Date: Thu, 25 Jan 2001 18:53:19 -0800 (PST) From: Matt Dillon <dillon@earth.backplane.com> To: freebsd@mrynet.com (FreeBSD list) Cc: freebsd-stable@FreeBSD.ORG Subject: Re: NFS hangs root on today's CVSUP -- Unaddressed issue Message-ID: <200101260253.f0Q2rJv99848@earth.backplane.com> References: <200101260024.f0Q0O8l01300@mrynet.com>
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It sounds like a network, firewall, or configuration problem. It
is also possible that the 5.0 server is to blame (being -current).
The best thing to do is to try to narrow down why your mount
is failing. Look at /var/log/messages and see if there are any
error messages from mountd. Use tcpdump to snarf the packets to
see if the mount requests are being sent out and acknowledgements
returned. There are only about a thousand things that could be
causing problem. It's unlikely that -stable is inherently flawed
here, though it is possible.
-Matt
:Previously, on Mon, 22 Jan 2001 18:42:23, I wrote:
:
:> After CVSUP'ing today and building world and installing a new kernel,
:> ALL NFS mounts hang, and root (/) suddenly becomes unreadable with
:> "/bin/ls -F"--it hangs as well. Also, df(1) and mount(8) hang
:> forever. I've re-CVSUP'ed in case I caught something mid-stream,
:> but the problem still prevails.
:>
:> Would others please check this? This NFS breakage renders a
:> client of NFS unable to operate.
:
:This problem still exists and is a critical issue -- No NFS
:mounts of filesystems from another machine can be made:
:
:# mount some.foreign.host:/path /path
:<<<Command hangs>>>
:
:>From another shell:
:# df
:<<<Command hangs>>>
:
:>From yet another shell:
:# /bin/ls -F /
:<<<Command hangs>>>
:
:Same for "# mount".
:
:The NFS host is running FreeBSD 5.0, which hasn't changed in a while.
:It all started when a system was built from a cvsup on Jan 22.
:Since then, I've cleared out /usr/src and /usr/obj and re-cvsup'd.
:The problem persists.
:
:I've also tried "*default date=2000.01.01.00.00.01" in the cvsup file
:to go back to a (presumably working) source date, but cvsup munged the
:source tree beyond use.
:
:Can't anyone suggest a recourse here?
:
:Thanks,
:-scott
:
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