Date: Fri, 10 Oct 2008 18:11:25 +0300 From: "Vlad GALU" <dudu@dudu.ro> To: "Mike Tancsa" <mike@sentex.net> Cc: freebsd-stable@freebsd.org Subject: Re: UDP LOR with the latest RELENG_7 Message-ID: <ad79ad6b0810100811x2a871854ve326f54fc3e0a680@mail.gmail.com> In-Reply-To: <200810101458.m9AEw2KI082581@lava.sentex.ca> References: <ad79ad6b0810100540w7a84d70ajd60cb575149914ef@mail.gmail.com> <200810101458.m9AEw2KI082581@lava.sentex.ca>
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On Fri, Oct 10, 2008 at 5:57 PM, Mike Tancsa <mike@sentex.net> wrote: > At 08:40 AM 10/10/2008, 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: > > Is this with a stock kernel and sysctl settings ? Or do you have any custom > kernel options ? Jeremy pointed to a possible culprit - running csup again brought uipc_usrreq.c to version 1.206.2.5. I'm rebuilding a new kernel with this revision as I type and I'll see how it goes. I'm attaching the sysctl.conf below just to be safe: -- cut here -- kern.ipc.maxsockets=32768 kern.ipc.nmbclusters=65536 kern.ipc.shmall=134217728 kern.ipc.shmmax=134217728 kern.logsigexit=0 kern.maxfiles=131072 kern.maxfilesperproc=32768 kern.randompid=100 kern.random.sys.harvest.swi=1 kern.securelevel=-1 net.bpf.bufsize=1048576 net.bpf.maxbufsize=1048576 net.inet.icmp.drop_redirect=1 net.inet.icmp.icmplim=20 net.inet.icmp.icmplim_output=0 net.inet.icmp.maskrepl=0 net.inet.icmp.reply_from_interface=1 net.inet.ip.check_interface=0 net.inet.ip.forwarding=1 net.inet.ip.fastforwarding=1 net.inet.ip.process_options=0 net.inet.ip.random_id=0 # scrubbing with pf net.inet.ip.redirect=0 net.inet.ip.stealth=1 net.inet.tcp.always_keepalive=1 net.inet.tcp.blackhole=2 net.inet.tcp.delayed_ack=1 net.inet.tcp.drop_synfin=1 net.inet.tcp.log_in_vain=0 net.inet.tcp.recvspace=32768 net.inet.tcp.rfc1323=1 net.inet.tcp.rfc3042=1 net.inet.tcp.rfc3390=1 net.inet.tcp.sack.enable=1 net.inet.tcp.sendspace=32768 net.inet.tcp.syncookies=0 net.inet.udp.blackhole=1 net.inet.udp.log_in_vain=0 net.link.ether.inet.max_age=1200 security.bsd.conservative_signals=1 security.bsd.hardlink_check_gid=0 security.bsd.hardlink_check_uid=1 security.bsd.see_other_gids=0 security.bsd.see_other_uids=0 security.bsd.suser_enabled=1 security.bsd.unprivileged_get_quota=0 security.bsd.unprivileged_proc_debug=0 security.bsd.unprivileged_read_msgbuf=0 security.jail.allow_raw_sockets=0 security.jail.set_hostname_allowed=0 security.jail.socket_unixiproute_only=1 security.jail.sysvipc_allowed=0 security.mac.seeotheruids.enabled=1 security.mac.seeotheruids.specificgid_enabled=1 security.mac.seeotheruids.specificgid=0 vfs.hirunningspace=33554432 vfs.read_max=16 vfs.ufs.dirhash_maxmem=8388608 -- and here -- > > ---Mike > >> -- 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... >> >> >> -- >> ~/.signature: no such file or directory >> _______________________________________________ >> freebsd-stable@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > > -- ~/.signature: no such file or directory
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