From: Dave Jones <davej@redhat.com>
To: Fabio Baltieri <fabio.baltieri@linaro.org>
Cc: Greg KH <gregkh@linuxfoundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
tianyu.lan@intel.com,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
linux-acpi@vger.kernel.org
Subject: Re: [GIT PATCH] USB patches for 3.9-rc1
Date: Fri, 22 Feb 2013 17:23:04 -0500 [thread overview]
Message-ID: <20130222222304.GA19546@redhat.com> (raw)
In-Reply-To: <20130222215158.GA4723@balto.lan>
On Fri, Feb 22, 2013 at 10:51:58PM +0100, Fabio Baltieri wrote:
> On Fri, Feb 22, 2013 at 03:59:54AM -0500, Dave Jones wrote:
> > On Thu, Feb 21, 2013 at 10:40:10AM -0800, Greg KH wrote:
> >
> > It looks like every port on my laptop is powered down, as I can't
> > even charge devices with it.
>
> I have the same problem (and almost the same laptop, Thinkpad T430
> here), all external USB ports without power - even the always-on one
> :-).
>
> The bug seems to be ACPI related, I bisected it down to this patch:
>
> f95988d ACPI / scan: Treat power resources in a special way
>
> In the dmesg I have some error like these:
>
> ACPI: Power Resource [PUBS] (on)
> ...
> pci 0000:00:14.0: System wakeup disabled by ACPI
>
> for the USB controllers in the broken kernel, there are some in your
> dmesg too. I'll try to come up with a fix for current mainline, but all
> the acpi stuff is quite obscure to me and the patch does not revert
> cleanly, maybe Rafael (in CC) has some idea!
Good find. I see the same thing.
[ 0.930283] ACPI _OSC control for PCIe not granted, disabling ASPM
[ 0.933527] pci 0000:00:14.0: System wakeup disabled by ACPI
[ 0.935982] pci 0000:00:19.0: System wakeup disabled by ACPI
[ 0.937898] pci 0000:00:1a.0: System wakeup disabled by ACPI
[ 0.939835] pci 0000:00:1b.0: System wakeup disabled by ACPI
[ 0.940700] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.EXP1._PRT]
[ 0.942195] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.EXP2._PRT]
[ 0.943737] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.EXP3._PRT]
[ 0.944564] pci 0000:00:1c.2: System wakeup disabled by ACPI
[ 0.966491] pci 0000:00:1d.0: System wakeup disabled by ACPI
I must have pulled in the acpi bits the same time as the usb pull,
because I don't recall seeing this problem before last night.
Dave
next prev parent reply other threads:[~2013-02-22 22:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20130222085954.GA4352@redhat.com>
2013-02-22 21:51 ` [GIT PATCH] USB patches for 3.9-rc1 Fabio Baltieri
2013-02-22 22:23 ` Dave Jones [this message]
2013-02-23 0:10 ` Fabio Baltieri
2013-02-23 0:35 ` Rafael J. Wysocki
2013-02-23 1:44 ` Fabio Baltieri
2013-02-23 4:33 ` Rafael J. Wysocki
2013-02-23 11:49 ` Fabio Baltieri
2013-02-23 14:18 ` [PATCH] ACPI / PM: Take unusual configurations of power resources into account (was: Re: [GIT PATCH] USB patches for 3.9-rc1) Rafael J. Wysocki
2013-02-23 14:48 ` Fabio Baltieri
2013-02-23 22:29 ` Rafael J. Wysocki
2013-02-23 0:20 ` [GIT PATCH] USB patches for 3.9-rc1 Rafael J. Wysocki
2013-02-23 0:19 ` Rafael J. Wysocki
2013-02-23 0:30 ` Linus Torvalds
2013-02-23 0:48 ` Rafael J. Wysocki
2013-02-23 1:10 ` Linus Torvalds
2013-02-23 2:01 ` Rafael J. Wysocki
2013-02-23 1:00 ` Rafael J. Wysocki
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