Date: Sat, 11 Jun 2005 03:57:27 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Pyun YongHyeon <yongari@rndsoft.co.kr> Cc: Hiroki Sato <hrs@freebsd.org>, sparc64@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: E4500 with 24GB RAM Message-ID: <20050611075727.GA42071@xor.obsecurity.org> In-Reply-To: <20050611075451.GC19976@rndsoft.co.kr> References: <20050606132756.X16994@carver.gumbysoft.com> <20050611.004435.59726356.hrs@allbsd.org> <20050610211239.GA59402@xor.obsecurity.org> <20050611.154028.102195481.hrs@allbsd.org> <20050611072632.GB19976@rndsoft.co.kr> <20050611073640.GA34243@xor.obsecurity.org> <20050611075451.GC19976@rndsoft.co.kr>
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--0OAP2g/MAC+5xKAE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jun 11, 2005 at 04:54:51PM +0900, Pyun YongHyeon wrote: > Do you use NFS orver UDP? NFS over TCP has much better change of > getting panic. Yes, UDP. > If you copy a large file(> 100MB) from a NFS exported directory to > its sub-directory you probably hit a panic. If my memory serve right > there had been several NFS panic reports in current/sparc64 ML. > And I don't think it was fixed since the root cause of panic is in > nfsm_disct() and nfs_realign()(it was not touched for a long time.) I should have mentioned that in all cases I use read-only NFS. You should talk to mohans@yahoo-inc.com who has been doing a lot of work on NFS, although he's probably only interested in i386 and amd64. > > > > I tried to comment out the HME_WHINE line of hme_read() in if_hm= e.c, > > > > and it seems to make the box work fine so far. > > >=20 > > > HME_WHINE() just prints a message. I can't think removing the functi= on > > > can cure your problem. > >=20 > > It does seem to have helped though..before it would reliably lock up > > in seconds, and DDB break was non-responsive. > >=20 >=20 > Hmm... Then it would be great to get a voluntary core dump when hme(4) > hits the condition(e.g. before processing HME_WHINE, invoke panic(9)). We can try that..I'd like to leave the box running buildworld loops overnight to make sure it doesn't have further problems that might suggest bad hardware. Kris --0OAP2g/MAC+5xKAE Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFCqplmWry0BWjoQKURAvibAJ40vXWucWr/lHZ4lLRa6o+PAo+R0ACg2bcZ rWTEtP1npXJ8ovisxrar5MQ= =6Nb3 -----END PGP SIGNATURE----- --0OAP2g/MAC+5xKAE--
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