Date: Mon, 25 Apr 2011 18:03:42 +0100 (IST) From: "Conall O'Brien" <conal@conall.net> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/156647: Intel ICH7 SATA300 Driver Performance Regression in 8.2-STABLE Message-ID: <20110425170342.D4D423546@galvatron.taku.ie> Resent-Message-ID: <201104251720.p3PHKAAN024894@freefall.freebsd.org>
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>Number: 156647 >Category: kern >Synopsis: Intel ICH7 SATA300 Driver Performance Regression in 8.2-STABLE >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Apr 25 17:20:09 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Conall O'Brien >Release: FreeBSD 8.2-PRERELEASE amd64 >Organization: >Environment: Motherboard: Intel D510 Unaffected System: FreeBSD galvatron.taku.ie 8.2-PRERELEASE FreeBSD 8.2-PRERELEASE #0: Wed Dec 29 04:00:27 UTC 2010 root@galvatron.taku.ie:/usr/src/obj/usr/src/sys/GALVATRON amd64 Affected System: FreeBSD galvatron.taku.ie 8.2-STABLE FreeBSD 8.2-STABLE #1: Sat Mar 19 13:18:46 UTC 2011 root@galvatron.taku.ie:/usr/src/obj/usr/src/sys/GALVATRON amd64 >Description: SATA disks connected via the onboard Intel ICH7 SATA300 controller become troublesome to use. I/O queues fill up and kernel reports frequent DMA issues for each SATA disk on the controller on the console >How-To-Repeat: Run the 8.2-STABLE kernel on a system with multiple disks and the ICH7 SATA300. >Fix: Revert back to a RLEENG_8 kernel built before 8.2-RELEASE was cut. >Release-Note: >Audit-Trail: >Unformatted:
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