Date: Thu, 26 May 2005 12:45:50 +0200 (CEST) From: Sten Spans <sten@blinkenlights.nl> To: ticso@cicely.de Cc: current@freebsd.org, stable@freebsd.org, Oliver Lehmann <lehmann@ans-netz.de>, Mohan Srinivasan <mohan_srinivasan@yahoo.com> Subject: Re: problems with nfs+TCP - Resource temporarily unavailable Message-ID: <Pine.SOC.4.61.0505261243440.18365@tea.blinkenlights.nl> In-Reply-To: <20050526085750.GZ80082@cicely12.cicely.de> References: <20050525223355.56551.qmail@web80601.mail.yahoo.com> <20050526010325.02415410.lehmann@ans-netz.de> <20050526085750.GZ80082@cicely12.cicely.de>
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On Thu, 26 May 2005, Bernd Walter wrote: > On Thu, May 26, 2005 at 01:03:25AM +0200, Oliver Lehmann wrote: >> ###### >> >> >> I tried the same with an other nfs server (using dill as nfs server this >> time - system description is in my 1st mail, same mount options like / >> mnt/files). And guess what? dill rebooted immediate... dd came never >> back, gave no output >> >> dill's dmesg shows me: >> >> fatal kernel trap: >> >> trap entry = 0x4 (unaligned access fault) >> faulting va = 0xfffffc0006b6f44d >> opcode = 0x28 >> register = 0x5 >> pc = 0xfffffc0000541e08 >> ra = 0xfffffc0000541df4 >> sp = 0xfffffe000a0f9b70 >> usp = 0x11ffea80 >> curthread = 0xfffffc000f91ee10 >> pid = 343, comm = nfsd > > This is absolutely known - TCP/nfs has bugs in realigning packets. > Don't use TCP on strong aligned architectures. Still a pr with a proper backtrace would be nice. Or does one exist already ? -- Sten Spans "There is a crack in everything, that's how the light gets in." Leonard Cohen - Anthem
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