Date: Mon, 15 Feb 1999 19:52:59 +0000 From: Dom Mitchell <Dom.Mitchell@palmerharvey.co.uk> To: "Jose M. Alcaide" <jose@we.lc.ehu.es> Cc: freebsd-stable@FreeBSD.ORG, freebsd-current@FreeBSD.ORG Subject: Re: easily reproducible NFS-related panic Message-ID: <E10CU4h-00042Z-00@voodoo.pandhm.co.uk> In-Reply-To: "Jose M. Alcaide"'s message of "Mon, 15 Feb 1999 17:59:25 %2B0100" <36C8526D.9987934@we.lc.ehu.es>
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On 15 February 1999, "Jose M. Alcaide" proclaimed: > Sorry for the cross-posting, but I am running -STABLE and I would > like to hear from -CURRENT users about this problem. > > The panic is easily reproducible: simply, try to hard-link a file > from a local filesystem to a NFS-mounted one (yes, I _know_ that > this is non-sense): > > mount remotesys:/exportedfs /mnt > cd /mnt > ln /bin/ls . --> this complaints about cross-device link, OK > ln /bin/ls . --> (yes, again) > panic: vrele: negative ref cnt --> CRASH!!! > > I have confirmed this with recent 3.0-STABLE and 3.1-BETA clients > and servers, and also with a Solaris 2.5.1 NFS server. However, > it does not happen on a 2.2.8-RELEASE client. > > Some feedback from the NFS gurus ;-) would be very useful. A fix for this has just recently been committed to 4.0. Look through -current in the last week for mail from myself, matt dillon and a couple of others about "negative ref cnt". It's a simple one line patch to fix. I'm not sure if Matt has committed the fix to -stable yet. -- Dom Mitchell -- Palmer & Harvey McLane -- Unix Systems Administrator Free your mind -- http://www.opensource.org/ -- ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been swept by MIMEsweeper for the presence of computer viruses. ********************************************************************** To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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