Date: Mon, 28 Dec 2009 18:30:03 GMT From: Marius Strobl <marius@alchemy.franken.de> To: freebsd-sparc64@FreeBSD.org Subject: Re: sparc64/142102: FreeBSD 8.0 kernel panics on sparc64 when accessing NFS Message-ID: <200912281830.nBSIU3rk091296@freefall.freebsd.org>
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The following reply was made to PR sparc64/142102; it has been noted by GNATS. From: Marius Strobl <marius@alchemy.franken.de> To: Manuel Tobias Schiller <mala@hinterbergen.de> Cc: bug-followup@FreeBSD.org Subject: Re: sparc64/142102: FreeBSD 8.0 kernel panics on sparc64 when accessing NFS Date: Mon, 28 Dec 2009 19:26:47 +0100 On Mon, Dec 28, 2009 at 06:07:36PM +0100, Manuel Tobias Schiller wrote: > On Mon, 28 Dec 2009 17:28:18 +0100 > Marius Strobl <marius@alchemy.franken.de> wrote: > > > On Mon, Dec 28, 2009 at 04:00:09PM +0000, Manuel Tobias Schiller wrote: > > > The following reply was made to PR sparc64/142102; it has been noted > > > by GNATS. > > > > > > From: Manuel Tobias Schiller <mala@hinterbergen.de> > > > To: bug-followup@FreeBSD.org, mala@hinterbergen.de > > > Cc: > > > Subject: Re: sparc64/142102: FreeBSD 8.0 kernel panics on sparc64 when > > > accessing NFS > > > Date: Mon, 28 Dec 2009 16:40:04 +0100 > > > > > > Dear all, > > > > > > the fix I gave in the original problem report appears to be > > > incomplete; the kernel still crashes sometimes during NFS access due > > > to improper alignment, this time in sys/nfsserver/nfs_srvsubs.c, line > > > 1355. I will try to continue debugging the issue and report back with > > > any fixes I manage to obtain. > > > > > > > Note that the original PR is a dupe of PR 140797. Could the second > > panic you're seeing be a result of using an incorrect size parameter > > in your change? > > > > Marius > > > > > Dear Marius, > > sorry, I searched, but I failed to spot PR 140797. I don't think that the > panic I'm seeing after my change has to do with the size parameter (if > it's incorrect though, please let me know). With the change I can read > files and do directory lookups just fine (tested with a 45 Gigabyte > file). I get the crash the minute I'm trying to write a file to the NFS > share. > Yes, the size parameter in your patch is wrong. I also can't reproduce your remaining problem with the stock sources, I haven't checked whether it could be releated with using an incorrect size parameter though. Marius
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