From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Regression: kernel 2.6.24 ahci problem, does not boot (doesn't find SATA disk, i.e. failed to IDENTIFY) Date: Thu, 24 Apr 2008 11:49:52 +0900 Message-ID: <480FF550.50802@gmail.com> References: <1209002065.17082.30.camel@corfu> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from wr-out-0506.google.com ([64.233.184.224]:59356 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753409AbYDXCuF (ORCPT ); Wed, 23 Apr 2008 22:50:05 -0400 Received: by wr-out-0506.google.com with SMTP id c48so1840988wra.1 for ; Wed, 23 Apr 2008 19:50:00 -0700 (PDT) In-Reply-To: <1209002065.17082.30.camel@corfu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Guenther Thomsen Cc: kernel@vger.kernel.org, IDE/ATA development list Guenther Thomsen wrote: > Not sure, if this issue has been resolved meanwhile. The thread I found > indicated only that it is believed to be an interrupt routing issue. > > I ran into this issue, when upgrading Ubuntu from 7.10 (kernel > 2.6.22-14) to 8.04rc (kernel 2.6.24-16) and added my findings to bug > 219312 (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/219312) . > > --8<-- > [ 56.463297] SCSI subsystem initialized > [ 56.477843] ACPI: PCI Interrupt 0000:00:12.0[A] -> GSI 21 (level, low) > -> IRQ 21 > [ 56.478127] ahci 0000:00:12.0: controller can't do 64bit DMA, forcing 32bit > [ 56.478178] ahci 0000:00:12.0: controller can't do PMP, turning off CAP_PMP > [...] > [ 57.480373] ahci 0000:00:12.0: AHCI 0001.0100 32 slots 4 ports 3Gbps > 0xf impl SATA mode > [ 57.480427] ahci 0000:00:12.0: flags: ncq sntf ilck pm led clo pio slum > part > [ 57.481394] scsi0 : ahci > [ 57.481710] scsi1 : ahci > [ 57.481873] scsi2 : ahci > [ 57.482040] scsi3 : ahci > [ 57.955539] ata1: SATA link up 1.5Gbps (SStatus 113 SControl 300) > [ 87.904552] ata1.00: qc timeout (cmd 0xec) > [ 87.904608] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) > [ 87.904653] ata1: failed to recover some devices, retrying in 5 secs > -->8-- > > A "pci=nomsi" got this kernel on its feet again, but if there is still > interest in kernel messages or other traces, then please let me know. Can you please attach full boot log and the result of "lspci -nn"? -- tejun