From owner-freebsd-threads@FreeBSD.ORG Mon Aug 10 11:07:06 2009 Return-Path: Delivered-To: freebsd-threads@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8A68D106566B for ; Mon, 10 Aug 2009 11:07:06 +0000 (UTC) (envelope-from owner-bugmaster@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 6F8528FC1A for ; Mon, 10 Aug 2009 11:07:06 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n7AB76Mh025332 for ; Mon, 10 Aug 2009 11:07:06 GMT (envelope-from owner-bugmaster@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n7AB75Lt025328 for freebsd-threads@FreeBSD.org; Mon, 10 Aug 2009 11:07:05 GMT (envelope-from owner-bugmaster@FreeBSD.org) Date: Mon, 10 Aug 2009 11:07:05 GMT Message-Id: <200908101107.n7AB75Lt025328@freefall.freebsd.org> X-Authentication-Warning: freefall.freebsd.org: gnats set sender to owner-bugmaster@FreeBSD.org using -f From: FreeBSD bugmaster To: freebsd-threads@FreeBSD.org Cc: Subject: Current problem reports assigned to freebsd-threads@FreeBSD.org X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Aug 2009 11:07:06 -0000 Note: to view an individual PR, use: http://www.freebsd.org/cgi/query-pr.cgi?pr=(number). The following is a listing of current problems submitted by FreeBSD users. These represent problem reports covering all versions including experimental development code and obsolete releases. S Tracker Resp. Description -------------------------------------------------------------------------------- o threa/136345 threads Recursive read rwlocks in thread A cause deadlock with o threa/135673 threads databases/mysql50-server - MySQL query lock-ups on 7.2 o threa/135462 threads [PATCH] _thread_cleanupspecific() doesn't handle delet o threa/133734 threads 32 bit libthr failing pthread_create() o threa/128922 threads threads hang with xorg running o threa/127225 threads bug in lib/libthr/thread/thr_init.c o threa/122923 threads 'nice' does not prevent background process from steali o threa/121336 threads lang/neko threading ok on UP, broken on SMP (FreeBSD 7 o threa/118715 threads kse problem o threa/116668 threads can no longer use jdk15 with libthr on -stable SMP o threa/116181 threads /dev/io-related io access permissions are not propagat o threa/115211 threads pthread_atfork misbehaves in initial thread o threa/110636 threads [request] gdb(1): using gdb with multi thread applicat o threa/110306 threads apache 2.0 segmentation violation when calling gethost o threa/103975 threads Implicit loading/unloading of libpthread.so may crash o threa/101323 threads [patch] fork(2) in threaded programs broken. s threa/100815 threads FBSD 5.5 broke nanosleep in libc_r s threa/94467 threads send(), sendto() and sendmsg() are not correct in libc s threa/84483 threads problems with devel/nspr and -lc_r on 4.x o threa/83914 threads [libc] popen() doesn't work in static threaded program o threa/80992 threads abort() sometimes not caught by gdb depending on threa o threa/80435 threads panic on high loads o threa/79887 threads [patch] freopen() isn't thread-safe o threa/79683 threads svctcp_create() fails if multiple threads call at the s threa/76694 threads fork cause hang in dup()/close() function in child (-l s threa/76690 threads fork hang in child for -lc_r o threa/75374 threads pthread_kill() ignores SA_SIGINFO flag o threa/75273 threads FBSD 5.3 libpthread (KSE) bug o threa/72953 threads fork() unblocks blocked signals w/o PTHREAD_SCOPE_SYST o threa/70975 threads [sysvipc] unexpected and unreliable behaviour when usi s threa/69020 threads pthreads library leaks _gc_mutex s threa/49087 threads Signals lost in programs linked with libc_r s threa/48856 threads Setting SIGCHLD to SIG_IGN still leaves zombies under s threa/40671 threads pthread_cancel doesn't remove thread from condition qu s threa/39922 threads [threads] [patch] Threaded applications executed with s threa/37676 threads libc_r: msgsnd(), msgrcv(), pread(), pwrite() need wra s threa/34536 threads accept() blocks other threads s threa/32295 threads [libc_r] [patch] pthread(3) dont dequeue signals s threa/30464 threads pthread mutex attributes -- pshared s threa/24632 threads libc_r delicate deviation from libc in handling SIGCHL s threa/24472 threads libc_r does not honor SO_SNDTIMEO/SO_RCVTIMEO socket o 41 problems total. From owner-freebsd-threads@FreeBSD.ORG Mon Aug 10 13:53:59 2009 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 31B28106566B for ; Mon, 10 Aug 2009 13:53:59 +0000 (UTC) (envelope-from evansg@otenet.gr) Received: from noc.otenet.gr (noc.otenet.gr [195.170.0.29]) by mx1.freebsd.org (Postfix) with ESMTP id A76C68FC31 for ; Mon, 10 Aug 2009 13:53:58 +0000 (UTC) Received: from [212.205.221.149] (yagi.otenet.gr [212.205.221.149]) by noc.otenet.gr (Postfix) with ESMTP id 0ED998B8030 for ; Mon, 10 Aug 2009 16:21:32 +0300 (EEST) From: Evangelos Souglakos To: freebsd-threads@freebsd.org Content-Type: text/plain Organization: OTE S.A. Date: Mon, 10 Aug 2009 16:21:25 +0300 Message-Id: <1249910485.6848.48.camel@yagi.otenet.gr> Mime-Version: 1.0 X-Mailer: Evolution 2.26.0 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Subject: Signal 11 on dansguardian threads and freebsd X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Aug 2009 13:53:59 -0000 Using the latest version of dansguardian web filter daemon i still can see signal 11 errors to messages. pid 42464 (dansguardian), uid 106: exited on signal 11 pid 42603 (dansguardian), uid 106: exited on signal 11 pid 42511 (dansguardian), uid 106: exited on signal 11 pid 42447 (dansguardian), uid 106: exited on signal 11 pid 42407 (dansguardian), uid 106: exited on signal 11 pid 42812 (dansguardian), uid 106: exited on signal 11 This problem occurs to all my servers running freebsd 7.1 x64 and dansguardian with squid 3.0. I think that it is a sysctl fine tuning (maybe) but i still cannot find the solution. All of my servers have 8gb ram and dual intel xeon cpus. Some of my tunning attemtps to sysctl.conf net.inet.tcp.sendspace=65536 net.inet.tcp.recvspace=65536 net.inet.ip.redirect=0 net.inet.tcp.syncookies=1 net.inet.tcp.delayed_ack=0 kern.coredump=0 kern.maxfiles=204800 kern.maxfilesperproc=200000 kern.maxprocperuid=32768 kern.ipc.somaxconn=4096 kern.ipc.maxsockbuf=2097152 kern.ipc.maxsockets=204800 kern.ipc.nmbclusters=32768 net.inet.udp.maxdgram=57344 net.inet.icmp.icmplim=500 #Port Ranges net.inet.ip.portrange.last=65535 net.inet.ip.portrange.first=10000 #nat purposes net.inet.ip.forwarding=1 net.inet.tcp.blackhole=0 kern.ipc.shm_use_phys=1 vm.pmap.shpgperproc=20574 kern.maxvnodes=400000 and /boot/loader.conf kern.ipc.msgmnb=8192 kern.ipc.msgmni=40 kern.ipc.msgseg=512 kern.ipc.msgssz=64 kern.ipc.msgtql=2048 kern.ipc.shmseg=512 kern.ipc.shmmni=512 I have used the following dansguardian children options (if you have any clue about these) --------------------------------- # sets the maximum number of processes to spawn to handle the incoming # connections. Max value usually 250 depending on OS. # On large sites you might want to try 180. maxchildren = 990 # sets the minimum number of processes to spawn to handle the incoming connections. # On large sites you might want to try 32. minchildren = 64 # sets the minimum number of processes to be kept ready to handle connections. # On large sites you might want to try 8. minsparechildren = 32 # sets the minimum number of processes to spawn when it runs out # On large sites you might want to try 10. preforkchildren = 16 # sets the maximum number of processes to have doing nothing. # When this many are spare it will cull some of them. # On large sites you might want to try 64. maxsparechildren = 256 # sets the maximum age of a child process before it croaks it. # This is the number of connections they handle before exiting. # On large sites you might want to try 10000. maxagechildren = 10000 -------------------------------- I would be grateful if you can help me. Thanks a lot, -- ============================================================================= Evangelos Souglakos OTE S.A Internet Service Provider Unix Systems Engineer Systems Design Department Phone: +302106116282 OTE Megaro Building 2A8 ============================================================================= Great minds have purposes, others have wishes. 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