kern/63672: nfs client crash the system
klaus schneider
klaus at viavale.com.br
Tue Mar 2 19:00:22 PST 2004
>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 at 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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