syscall+0xab > --- syscall (97, FreeBSD ELF64, socket), rip = 0x80070427c, rsp = > 0x7fffffffe8c8, rbp = 0x516348 --- > -- and here -- > > I tried to see whether bz@ had this one on his page, but his > website is currently being migrated and the list of LORs was > unavailable. Therefore, sorry if this mail is just noise... Your mail says "latest RELENG_7". What is "latest?" When did you csup? rwatson@ made some UDP-related changes recently which were very important. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |