Date: Fri, 19 Oct 2001 23:58:22 -0500 From: Doug Swarin <doug@staff.texas.net> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: hackers@FreeBSD.ORG Subject: Re: more on Re: Please review: bugfix for vinvalbuf() Message-ID: <20011019235821.A1155@staff.texas.net> In-Reply-To: <200110200451.f9K4pAU49727@apollo.backplane.com>; from dillon@apollo.backplane.com on Fri, Oct 19, 2001 at 09:51:10PM -0700 References: <20010711003926.B8799@crow.dom2ip.de> <200107110643.f6B6hTB24707@earth.backplane.com> <20010926204333.A15865@staff.texas.net> <200109281747.f8SHlUP29063@earth.backplane.com> <20011019212807.A538@staff.texas.net> <200110200451.f9K4pAU49727@apollo.backplane.com>
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On Fri, Oct 19, 2001 at 09:51:10PM -0700, Matthew Dillon wrote: > > : > :Unfortunately, the recent patch to vinvalbuf() hasn't solved all of > :our problems. We had another, different panic today. The process that > :caused it was a 'tail' of a growing logfile over NFS. > : > :I have actually had this problem before, with FreeBSD 3.4, and reported > :it then. I believed this PR to be relevant at the time, however, I do > :not believe this client was writing to the file. > : > : [1998/06/23] kern/7028 http://www.freebsd.org/cgi/query-pr.cgi?pr=7028 > : panic in vinvalbuf when appending/looking at tail of NFS file > : > :The system is running 4.4-RELEASE with the vinvalbuf() patch. Debugging > :information is below. If I can provide any additional information, > :let me know. > : > :Thanks for any help, > :Doug > > How easily can you reproduce this? How often does it occur if you > leave a tail running? > > -Matt I'm not able to reproduce this at will at the moment. The PR I mention has a program which it claims can cause the crash, which I will try running. I'll also try tailing various logfiles, including the one which caused this crash, which is being written to on the machine that is the NFS server. Doug To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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