Date: Wed, 11 Jan 2012 19:14:44 +0100 From: Stefan Bethke <stb@lassitu.de> To: Martin Cracauer <cracauer@cons.org> Cc: freebsd-current@freebsd.org Subject: Re: Data corruption over NFS in -current Message-ID: <E9C4060A-0BD5-4187-BE1D-F46560C64366@lassitu.de> In-Reply-To: <20120111165714.GA46594@cons.org> References: <20120111165714.GA46594@cons.org>
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Am 11.01.2012 um 17:57 schrieb Martin Cracauer: > I'm sorry for the unspecific bug report but I thought a heads-up is > better than none. >=20 > $ uname -a > FreeBSD wings.cons.org 10.0-CURRENT FreeBSD 10.0-CURRENT #2: Wed Dec > 28 12:19:21 EST 2011 > cracauer@wings.cons.org:/usr/src/sys/amd64/compile/WINGS amd64 I'm sure Rick will want to know which NFS version, which client code = (default new code I'm assuming) and which mount options... > I see filesystem corruption on NFS filesystems here. I am running a > heavy shellscript that is noodling around with ascii files assembling > them with awk and whatnot. Some actions are concurrent with up to 21 > forks doing full-CPU load scripting. This machine is a K8 with a > total of 8 cores, diskless NFS and memory filesystem for /tmp. >=20 > I observe two problems: > - for no reason whatsoever, some files change from my=20 > (user/group) cracauer/wheel to root/cracauer > - the same files will later be corrupted. The beginning of the file > is normal but then it has what looks like parts of /usr/ports, > including our CVS files and binary junk, mostly zeros >=20 > I did do some ports building lately but not at the same time that this > problem manifested itself. I speculate some ports blocks were still > resident in the filesystem buffer cache. >=20 > Server is Linux. >=20 > Martin > --=20 > %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% > Martin Cracauer <cracauer@cons.org> http://www.cons.org/cracauer/ > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to = "freebsd-current-unsubscribe@freebsd.org" --=20 Stefan Bethke <stb@lassitu.de> Fon +49 151 14070811
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