From owner-freebsd-bugs@FreeBSD.ORG Thu Apr 4 00:20:02 2013 Return-Path: Delivered-To: freebsd-bugs@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 9D7C7E2E for ; Thu, 4 Apr 2013 00:20:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id 8FC67AF7 for ; Thu, 4 Apr 2013 00:20:02 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.6/8.14.6) with ESMTP id r340K2uR002846 for ; Thu, 4 Apr 2013 00:20:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.6/8.14.6/Submit) id r340K2Sb002845; Thu, 4 Apr 2013 00:20:02 GMT (envelope-from gnats) Date: Thu, 4 Apr 2013 00:20:02 GMT Message-Id: <201304040020.r340K2Sb002845@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org Cc: From: Matthias Andree Subject: Re: kern/157397: [ada] ahci/ada/cam NCQ timeouts on Samsung and non-disable-ability X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: Matthias Andree List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Apr 2013 00:20:02 -0000 The following reply was made to PR kern/157397; it has been noted by GNATS. From: Matthias Andree To: bug-followup@FreeBSD.org Cc: Subject: Re: kern/157397: [ada] ahci/ada/cam NCQ timeouts on Samsung and non-disable-ability Date: Thu, 04 Apr 2013 02:18:58 +0200 Further information requested by Jeremy Chadwick, from the -stable/-current lists: > While skimming Linux libata code and commits in the past, the only > glaringly obvious bug/issue I see is with SB600/SB700 chipsets (the > hardware revision apparently matters) and port multiplier (PMP) support > and soft resets. > > Are you using a port multiplier? I doubt it, but I have to ask. I am not using a PMP as far as I know (unless one is buried on my Asus M4A78T-E main board). It would seem the drives are directly attached to the south bridge's SATA ports. >> Why only my Samsung HDD drive triggers this but not the WD drive, I do >> not know yet. > > Please provide "gpart show -p ada1" output, both here and in the PR, > if you could. => 63 1953525105 ada1 MBR (931G) 63 209714337 ada1s1 freebsd [active] (100G) 209714400 800 - free - (400k) 209715200 71680000 ada1s2 ntfs (34G) 281395200 15405 - free - (7.5M) 281410605 488263545 ada1s3 linux-data (232G) 769674150 1183851018 - free - (564G)