On Tue, Nov 26, 2013 at 10:37 PM, Khalid Aziz wrote:
> On Tue, Nov 26, 2013 at 05:48:06PM +, Matthew Garrett wrote:
>> On Tue, Nov 26, 2013 at 10:35:26AM -0700, Bjorn Helgaas wrote:
>> > On Tue, Nov 26, 2013 at 9:40 AM, Khalid Aziz
>> > wrote:
>> > > Disabling Bus Master bit is effectively
On Tue, Nov 26, 2013 at 05:48:06PM +, Matthew Garrett wrote:
> On Tue, Nov 26, 2013 at 10:35:26AM -0700, Bjorn Helgaas wrote:
> > On Tue, Nov 26, 2013 at 9:40 AM, Khalid Aziz wrote:
> > > Disabling Bus Master bit is effectively a brute force and not an elegant
> > > way
> > > to stop
On Tue, Nov 26, 2013 at 10:35:26AM -0700, Bjorn Helgaas wrote:
> On Tue, Nov 26, 2013 at 9:40 AM, Khalid Aziz wrote:
> > Disabling Bus Master bit is effectively a brute force and not an elegant way
> > to stop unwanted DMA. It can have side effects as Alan and others pointed
> > out in the
[+cc Eric, Matthew]
On Tue, Nov 26, 2013 at 9:40 AM, Khalid Aziz wrote:
> On 11/25/2013 08:33 PM, Bjorn Helgaas wrote:
>>
>> [+cc Lan, Khalid, Konstantin, Alan, Takao, Jility, Florian, linux-kernel]
>>
>> On Tue, Nov 12, 2013 at 07:40:03PM +, Chang Liu wrote:
>>>
>>> This fixes
On 11/25/2013 08:33 PM, Bjorn Helgaas wrote:
[+cc Lan, Khalid, Konstantin, Alan, Takao, Jility, Florian, linux-kernel]
On Tue, Nov 12, 2013 at 07:40:03PM +, Chang Liu wrote:
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=63861
Commit b566a22c2 and 7897e60227 made
On 11/25/2013 08:33 PM, Bjorn Helgaas wrote:
[+cc Lan, Khalid, Konstantin, Alan, Takao, Jility, Florian, linux-kernel]
On Tue, Nov 12, 2013 at 07:40:03PM +, Chang Liu wrote:
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=63861
Commit b566a22c2 and 7897e60227 made
[+cc Eric, Matthew]
On Tue, Nov 26, 2013 at 9:40 AM, Khalid Aziz khalid.a...@oracle.com wrote:
On 11/25/2013 08:33 PM, Bjorn Helgaas wrote:
[+cc Lan, Khalid, Konstantin, Alan, Takao, Jility, Florian, linux-kernel]
On Tue, Nov 12, 2013 at 07:40:03PM +, Chang Liu wrote:
This fixes
On Tue, Nov 26, 2013 at 10:35:26AM -0700, Bjorn Helgaas wrote:
On Tue, Nov 26, 2013 at 9:40 AM, Khalid Aziz khalid.a...@oracle.com wrote:
Disabling Bus Master bit is effectively a brute force and not an elegant way
to stop unwanted DMA. It can have side effects as Alan and others pointed
On Tue, Nov 26, 2013 at 05:48:06PM +, Matthew Garrett wrote:
On Tue, Nov 26, 2013 at 10:35:26AM -0700, Bjorn Helgaas wrote:
On Tue, Nov 26, 2013 at 9:40 AM, Khalid Aziz khalid.a...@oracle.com wrote:
Disabling Bus Master bit is effectively a brute force and not an elegant
way
to
On Tue, Nov 26, 2013 at 10:37 PM, Khalid Aziz khalid.a...@oracle.com wrote:
On Tue, Nov 26, 2013 at 05:48:06PM +, Matthew Garrett wrote:
On Tue, Nov 26, 2013 at 10:35:26AM -0700, Bjorn Helgaas wrote:
On Tue, Nov 26, 2013 at 9:40 AM, Khalid Aziz khalid.a...@oracle.com
wrote:
Disabling
On 2013年11月26日 11:33, Bjorn Helgaas wrote:
> Lan, do you have access to any Lynx Point boxes? Can you test and see
> whether they hang on power-off also? I suspect this might be something
> specific to the Acer box, not a generic Lynx Point issue.
Sure. I just get one such prototype laptop and
On Mon, Nov 25, 2013 at 9:11 PM, Chang Liu wrote:
> If this turns out to be a problem specific to Acer V573G, we can simply
> wrap the if (pdev->...) line in ata/ahci.c with if
> (dmi_check_system(acer_v573g))
> so that only acer v573g laptops will be affected by this patch. The remaining
> part
If this turns out to be a problem specific to Acer V573G, we can simply
wrap the if (pdev->...) line in ata/ahci.c with if
(dmi_check_system(acer_v573g))
so that only acer v573g laptops will be affected by this patch. The remaining
part of the patch won't need to be changed.
I can do an updated
[+cc Lan, Khalid, Konstantin, Alan, Takao, Jility, Florian, linux-kernel]
On Tue, Nov 12, 2013 at 07:40:03PM +, Chang Liu wrote:
> This fixes https://bugzilla.kernel.org/show_bug.cgi?id=63861
>
> Commit b566a22c2 and 7897e60227 made pci_device_shutdown()
> unconditionally clear Bus Master bit
[+cc Lan, Khalid, Konstantin, Alan, Takao, Jility, Florian, linux-kernel]
On Tue, Nov 12, 2013 at 07:40:03PM +, Chang Liu wrote:
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=63861
Commit b566a22c2 and 7897e60227 made pci_device_shutdown()
unconditionally clear Bus Master bit for
If this turns out to be a problem specific to Acer V573G, we can simply
wrap the if (pdev-...) line in ata/ahci.c with if
(dmi_check_system(acer_v573g))
so that only acer v573g laptops will be affected by this patch. The remaining
part of the patch won't need to be changed.
I can do an updated
On Mon, Nov 25, 2013 at 9:11 PM, Chang Liu cl9...@gmail.com wrote:
If this turns out to be a problem specific to Acer V573G, we can simply
wrap the if (pdev-...) line in ata/ahci.c with if
(dmi_check_system(acer_v573g))
so that only acer v573g laptops will be affected by this patch. The
On 2013年11月26日 11:33, Bjorn Helgaas wrote:
Lan, do you have access to any Lynx Point boxes? Can you test and see
whether they hang on power-off also? I suspect this might be something
specific to the Acer box, not a generic Lynx Point issue.
Sure. I just get one such prototype laptop and
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