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From: Andrew Morton <akpm@osdl.org>
To: Reuben Farrelly <reuben-lkml@reub.net>
Cc: stern@rowland.harvard.edu, linux-kernel@vger.kernel.org,
	jgarzik@pobox.com, greg@kroah.com,
	linux-usb-devel@lists.sourceforge.net, neilb@cse.unsw.edu.au,
	linux-acpi@vger.kernel.org
Subject: Re: [linux-usb-devel] Re: 2.6.15-mm3 [USB lost interrupt bug]
Date: Fri, 20 Jan 2006 21:47:23 -0800	[thread overview]
Message-ID: <20060120214723.79111715.akpm@osdl.org> (raw)
In-Reply-To: <43D1C4E9.7030901@reub.net>

Reuben Farrelly <reuben-lkml@reub.net> wrote:
>
> 
> 
> On 16/01/2006 4:46 p.m., Alan Stern wrote:
> > On Mon, 16 Jan 2006, Reuben Farrelly wrote:
> > 
> >>> From the information presented here, it looks like -mm1 correctly routes
> >>> the 1d.1 controller to IRQ 193 and the 1d.3 controller to IRQ 169, whereas
> >>> -mm3 incorrectly routes the 1d.3 controller to IRQ 193.  That would make 
> >>> it an ACPI problem.
> >> Is this likely to be the same or similar issue to the IRQ 0 problem I see quite 
> >> frequently on the SATA ports on later -mm releases?
> >> (see http://www.ussg.iu.edu/hypermail/linux/kernel/0601.1/1851.html)
> > 
> > I doubt they are at all related.  In the USB problem the resource is there 
> > but ACPI is routing it wrongly.  In the SATA problem the resource isn't 
> > there to begin with.
> > 
> > But then I know almost nothing about ACPI, so I could be wrong...
> > 
> > Alan Stern
> 
> Some good news.  I think it's fixed in 2.6.16-rc1-mm2.  In fact a whole boatload 
> of problems I was having are fixed in this -mm release, including a nasty libata 
> oops that seemed to have a few people scratching their heads.

OK, but probably that libata error-path bug is still in there.  It's just
that you're no longer taking the error paths.  And now we've lost our means
to reproduce it.

> I've now done in excess of 20 reboots with this code and haven't had either 
> problem show up at all.
> 
> So for now I'll keep a record of things for a bit longer, but I guess I've 
> reason to be fairly confident that both this USB/IRQ problem and my ATA/IRQ 
> problem are now fixed.
> 
> It does make me wonder if the ACPI update in rc1-mm2 fixed it, and was actually 
> the cause of most of my problems......it would be nice to know for sure.

We probably won't know.  Did you ever test 2.6.16-rc1 plus 2.6.16-rc1-mm1's
acpi.patch?  If that plays up we'd have confirmation.


  reply	other threads:[~2006-01-21  5:48 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-11 12:21 2.6.15-mm3 Andrew Morton
2006-01-11 13:43 ` 2.6.15-mm3 Pekka Enberg
2006-01-11 14:27 ` 2.6.15-mm3 Ashutosh Naik
2006-01-11 16:21 ` 2.6.15-mm3 Dominik Karall
2006-01-11 22:22   ` 2.6.15-mm3, current -git: drivers/media/video/ compile errors Adrian Bunk
2006-01-11 22:48     ` Mauro Carvalho Chehab
2006-01-11 16:57 ` [PATCH -mm] mm/rmap.c: don't forget to include module.h Alexey Dobriyan
2006-01-11 21:42   ` Adrian Bunk
2006-01-11 21:50     ` Christoph Lameter
2006-01-11 18:25 ` 2.6.15-mm3 Roman Zippel
2006-01-11 18:45   ` 2.6.15-mm3 Andrew Morton
2006-01-11 22:26     ` 2.6.15-mm3 Roman Zippel
2006-01-11 18:34 ` 2.6.15-mm3 Brice Goglin
2006-01-11 18:40   ` 2.6.15-mm3 Dominik Brodowski
2006-01-11 19:07     ` 2.6.15-mm3 Brice Goglin
2006-01-11 19:55       ` 2.6.15-mm3 Dominik Brodowski
2006-01-11 20:28         ` 2.6.15-mm3 Brice Goglin
2006-01-11 21:21           ` 2.6.15-mm3 Dominik Brodowski
2006-01-11 22:47             ` 2.6.15-mm3 Brice Goglin
2006-01-11 23:00               ` 2.6.15-mm3 Dominik Brodowski
2006-01-11 23:23                 ` 2.6.15-mm3 Brice Goglin
2006-01-11 18:49   ` 2.6.15-mm3 Andrew Morton
2006-01-11 21:39 ` 2.6.15-mm3 Grant Coady
2006-01-11 23:41 ` 2.6.15-mm3: arch/ia64/sn/kernel/sn2/sn_proc_fs.c compile error Adrian Bunk
2006-01-12  0:01   ` Andrew Morton
2006-01-12  0:17     ` Adrian Bunk
2006-01-12  0:23       ` Andrew Morton
2006-01-12  0:54         ` Adrian Bunk
2006-01-12  1:02 ` [-mm patch] fix arch/ia64/sn/kernel/tiocx.c compilation Adrian Bunk
2006-01-12 16:43   ` Greg KH
2006-01-12  4:04 ` 2.6.15-mm3 Reuben Farrelly
2006-01-12  4:33   ` 2.6.15-mm3 Andrew Morton
2006-01-12  4:38     ` 2.6.15-mm3 Reuben Farrelly
2006-01-12  8:54     ` 2.6.15-mm3 [USB lost interrupt bug] Reuben Farrelly
2006-01-12 15:53       ` [linux-usb-devel] " Alan Stern
2006-01-15 22:50         ` Reuben Farrelly
2006-01-16  3:22           ` Alan Stern
2006-01-16  3:28             ` Reuben Farrelly
2006-01-16  3:46               ` Alan Stern
2006-01-21  5:21                 ` Reuben Farrelly
2006-01-21  5:47                   ` Andrew Morton [this message]
2006-01-21  7:58                     ` Reuben Farrelly
2006-01-21  8:32                       ` [PATCH] " Jeff Garzik
2006-01-21 10:41                         ` Reuben Farrelly
2006-01-12 10:48 ` [RFC: -mm patch] swsusp: make some code static Adrian Bunk
2006-01-12 15:29   ` Pavel Machek
2006-01-12 16:18     ` Rafael J. Wysocki
2006-01-12 10:48 ` [-mm patch] drivers/block/aoe/aoecmd.c: make aoecmd_cfg_pkts() static Adrian Bunk
2006-01-12 23:55   ` Ed L. Cashin
2006-01-12 21:05 ` 2.6.15-mm3 Rafael J. Wysocki
2006-01-12 21:58   ` 2.6.15-mm3 Andrew Morton
2006-01-12 22:01     ` 2.6.15-mm3 Patrick McHardy
2006-01-13  8:34 ` 2.6.15-mm3 Sachin Sant
2006-01-13 11:52   ` 2.6.15-mm3 Andrew Morton
2006-01-13 21:59     ` 2.6.15-mm3 Benjamin Herrenschmidt

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