From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: T61 SATA error in log Date: Fri, 28 Sep 2007 09:36:01 +1000 Message-ID: <1190936161.6158.42.camel@pasglop> References: <1190877668.30275.3.camel@pasglop> <46FC13FA.3090400@gmail.com> Reply-To: benh@kernel.crashing.org Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from gate.crashing.org ([63.228.1.57]:52329 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754854AbXI0XgY (ORCPT ); Thu, 27 Sep 2007 19:36:24 -0400 In-Reply-To: <46FC13FA.3090400@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: "linux-ide@vger.kernel.org" , Jeff Garzik On Thu, 2007-09-27 at 13:35 -0700, Tejun Heo wrote: > Benjamin Herrenschmidt wrote: > > Saw that popping up in my log today on a brand new T61 thinkpad: > > > > [ 427.712000] ata1.00: exception Emask 0x2 SAct 0x18 SErr 0x0 action 0x2 frozen > > [ 427.712000] ata1.00: (spurious completions during NCQ issue=0x0 SAct=0x18 FIS=004040a1:00000024) > > [ 427.712000] ata1.00: cmd 61/08:18:f4:74:54/00:00:04:00:00/40 tag 3 cdb 0x0 data 4096 out > > [ 427.712000] res 40/00:28:64:e4:51/00:00:04:00:00/40 Emask 0x2 (HSM violation) > > [ 427.712000] ata1.00: cmd 61/08:20:84:10:81/00:00:04:00:00/40 tag 4 cdb 0x0 data 4096 out > > [ 427.712000] res 40/00:28:64:e4:51/00:00:04:00:00/40 Emask 0x2 (HSM violation) > > [ 428.024000] ata1: soft resetting port > > [ 428.196000] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) > > [ 428.204000] ata1.00: configured for UDMA/100 > > [ 428.204000] ata1: EH complete > > [ 428.204000] sd 0:0:0:0: [sda] 234441648 512-byte hardware sectors (120034 MB) > > [ 428.204000] sd 0:0:0:0: [sda] Write Protect is off > > [ 428.204000] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 > > [ 428.204000] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA > > > > Kernel recovered just fine and things seem smooth so far. Is that something I need > > to worry about ? > > Please post the result of 'hdparm -I /dev/sda' and you don't need to > worry about it too much. Allright. What is happening exactly ? A fluke on the link ? > benh@pasglop:~/kernels/linux-2.6$ sudo hdparm -I /dev/sda /dev/sda: ATA device, with non-removable media Model Number: ST9120822AS Serial Number: 5LZ50702 Firmware Revision: 3.CLF Standards: Supported: 7 6 5 4 Likely used: 7 Configuration: Logical max current cylinders 16383 16383 heads 16 16 sectors/track 63 63 -- CHS current addressable sectors: 16514064 LBA user addressable sectors: 234441648 LBA48 user addressable sectors: 234441648 device size with M = 1024*1024: 114473 MBytes device size with M = 1000*1000: 120034 MBytes (120 GB) Capabilities: LBA, IORDY(can be disabled) Queue depth: 32 Standby timer values: spec'd by Standard, no device specific minimum R/W multiple sector transfer: Max = 16 Current = ? Advanced power management level: unknown setting (0x8080) Recommended acoustic management value: 254, current value: 0 DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5 Cycle time: min=120ns recommended=120ns PIO: pio0 pio1 pio2 pio3 pio4 Cycle time: no flow control=240ns IORDY flow control=120ns Commands/features: Enabled Supported: * SMART feature set Security Mode feature set * Power Management feature set * Write cache * Look-ahead * Host Protected Area feature set * WRITE_BUFFER command * READ_BUFFER command * DOWNLOAD_MICROCODE * Advanced Power Management feature set SET_MAX security extension * 48-bit Address feature set * Device Configuration Overlay feature set * Mandatory FLUSH_CACHE * FLUSH_CACHE_EXT * SMART error logging * SMART self-test * General Purpose Logging feature set * IDLE_IMMEDIATE with UNLOAD * SATA-I signaling speed (1.5Gb/s) * Native Command Queueing (NCQ) * Phy event counters * Device-initiated interface power management * Software settings preservation * SMART Command Transport (SCT) feature set Security: Master password revision code = 65534 supported not enabled not locked frozen not expired: security count supported: enhanced erase 66min for SECURITY ERASE UNIT. 66min for ENHANCED SECURITY ERASE UNIT. Checksum: correct