Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753315Ab2BQDS7 (ORCPT ); Thu, 16 Feb 2012 22:18:59 -0500 Received: from gate.crashing.org ([63.228.1.57]:49038 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751356Ab2BQDS6 (ORCPT ); Thu, 16 Feb 2012 22:18:58 -0500 Message-ID: <1329448724.2892.43.camel@pasglop> Subject: RE: [PATCH V2 RESEND] fsl-sata: I/O load balancing From: Benjamin Herrenschmidt To: Li Yang-R58472 Cc: Liu Qiang-B32616 , "linux-ide@vger.kernel.org" , "jgarzik@pobox.com" , "linuxppc-dev@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" Date: Fri, 17 Feb 2012 14:18:44 +1100 In-Reply-To: <94F013E7935FF44C83EBE7784D62AD3F0574273C@039-SN2MPN1-023.039d.mgd.msft.net> References: <1329284944-17943-1-git-send-email-qiang.liu@freescale.com> <1329439216.2892.36.camel@pasglop> <94F013E7935FF44C83EBE7784D62AD3F0574273C@039-SN2MPN1-023.039d.mgd.msft.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.2- Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 813 Lines: 22 On Fri, 2012-02-17 at 03:09 +0000, Li Yang-R58472 wrote: > >I tried a debian install on the p5020ds here and I find SATA to be > >extremely slow, generating millions of interrupts. I think the > defaults > >should be a lot more aggressive at coalescing. > > The P5020 has a hardware problem with SATA, making it generate more > interrupts than it should. A new revision of the silicon will fix it. Ok cool. With a bit of luck you guys can send me a new silicon when it's available then :-) (The one in the board you got me seems to be in a socket). Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/