linux-kernel - Re: [NFS] NFS on loopback locks up entire system(2.6.23-rc6)?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1190391881.6680.73.camel@heimdal.trondhjem.org>
Date:	Fri, 21 Sep 2007 12:24:41 -0400
From:	Trond Myklebust <Trond.Myklebust@...app.com>
To:	Chakri n <chakriin5@...il.com>
Cc:	nfs@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [NFS] NFS on loopback locks up entire system(2.6.23-rc6)?

On Fri, 2007-09-21 at 09:20 -0700, Chakri n wrote:
> Thanks.
> 
> I was using flock (BSD locking) and I think the problem should be
> solved if I move my application to use POSIX locks.

Yup.

> And any option to avoid processes waiting indefinitely to free pages
> from NFS requests waiting on unresponsive NFS server?

The only solution I know of is to use soft mounts, but that brings
another set of problems:
     1. most applications don't know how to recover safely from an EIO
        error.
     2. You lose data.

Cheers
  Trond
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/