Date: Fri, 15 Dec 2006 14:40:08 GMT From: Kostik Belousov <kostikbel@gmail.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/92785: Using exported filesystem on OS/2 NFS client causes filesystem freeze Message-ID: <200612151440.kBFEe8aF034507@freefall.freebsd.org>
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The following reply was made to PR kern/92785; it has been noted by GNATS. From: Kostik Belousov <kostikbel@gmail.com> To: Ulrich Spoerlein <uspoerlein@gmail.com> Cc: 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 16:28:09 +0200 --raC6veAxrt5nqIoY Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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) >=20 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. --raC6veAxrt5nqIoY Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFFgrD4C3+MBN1Mb4gRAtiqAJ9EsyTLBk7IwXw7vJuc41xgCX/xtACgiH4L g8t6UNjdVFLfMKKJIgnsC6E= =OJqq -----END PGP SIGNATURE----- --raC6veAxrt5nqIoY--
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