Date: Fri, 10 Oct 2008 07:42:34 -0700 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: Vlad GALU <dudu@dudu.ro> Cc: freebsd-stable@freebsd.org Subject: Re: UDP LOR with the latest RELENG_7 Message-ID: <20081010144234.GA34721@icarus.home.lan> In-Reply-To: <ad79ad6b0810100540w7a84d70ajd60cb575149914ef@mail.gmail.com> References: <ad79ad6b0810100540w7a84d70ajd60cb575149914ef@mail.gmail.com>
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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 |
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