Re: port-amd64/43236: Removing a file while it is accessed through NFS crashes the server

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR port-amd64/43236; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: port-amd64/43236: Removing a file while it is accessed through
        NFS crashes the server
Date: Sun, 2 May 2010 23:55:05 +0000

 On Sun, May 02, 2010 at 08:55:00AM +0000, peter%kerwien.homeip.net@localhost 
wrote:
  > I accidently removed a file that at the same time was played on my
  > media player (Popcorn Hour). The file were accessed over NFS. After
  > this the server stopped responding. It only answered on ping. SSH,
  > local login etc all failed. I was logged in via SSH when I removed
  > the file.
  > 
  > Today I tried to reproduce this. So I started to play another
  > movie. This time I was logged in directly to the server. When I
  > type the rm command I immediately started to see some error
  > message, and some numbers starting to count down from approx 3600
  > to zero. Then the server freeezed and I had to do a hard reset.
 
 There's explicit support in the nfs server for handling this
 situation, so it's not supposed to do that.
 
 It would be very helpful to know the error message.
 
 (From your description, it sounds like the count thing was it making a
 crash dump. Pity it apparently didn't succeed.)
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost