On Tue, 28 Oct 2003, Soren Schmidt wrote:
I'm now running a kernel/world of October 26th on both NFS client and server machines. I am still seeing NFS lockups as reported by several people in these threads:
Me too!!
Hmm. I'm unable to reproduce this so far, and I'm pounding several 5.x NFS clients and servers. I've been checking out using CVS over NFS, performing dd's of big files, etc. There must be something more I'm missing in reproducing this. What network interface cards are you using (client, server)? Are you using DHCP on the client or server? What commands trigger it -- what part of the NFS namespace, etc? Are you running the commands as root, or another user?
Robert N M Watson FreeBSD Core Team, TrustedBSD Projects [EMAIL PROTECTED] Network Associates Laboratories
I have 3com cards in both machines. 3c905c's I believe. The xl driver. The client has a static IP address configured from rc.conf and the server uses dhclient to get a hardwired static address based on MAC.
I'm running the commands as root. I have noticed that it generally locks up when writing to the mount rather than reading as I can do an installworld from the NFS server to the client without issues (i think!, I've only tried this once). But downloading files into the mount breaks very quickly. I guess it could be a filesize thing though. I shall have to do some more testing. I was planning on cvsuping and buildworlding on saturday again.
It started happening approx two weeks ago I think? Roughly when I first reported it, but NFS had always been solid as a rock before then.
I can easily reproduce this by doing this:
[EMAIL PROTECTED] root]# cd /usr/ports/databases/mysql40-server
[EMAIL PROTECTED] mysql40-server]# make fetch
>> mysql-4.0.16.tar.gz doesn't seem to exist in /usr/ports/distfiles/.
>> Attempting to fetch from ftp://planetmirror.com/pub/mysql/Downloads/MySQL-4.0/.
Receiving mysql-4.0.16.tar.gz (12830094 bytes): 3%
(has now locked up)
[EMAIL PROTECTED] root]# ls /usr/src
COPYRIGHT README contrib gnu libexec secure usr.bin
MAINTAINERS UPDATING crypto include release share usr.sbin
Makefile bash.core etc kerberos5 rescue sys
Makefile.inc1 bin games lib sbin tools
[EMAIL PROTECTED] root]# ls /usr/ports
(has also locked up)
[EMAIL PROTECTED] matt]$ ps wauxl | grep fetch
root 70213 0.0 0.3 816 660 p3 S+ 8:47AM 0:00.39 make fetch 0 63855 0 8 0 wait
root 70284 0.0 0.5 2604 1212 p3 S+ 8:47AM 0:00.14 /usr/bin/fetch - 0 70259 0 -8 0 nfsaio
[EMAIL PROTECTED] matt]$ ps wauxl | grep ls
root 70307 0.0 0.2 772 480 p6 D+ 8:48AM 0:00.01 ls /usr/ports 0 70302 0 -1 0 nfsrcv
[EMAIL PROTECTED] matt]$ uname -a
FreeBSD womble.xtaz.co.uk 5.1-CURRENT FreeBSD 5.1-CURRENT #0: Sun Oct 26 21:14:58 GMT 2003 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/WOMBLE i386
[EMAIL PROTECTED] matt]$ cat /etc/fstab | grep nfs 10.0.0.2:/usr/src /usr/src nfs rw,soft,intr 0 0 10.0.0.2:/usr/obj /usr/obj nfs rw,soft,intr 0 0 10.0.0.2:/usr/ports /usr/ports nfs rw,soft,intr 0 0
rc.conf on the client contains: ifconfig_xl1="inet 10.0.0.1 netmask 255.255.255.0" nfs_client_enable="YES"
rc.conf on the server contains: ifconfig_xl0="DHCP" rpcbind_enable="YES" nfs_server_enable="YES" mountd_enable="YES"
And this is the uname of the server:
[EMAIL PROTECTED] src]# uname -a
FreeBSD fraggle.xtaz.co.uk 5.1-CURRENT FreeBSD 5.1-CURRENT #0: Sun Oct 26 21:05:49 GMT 2003 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/FRAGGLE i386
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