On Wed, 2013-08-28 at 10:12 +0800, Gu Zheng wrote:
> On 08/28/2013 05:38 AM, Toshi Kani wrote:
:
> >>
> >> What about changing device_hotplug_lock and acpi_scan_lock to rwsem? like
> >> the
> >> attached one(With a preliminary test, it also can make the splat go
> >> away).:)
> >
> > I am
On Wednesday, August 28, 2013 08:24:22 AM Tejun Heo wrote:
> Hello, Rafael.
>
> On Tue, Aug 27, 2013 at 11:45:46PM +0200, Rafael J. Wysocki wrote:
> > I've thought about that a bit over the last several hours and I'm still
> > thinking that that patch is a bit overkill, because it will trigger
Hello, Rafael.
On Tue, Aug 27, 2013 at 11:45:46PM +0200, Rafael J. Wysocki wrote:
> I've thought about that a bit over the last several hours and I'm still
> thinking that that patch is a bit overkill, because it will trigger the
> restart_syscall() for all cases when device_hotplug_lock is
Hi Rafael,
On 08/28/2013 05:45 AM, Rafael J. Wysocki wrote:
> On Tuesday, August 27, 2013 02:36:44 PM Tejun Heo wrote:
>> Hello,
>>
[...]
>
> I've thought about that a bit over the last several hours and I'm still
> thinking that that patch is a bit overkill, because it will trigger the
>
Hi Rafael,
On 08/28/2013 05:45 AM, Rafael J. Wysocki wrote:
On Tuesday, August 27, 2013 02:36:44 PM Tejun Heo wrote:
Hello,
[...]
I've thought about that a bit over the last several hours and I'm still
thinking that that patch is a bit overkill, because it will trigger the
Hello, Rafael.
On Tue, Aug 27, 2013 at 11:45:46PM +0200, Rafael J. Wysocki wrote:
I've thought about that a bit over the last several hours and I'm still
thinking that that patch is a bit overkill, because it will trigger the
restart_syscall() for all cases when device_hotplug_lock is locked,
On Wednesday, August 28, 2013 08:24:22 AM Tejun Heo wrote:
Hello, Rafael.
On Tue, Aug 27, 2013 at 11:45:46PM +0200, Rafael J. Wysocki wrote:
I've thought about that a bit over the last several hours and I'm still
thinking that that patch is a bit overkill, because it will trigger the
On Wed, 2013-08-28 at 10:12 +0800, Gu Zheng wrote:
On 08/28/2013 05:38 AM, Toshi Kani wrote:
:
What about changing device_hotplug_lock and acpi_scan_lock to rwsem? like
the
attached one(With a preliminary test, it also can make the splat go
away).:)
I am curious how msleep(10)
Hi Toshi,
On 08/28/2013 05:38 AM, Toshi Kani wrote:
> On Tue, 2013-08-27 at 17:21 +0800, Gu Zheng wrote:
>> Hi Rafael,
>>
>> On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
>>
>>> On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael
On Tue, 2013-08-27 at 17:21 +0800, Gu Zheng wrote:
> Hi Rafael,
>
> On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
>
> > On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
> >> On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
> >>> On Monday, August 26, 2013
On Tuesday, August 27, 2013 02:36:44 PM Tejun Heo wrote:
> Hello,
>
> On Tue, Aug 27, 2013 at 05:21:44PM +0800, Gu Zheng wrote:
> > >> OK, so the patch below is quick and dirty and overkill, but it should
> > >> make the
> > >> splat go away at least.
> > >
> > > And if this patch does make the
Hello,
On Tue, Aug 27, 2013 at 05:21:44PM +0800, Gu Zheng wrote:
> >> OK, so the patch below is quick and dirty and overkill, but it should make
> >> the
> >> splat go away at least.
> >
> > And if this patch does make the splat go away for you, please also test the
> > appended one (Tejun,
Hi Rafael,
On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
> On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
>> On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
>>> On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
>
> [...]
>
>>
>> OK, so
Hi Rafael,
On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
[...]
OK, so the patch below is
Hello,
On Tue, Aug 27, 2013 at 05:21:44PM +0800, Gu Zheng wrote:
OK, so the patch below is quick and dirty and overkill, but it should make
the
splat go away at least.
And if this patch does make the splat go away for you, please also test the
appended one (Tejun, thanks for the
On Tuesday, August 27, 2013 02:36:44 PM Tejun Heo wrote:
Hello,
On Tue, Aug 27, 2013 at 05:21:44PM +0800, Gu Zheng wrote:
OK, so the patch below is quick and dirty and overkill, but it should
make the
splat go away at least.
And if this patch does make the splat go away for
On Tue, 2013-08-27 at 17:21 +0800, Gu Zheng wrote:
Hi Rafael,
On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 11:13:13 AM Gu Zheng
Hi Toshi,
On 08/28/2013 05:38 AM, Toshi Kani wrote:
On Tue, 2013-08-27 at 17:21 +0800, Gu Zheng wrote:
Hi Rafael,
On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki
Hi Rafael,
On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
> On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
>> On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
>>> On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
>
> [...]
>
>>
>> OK, so
>>>
>>>[] device_remove_file+0x17/0x20
>>>
>>>
&
Hi Rafael,
On 08/26/2013 10:43 PM, Rafael J. Wysocki wrote:
> On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
>> On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
>>> Hi Rafael,
>>
>> Hi,
>>
>>> On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
>>>
From: Rafael J.
On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
> On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
> > On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
> > > Hi Rafael,
[...]
>
> OK, so the patch below is quick and dirty and overkill, but it should make the
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
> On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
> > Hi Rafael,
>
> Hi,
>
> > On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
> >
> > > From: Rafael J. Wysocki
> > >
> > > There are two mutexes, device_hotplug_lock and
On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
> Hi Rafael,
Hi,
> On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
>
> > From: Rafael J. Wysocki
> >
> > There are two mutexes, device_hotplug_lock and acpi_scan_lock, held
> > around the acpi_bus_trim() call in acpi_scan_hot_remove()
On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
Hi,
On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
From: Rafael J. Wysocki rafael.j.wyso...@intel.com
There are two mutexes, device_hotplug_lock and acpi_scan_lock, held
around the acpi_bus_trim() call in
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
Hi,
On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
From: Rafael J. Wysocki rafael.j.wyso...@intel.com
There are two mutexes,
On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
[...]
OK, so the patch below is quick and dirty and overkill, but it should make the
splat
Hi Rafael,
On 08/26/2013 10:43 PM, Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
Hi,
On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
From: Rafael J. Wysocki
[PATCH] driver core / ACPI: Avoid device removal locking
problems is
a good solution.:)
Regards,
Gu
[8131b6fc] acpi_bus_hot_remove_device+0x37/0x73
Hi Rafael,
On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
[...]
OK, so the patch below is
Hi Rafael,
On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki
>
> There are two mutexes, device_hotplug_lock and acpi_scan_lock, held
> around the acpi_bus_trim() call in acpi_scan_hot_remove() which
> generally removes devices (it removes ACPI device objects at least,
On Sun, Aug 25, 2013 at 10:09:47PM +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki
>
> There are two mutexes, device_hotplug_lock and acpi_scan_lock, held
> around the acpi_bus_trim() call in acpi_scan_hot_remove() which
> generally removes devices (it removes ACPI device objects at
From: Rafael J. Wysocki
There are two mutexes, device_hotplug_lock and acpi_scan_lock, held
around the acpi_bus_trim() call in acpi_scan_hot_remove() which
generally removes devices (it removes ACPI device objects at least,
but it may also remove "physical" device objects through .detach()
From: Rafael J. Wysocki rafael.j.wyso...@intel.com
There are two mutexes, device_hotplug_lock and acpi_scan_lock, held
around the acpi_bus_trim() call in acpi_scan_hot_remove() which
generally removes devices (it removes ACPI device objects at least,
but it may also remove physical device objects
On Sun, Aug 25, 2013 at 10:09:47PM +0200, Rafael J. Wysocki wrote:
From: Rafael J. Wysocki rafael.j.wyso...@intel.com
There are two mutexes, device_hotplug_lock and acpi_scan_lock, held
around the acpi_bus_trim() call in acpi_scan_hot_remove() which
generally removes devices (it removes ACPI
Hi Rafael,
On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
From: Rafael J. Wysocki rafael.j.wyso...@intel.com
There are two mutexes, device_hotplug_lock and acpi_scan_lock, held
around the acpi_bus_trim() call in acpi_scan_hot_remove() which
generally removes devices (it removes ACPI
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