From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: 2.6.21-rc6-mm1 USB related boot hang - bisection result Date: Fri, 27 Apr 2007 15:41:56 -0700 Message-ID: <20070427154156.c1388f94.akpm@linux-foundation.org> References: <20070411194227.GA31286@aitel.hist.no> <20070411134346.d10765da.akpm@linux-foundation.org> <20070411230700.GA4023@aitel.hist.no> <20070412202519.GB14705@aitel.hist.no> <462F2558.5010909@aitel.hist.no> <46312787.1020702@aitel.hist.no> <20070427210458.GA4302@aitel.hist.no> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from smtp1.linux-foundation.org ([65.172.181.25]:54555 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754383AbXD0Wne (ORCPT ); Fri, 27 Apr 2007 18:43:34 -0400 In-Reply-To: <20070427210458.GA4302@aitel.hist.no> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Helge Hafting Cc: Jiri Kosina , linux-usb-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Len Brown On Fri, 27 Apr 2007 23:04:58 +0200 Helge Hafting wrote: > On Fri, Apr 27, 2007 at 12:39:19AM +0200, Jiri Kosina wrote: > > On Fri, 27 Apr 2007, Helge Hafting wrote: > > > > > 2.6.21-rc6 boots up fine. Both rc6 and rc7 has a different problem - > > > the machine tends to hang after some minutes work in X. That hang is > > > unusual in that moving the mouse still move the X cursor, but everything > > > else stops and sysrq fails me. But that is another story. > > [...] > > > The (first) "hanging" patch in 2.6.21-rc6-mm1 is: git-acpi.patch > > > > Hi Helge, > > > > thanks for the effort. If you take stock rc6-mm1 and revert just > > git-acpi.patch, doesn the machine behave correctly? > > Just compiled & booted such a kernel - it came up fine! > So it looks like USB is fine then, and the problem is in > that ACPI patch. > OK, thanks. Len&co: we've established that 2.6.21-rc6-mm1's git-acpi.patch causes this: > 2.6.21-rc6 boots up fine. Both rc6 and rc7 has a different problem - the > machine tends to hang after some minutes work in X. That hang is > unusual in that moving the mouse still move the X cursor, but > everything else stops and sysrq fails me. But that is another story. > > rc6 boots, rc6-mm1 hangs at the "usbcore registered hiddev" message. > Bisection: > 1, 2, 3: the three first hangs at "usbcore registered hiddev" > 4, 5, 6: the next three hangs at a message about ACPI PCI[A]->IRQ17 > I decided to keep bisecting these hangers as "bad", I don't really know > if this could be the same thing or completely different issues. If they are > different, then one problem will mask the other anyway, so > calling every hanging kernel "bad" will at least find the first broken > patch. > 7: boots up ok! > 8,9,10: hangs at the aboce mentioned ACPI message > The (first) "hanging" patch in 2.6.21-rc6-mm1 is: git-acpi.patch > >