Date: Tue, 23 Jan 2001 23:46:45 -0800 (PST) From: jsmethers@pdq.net To: freebsd-gnats-submit@FreeBSD.org Subject: kern/24593: NFS hang between stable and current boxes Message-ID: <200101240746.f0O7kjF84672@freefall.freebsd.org>
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>Number: 24593 >Category: kern >Synopsis: NFS hang between stable and current boxes >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Jan 23 23:50:01 PST 2001 >Closed-Date: >Last-Modified: >Originator: Jason Smethers >Release: -stable ~12-19-2000 and -current snap 1-5-2001 >Organization: >Environment: FreeBSD xxx.xxx.xxx.xxx 4.2-STABLE FreeBSD 4.2-STABLE #0: Tue Dec 19 14:54:27 CST 2000 jason@xxx.xxx.xxx.xxx:/usr/obj/usr/src/sys/P90 i386 >Description: Both boxes NFS hung at the same time with each reporting a mount from the other machine not responding. In the case of the -stable machine it was the -current box's /mnt mounted on /var/ftp/incoming and on the -current machine it was the -stable box's /. The -stable box reports the -current box not responding at 3:22AM. ps -x on the -stable box reports the suspicious unkillable process: "root 31885 0.0 0.7 896 448 ?? D 3:22AM 0:00.19 find /var -xdev -type f ( -perm -u+x -or perm -g+x -" which I summize is from the scripts in /etc. Unfortunatly on both boxes a mount related command (e.g. df, umount) hang a login and don't respond to kill -9 so I am not able to obtain any more information from the -current box untill it reboots. I was about the put the latest snap on the -current box too. =/ >How-To-Repeat: I'd guess running the security script in /etc that runs the find on /var while /var contains a NFS mount within its hierarchy. >Fix: >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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