Date: Sat, 16 Dec 2006 01:00:19 GMT From: John Merryweather Cooper <john_m_cooper@yahoo.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/92785: Using exported filesystem on OS/2 NFS client causes filesystem freeze Message-ID: <200612160100.kBG10JIY034422@freefall.freebsd.org>
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The following reply was made to PR kern/92785; it has been noted by GNATS. From: John Merryweather Cooper <john_m_cooper@yahoo.com> To: Kostik Belousov <kostikbel@gmail.com> Cc: Ulrich Spoerlein <uspoerlein@gmail.com>, stable@freebsd.org, bug-followup@freebsd.org Subject: Re: kern/92785: Using exported filesystem on OS/2 NFS client causes filesystem freeze Date: Fri, 15 Dec 2006 19:54:25 -0500 Kostik Belousov wrote: > On Fri, Dec 15, 2006 at 03:12:58PM +0100, Ulrich Spoerlein wrote: > >> A tcpdump of the session can be found at: >> http://coyote.dnsalias.net/rpc.pcap (9kB) >> >> > Am I right that all you did was ls -l <root of nfs mount> ? Does OS/2 > supports the notion of ".." directory ? Could you do just "ls -l .." > from nfs client and then try "stat <root of exported fs>" on the server > (i think it shall hang) ? > > My hypothesis is that LOOKUP RPC for ".." causes directory vnode lock > leak in nfs_namei. After that, mountd hang is just consequence. > Yes, OS/2 supports the ".." directory. FAT, HPFS, and JFS all have a ".." directory. jmc
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