Date: Tue, 2 Mar 2004 18:57:24 -0800 (PST) From: klaus schneider <klaus@viavale.com.br> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/63672: nfs client crash the system Message-ID: <200403030257.i232vOVF024446@www.freebsd.org> Resent-Message-ID: <200403030300.i2330LmW069633@freefall.freebsd.org>
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>Number: 63672 >Category: kern >Synopsis: nfs client crash the system >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Mar 02 19:00:21 PST 2004 >Closed-Date: >Last-Modified: >Originator: klaus schneider >Release: 5.2.1 >Organization: Viavale Internet >Environment: FreeBSD antartida.viavale.com.br 5.2.1-RELEASE FreeBSD 5.2.1-RELEASE #0: Mon Mar 1 08:53:59 BRT 2004 root@antartida.viavale.com.br:/usr/src/sys/i386/compile/WEB i386 >Description: kernel got panic and give the error: "bundirty: buffer 0xe26ab443 still on queue 1" it appears to be that is a problem on the cache of nfs system, that try to write/read data on remote sistem and than overflow the buffer space. on all netstat -m running on client-side box, the mbufs still from 75 to 90% of usage. i´m try to setup a higher nmbclusters, but the problem persists. here is the configuration and libs on my system: Dell P. Edge 1600 Proc Xeon 2.4G 1G of ram 2 36g scsi disks Adaptec 3960D Ultra160 SCSI adapter Intel(R) PRO/1000 Network Connection, Version - 1.7.19(nfs use this interface) Intel 82550 Pro/100 Ethernet ARCHIVE Python 06408-XXX 9050 Removable Sequential Access SCSI-3 device installed packets: # pkg_info | awk '{print $1}' apache-1.3.28 bash-2.05b.007 bison-1.75_1 bnc-2.8.4 curl-7.10.7 cvsup-without-gui-16.1h db41-4.1.25_1 expat-1.95.6_1 ezm3-1.1 figlet-2.2.1 figlet-fonts-20020913 gdbm-1.8.3_1 gettext-0.11.5_1 gettext-0.12.1 gmake-3.80 libiconv-1.8_2 libogg-1.0_1,3 libshout2-2.0_1,1 libtool-1.3.4_4 libtool-1.3.5_1 libtool-1.4_2 libvorbis-1.0_1,3 libxml2-2.6.2 libxslt-1.1.0 lwp-1.10_1 m4-1.4_1 mod_php4-4.3.3,1 mysql-client-4.0.15 mysql-server-4.0.18_1 nss_ldap-1.204_2 openldap-client-2.1.22 openldap-server-2.1.22_2 openwebmail-2.30 p5-Authen-SASL-2.04 p5-CGI-SpeedyCGI-2.21_3 p5-CGI.pm-3.00,1 p5-DBD-mysql-2.1026_1 p5-DBI-1.38 p5-MIME-Base64-2.20 p5-Net-1.17,1 p5-Quota-1.4.10 p5-Text-Iconv-1.2_1 perl-5.6.1_13 pkgconfig-0.15.0 proftpd-1.2.9_2 python-2.3.2_2 rpc2-1.15_1 rvm-1.7_1 sudo-1.6.7.5 >How-To-Repeat: mount a nfs filesystem and try to get/put a large number of files on the remote filesystem on a fast network >Fix: no fix >Release-Note: >Audit-Trail: >Unformatted:
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