From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: Fwd: CMD 64x regression from 2.6.21 to 2.6.22 and 2.6.23? Date: Tue, 16 Oct 2007 15:53:09 +0400 Message-ID: <4714A625.8040306@ru.mvista.com> References: <200710142211.03382.marogge@onlinehome.de> <4713A010.3080504@ru.mvista.com> <200710152339.33718.marogge@onlinehome.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from homer.mvista.com ([63.81.120.155]:19610 "EHLO imap.sh.mvista.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1759905AbXJPLw5 (ORCPT ); Tue, 16 Oct 2007 07:52:57 -0400 In-Reply-To: <200710152339.33718.marogge@onlinehome.de> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Martin Rogge Cc: bzolnier@gmail.com, linux-ide@vger.kernel.org Martin Rogge wrote: >> Could you git-bisect this? >> Although I have a couple of patch suspects (dealing with interrupts), >>all worked fine with PCI-649 just fine. PCI-648 is not really much >>different from 649 according to specs... > Yes, I found the same when I managed to send the CMD 648 into UDMA-100 mode years ago (by treating it like a 649). > Anyway, I found the git patches on kernel.org and bisected away. For completeness, this is the table containing all my results. > Kernel System reaction > ============================================================================ > 2.6.21 CMD 648 working fine > 2.6.21-git4 CMD 648 working fine > 2.6.21-git5 CMD 648 working fine > 2.6.21-git6 irg 15: nobody cared [...] Disabling IRQ #15 etc. > 2.6.21-git8 irg 15: nobody cared [...] Disabling IRQ #15 etc. > 2.6.22-rc1 irg 15: nobody cared [...] Disabling IRQ #15 etc. > 2.6.22 irg 15: nobody cared [...] Disabling IRQ #15 etc. > 2.6.23 irg 15: nobody cared [...] Disabling IRQ #15 etc. > Well, most likely the CMD related patches in git6 are the culprit. Erm... usually bisection leaves you with one patch startting from which kernel was broken. It seems you've done sort iof manual bisecting. Thanks anyway. :-) > Regards, > cu Martin MBR, Sergei