Date: Thu, 7 Dec 2006 13:49:44 -0500 From: Anish Mistry <mistry.7@osu.edu> To: freebsd-stable@freebsd.org Cc: Chris <chrcoluk@gmail.com>, s.c.sprong@student.utwente.nl, Kris Kennaway <kris@obsecurity.org> Subject: Re: sshfs/nfs cause server lockup Message-ID: <200612071349.54854.mistry.7@osu.edu> In-Reply-To: <3aaaa3a0612071036v2df98097ncf9c962e43e6f39d@mail.gmail.com> References: <20061123162813.L3026@volte.student.utwente.nl> <20061123192532.GA81937@xor.obsecurity.org> <3aaaa3a0612071036v2df98097ncf9c962e43e6f39d@mail.gmail.com>
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--nextPart4132892.AsO1SIeUNd Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Thursday 07 December 2006 13:36, Chris wrote: > On 23/11/06, Kris Kennaway <kris@obsecurity.org> wrote: > > On Thu, Nov 23, 2006 at 04:38:48PM +0100,=20 s.c.sprong@student.utwente.nl wrote: > > > Chris <chrcoluk@gmail.com> wrote: > > > >kris a development on this, someone else posted about a nfs > > > > problem and reading his post some starkling point he made > > > > about network cards, he stated he only gets the bug on sis rl > > > > and fxp. > > > > > > Sorry for the misunderstanding, but I think that the 'NFS via > > > TCP' thread covers other bugs, ie the inability to mount NFS v3 > > > over TCP. > > > > > > I've tested the cards above, and the person I replied to > > > encountered the same bug with a bge card. My solution was to > > > remove custom nfs settings in sysctl.conf. I don't know which > > > one was the culprit because I don't have the time to look into > > > it further. > > > > > > My poking uncovered a set of crashing bugs and potentially a > > > livelock. I would agree that NFS is very fragile in RELENG_6. > > > So far <fingers crossed> I've not run into an NFS server > > > deadlock you described. > > > > Are you sure these are NFS problems and not ethernet driver > > problems? > > > > Kris > > Had another lockup today, reattached to screen process to see both > sshfs mounts timed out when running sshfs to remount the terminal > stopped updating, it didnt disconnect me and an ircd running on the > server remained functional and the server responded to pings, > however the terminal was dead and I couldnt login on ssh for a new > session, a ctrl-alt-del also failed to reboot it and it needed a > power cycle again. > > I have googled researched and read dozens and dozens of nfs bug > reports where most of them seem to be a problem caused by nfs not > disconnecting properly leaving itself in a bad state, the fix is > usually to reboot. I am having to reboot weekly more often then my > windows desktop pc, everyone else having no problems with the nfs > on their linux servers having no problems and its hardly inspiring > that the stable freebsd is not stable. All these problems on > google didnt get fixed no dev attention etc. > > So far I have not got my local bsd box up and running yet due to no > keyboard still need parts for it. I've updated the sshfs and libs port, you may want to update and see=20 if that helps. =2D-=20 Anish Mistry --nextPart4132892.AsO1SIeUNd Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQBFeGJSxqA5ziudZT0RAst7AJ0XgRADERczJA/EWuhJ3QxvQO3hIACgnGZA 6YQbWAbDf8Dq2VhcAaqmXNM= =XydR -----END PGP SIGNATURE----- --nextPart4132892.AsO1SIeUNd--
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