Date: Wed, 30 Mar 2005 16:23:34 -0700 From: Scott Long <scottl@samsco.org> To: "Greg 'groggy' Lehey" <grog@FreeBSD.org> Cc: FreeBSD-amd64@FreeBSD.org Subject: Re: Problems with AMD64 and 8 GB RAM? Message-ID: <424B34F6.6020705@samsco.org> In-Reply-To: <20050330230951.GY84137@wantadilla.lemis.com> References: <20050330222439.GU84137@wantadilla.lemis.com> <424B288D.80303@samsco.org> <20050330224351.GV84137@wantadilla.lemis.com> <424B308C.7070506@samsco.org> <20050330230951.GY84137@wantadilla.lemis.com>
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Greg 'groggy' Lehey wrote: > On Wednesday, 30 March 2005 at 16:04:44 -0700, Scott Long wrote: > >>Greg 'groggy' Lehey wrote: >> >>>On Wednesday, 30 March 2005 at 15:30:37 -0700, Scott Long wrote: >>> >>> >>>>Greg 'groggy' Lehey wrote: >>>> >>>> >>>>>I've recently acquired an AMD64 box ... >>>>> >>>>>What's unstable? ... The amd64 5.4-PRERELEASE kernel just >>>>>hangs/freezes. >>>> >>>>5.3-RELEASE has a lot of problems with >4GB due to busdma issues. >>>>Those should no longer be an issue in RELENG_5, including 5.4-PRE. >>> >>>They appear to be. >> >>I don't understand what you mean here. > > > As I said above (and trimmed for convenience), this problem occurs on > 5.4-PRERELEASE as of yesterday morning. The dmesg shows that too. > And you're certain that it's due to the same busdma issues that I was describing? I must have missed the evidence that you use to support this. > >>>As I described, it doesn't appear to be the drivers. >> >>I don't see how you proved or disproved this. > > > Shall I resend the original message? It seems independent of any > particular driver. That's not proof, of course, but I didn't claim it > was. Again, I must have missed the part where you investigated the drivers that apply to your particular system. I highly doubt that they apply to every 8GB Opteron system available on the market. Scott
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