Date: Wed, 30 Dec 2009 19:40:04 GMT From: Manuel Tobias Schiller <mala@hinterbergen.de> To: freebsd-sparc64@FreeBSD.org Subject: Re: sparc64/142102: FreeBSD 8.0 kernel panics on sparc64 when accessing NFS Message-ID: <200912301940.nBUJe4P6068372@freefall.freebsd.org>
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The following reply was made to PR sparc64/142102; it has been noted by GNATS. From: Manuel Tobias Schiller <mala@hinterbergen.de> To: Marius Strobl <marius@alchemy.franken.de> Cc: FreeBSD-gnats-submit@FreeBSD.org Subject: Re: sparc64/142102: FreeBSD 8.0 kernel panics on sparc64 when accessing NFS Date: Wed, 30 Dec 2009 20:36:31 +0100 On Wed, 30 Dec 2009 02:08:01 +0100 Marius Strobl <marius@alchemy.franken.de> wrote: > On Wed, Dec 30, 2009 at 01:25:55AM +0100, Manuel Tobias Schiller wrote: > > > I managed to compile and test a kernel with your updated patch, and > > things seem to work. I'll try to stress-test it over the night by > > copying a few tens of gigabytes over and report back with the > > results. Also, if I'm reading your patch correctly, we should be able > > to do without the bcopy hack from PR 140797, so I'll recompile a > > kernel without it and try if that works as well. > > I don't think so; nfs_realign() only guarantees 4-byte alignment > as required by XDR and assumed by nfsm_srvmtofh_xx() further down > the road but nfsfh_t needs 8-byte alignment. Of course, you are right. When I tried it, I got my well deserved panic again. I should have looked at the code of nfs_realign much more carefully... Anyway, thanks again! Manuel -- Homepage: http://www.hinterbergen.de/mala OpenPGP: 0xA330353E (DSA) or 0xD87D188C (RSA)
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