From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bernie Innocenti Subject: [SOLVED] Re: sata_mv 0000:03:06.0: PCI ERROR; PCI IRQ cause=0x30000040 Date: Wed, 14 Oct 2009 11:24:25 -0400 Message-ID: <1255533865.19998.214.camel@giskard> References: <1254546642.1438.135.camel@giskard> <4ACA6904.1060509@rtr.ca> <4ACB3741.2030101@gmail.com> <1254852272.1471.172.camel@giskard> <4ACBA33C.7090606@rtr.ca> <1254873978.1471.463.camel@giskard> <1254879618.1471.525.camel@giskard> <4ACC076F.7020000@rtr.ca> <1255020134.30440.698.camel@giskard> <1255021787.3386.24.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <1255021787.3386.24.camel@localhost> Sender: linux-kernel-owner@vger.kernel.org To: Tony Vroon Cc: Mark Lord , Harri Olin , linux-ide@vger.kernel.org, lkml , sysadmin List-Id: linux-ide@vger.kernel.org El Thu, 08-10-2009 a las 18:09 +0100, Tony Vroon escribi=F3: > On Thu, 2009-10-08 at 12:42 -0400, Bernie Innocenti wrote: > > El Tue, 06-10-2009 a las 23:13 -0400, Mark Lord escribi=F3: > > I want to try reducing the frequency of the PCI-X bus, but the BIOS= does > > not seem to provide a setting for it. Is there another way? >=20 > Generally this is done with a physical jumper on the board instead. > You'll find it near to the bridge chip, which is almost always by NEC= =2E > Another technique to slow the bridge down is to insert a regular PCI > card in the other slot (these bridges tend to offer 2 or 3 slots). As > the weakest link, it'll drag everything down to 33MHz. > An old PCI-X 66MHz-only card may prove helpful here as well. You don'= t > have to drive it in any way; getting power to it is sufficient. Hurray! It seems we've fixed our stability issue at last. We forced the bus speed down to PCI-X 66MHz for both buses by shorting pins 1-2 of the on-board jumpers. --=20 // Bernie Innocenti - http://codewiz.org/ \X/ Sugar Labs - http://sugarlabs.org/