From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: Re: ide pmac breakage Date: Tue, 29 Jul 2008 16:45:02 +0200 Message-ID: <200807291645.03382.bzolnier@gmail.com> References: <1217208596.11188.144.camel@pasglop> <1217332971.11188.249.camel@pasglop> <200807291404.46906.bzolnier@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from nf-out-0910.google.com ([64.233.182.188]:50905 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753968AbYG2Or6 (ORCPT ); Tue, 29 Jul 2008 10:47:58 -0400 Received: by nf-out-0910.google.com with SMTP id d3so1691525nfc.21 for ; Tue, 29 Jul 2008 07:47:57 -0700 (PDT) In-Reply-To: <200807291404.46906.bzolnier@gmail.com> Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: benh@kernel.crashing.org Cc: FUJITA Tomonori , linux-ide@vger.kernel.org, linuxppc-dev@ozlabs.org, petkovbb@gmail.com On Tuesday 29 July 2008, Bartlomiej Zolnierkiewicz wrote: > On Tuesday 29 July 2008, Benjamin Herrenschmidt wrote: > > On Tue, 2008-07-29 at 13:41 +0200, Bartlomiej Zolnierkiewicz wrote: > > > > Well, all I do is call into Bart's new helpers to scan for or > > > unregister > > > > devices ... > > > > > > The switch to these helpers happened _before_ 2.6.26 and it shouldn't > > > bring > > > such behavior change (ditto for new IDE host addition/removal > > > helpers)... > > > > > > Please try to git-bisect it when you have some time. > > > > Ok, I will. I worked fine when I last tried your patches. I'll see if I > > can track it down too. Been a bit too busy lately as you can imagine. > > > > Do you have something that exercise the same code path you can use ? > > I'll see if I can reproduce it with IDE warm-plug support later... OK, I reproduced it here with IDE warm-plug support (echo -n "1" > /sys/class/ide_port/ide*/delete_devices) for devices driven by ide-cd. It is also reproducible under qemu so I'm scripting it into git-bisect run now... Thanks, Bart