From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [2.6.23-rc3] Regression: "spurious completions during NCQ" Date: Tue, 14 Aug 2007 19:11:17 +0900 Message-ID: <46C17FC5.8090605@gmail.com> References: <200708132005.14697.elendil@planet.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from wa-out-1112.google.com ([209.85.146.177]:52341 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758069AbXHNKLb (ORCPT ); Tue, 14 Aug 2007 06:11:31 -0400 Received: by wa-out-1112.google.com with SMTP id v27so2137708wah for ; Tue, 14 Aug 2007 03:11:30 -0700 (PDT) In-Reply-To: <200708132005.14697.elendil@planet.nl> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Frans Pop Cc: linux-ide@vger.kernel.org Frans Pop wrote: > Hi, > > I've been running 2.6.23-rc2 without problems. Today I compiled 2.6.23-rc3 > and shortly after boot got the following messages in my logs: > > kernel: ata1.00: spurious completions during NCQ issue=0x0 SAct=0x7ffc7 FIS=005040a1:00000020 > kernel: ata1.00: cmd 61/30:00:73:96:db/00:00:04:00:00/40 tag 0 cdb 0x0 data 24576 out > kernel: res 50/00:08:7b:97:db/00:00:04:00:00/40 Emask 0x2 (HSM violation) > [...] > kernel: ata1: soft resetting port > kernel: ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) > kernel: ata1.00: configured for UDMA/133 > kernel: ata1: EH complete > kernel: sd 0:0:0:0: [sda] 321672960 512-byte hardware sectors (164697 MB) > kernel: sd 0:0:0:0: [sda] Write Protect is off > kernel: sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 > kernel: sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA > > A grep in the logs shows that the first error has never occurred before. > I was doing nothing special at the time (SVN checkout, not even running X). > > Full kern.log for that boot and lsmod attached. > My system is Debian unstable with 2.6.23 built from Linus' git tree. How reproducible is the problem? -- tejun