From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754522Ab0CIV4i (ORCPT ); Tue, 9 Mar 2010 16:56:38 -0500 Received: from fb2.tech.numericable.fr ([82.216.111.50]:51060 "EHLO fb2.tech.numericable.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752145Ab0CIV4e (ORCPT ); Tue, 9 Mar 2010 16:56:34 -0500 X-Greylist: delayed 551 seconds by postgrey-1.27 at vger.kernel.org; Tue, 09 Mar 2010 16:56:34 EST Message-ID: <4B96C202.6050606@numericable.fr> Date: Tue, 09 Mar 2010 22:47:46 +0100 From: Etienne Basset User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Linux Kernel Mailing List , linux-ide@vger.kernel.org Subject: [2.6.34-rc1][libata] regression? Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org hello, with .34-rc1 i see some "stalls"; systems is frozen for say 30seconds, then comes backs to life The only clue i have is strange ATA logs that I didn't have before, see below. My disk may be dying, it's 6 years old, but i shows the messages only in .34-rc1, never in .33 or .32 If the stalls are unrelated to ata, how could I debug that with perf? i got lots of 'WARNING: failed to keep up with mmap data' when using perf top.... ' thx Etienne lscpi 00:1f.2 IDE interface: Intel Corporation 82801FB/FW (ICH6/ICH6W) SATA Controller (rev 03) cat /var/log/messages Mar 9 21:13:08 etienne-desktop kernel: ata1: clearing spurious IRQ Mar 9 21:13:38 etienne-desktop kernel: ata1: lost interrupt (Status 0x50) Mar 9 21:13:38 etienne-desktop kernel: ata1: soft resetting link Mar 9 21:13:39 etienne-desktop kernel: ata1.00: configured for UDMA/133 Mar 9 21:13:39 etienne-desktop kernel: ata1.00: device reported invalid CHS sector 0 Mar 9 21:13:39 etienne-desktop kernel: ata1: EH complete Mar 9 21:19:01 etienne-desktop kernel: ata1: clearing spurious IRQ Mar 9 21:19:31 etienne-desktop kernel: ata1: lost interrupt (Status 0x50) Mar 9 21:19:31 etienne-desktop kernel: ata1: soft resetting link Mar 9 21:19:32 etienne-desktop kernel: ata1.00: configured for UDMA/133 Mar 9 21:19:32 etienne-desktop kernel: ata1.00: device reported invalid CHS sector 0 Mar 9 21:19:32 etienne-desktop kernel: ata1: EH complete dmesg libata version 3.00 loaded. ata_piix 0000:00:1f.2: version 2.13 ata_piix 0000:00:1f.2: PCI INT C -> GSI 20 (level, low) -> IRQ 20 ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ] ata_piix 0000:00:1f.2: setting latency timer to 64 scsi0 : ata_piix scsi1 : ata_piix ata1: SATA max UDMA/133 cmd 0xfe00 ctl 0xfe10 bmdma 0xfea0 irq 20 ata2: SATA max UDMA/133 cmd 0xfe20 ctl 0xfe30 bmdma 0xfea8 irq 20 ata1.00: ATA-6: ST3160023AS, 8.05, max UDMA/133 ata1.00: 312581808 sectors, multi 8: LBA48 ata1.00: configured for UDMA/133