On 8/20/20 3:15 AM, Laurent Pinchart wrote:
[ ... ]
>> usb_set_interface() should not be called anymore after uvc_disconnect(),
>> or at east I think so (is that documented anywhere ?).
>> Yet, that obviously happens, and it happens completely outside lock
>> control. And this is just one
Hi Guenter,
On Wed, Aug 19, 2020 at 04:08:51PM -0700, Guenter Roeck wrote:
> On Wed, Aug 19, 2020 at 04:30:02AM +0300, Laurent Pinchart wrote:
> > On Mon, Aug 17, 2020 at 01:00:49PM +0200, Hans Verkuil wrote:
> > > On 17/08/2020 01:51, Laurent Pinchart wrote:
> > > > On Sun, Aug 16, 2020 at
On Wed, Aug 19, 2020 at 04:08:51PM -0700, Guenter Roeck wrote:
> usb_set_interface() should not be called anymore after uvc_disconnect(),
> or at east I think so (is that documented anywhere ?).
It may be documented somewhere, but basically it goes without saying.
A main feature of the device
On Wed, Aug 19, 2020 at 04:30:02AM +0300, Laurent Pinchart wrote:
> Hi Hans,
>
> On Mon, Aug 17, 2020 at 01:00:49PM +0200, Hans Verkuil wrote:
> > On 17/08/2020 01:51, Laurent Pinchart wrote:
> > > On Sun, Aug 16, 2020 at 08:54:18AM -0700, Guenter Roeck wrote:
> > >> On 8/16/20 5:18 AM, Laurent
Hi Hans,
On Wed, Aug 19, 2020 at 09:27:05AM +0200, Hans Verkuil wrote:
> On 19/08/2020 03:30, Laurent Pinchart wrote:
> > On Mon, Aug 17, 2020 at 01:00:49PM +0200, Hans Verkuil wrote:
> >> On 17/08/2020 01:51, Laurent Pinchart wrote:
> >>> On Sun, Aug 16, 2020 at 08:54:18AM -0700, Guenter Roeck
On 19/08/2020 03:30, Laurent Pinchart wrote:
> Hi Hans,
>
> On Mon, Aug 17, 2020 at 01:00:49PM +0200, Hans Verkuil wrote:
>> On 17/08/2020 01:51, Laurent Pinchart wrote:
>>> On Sun, Aug 16, 2020 at 08:54:18AM -0700, Guenter Roeck wrote:
On 8/16/20 5:18 AM, Laurent Pinchart wrote:
>
Hi Hans,
On Mon, Aug 17, 2020 at 01:00:49PM +0200, Hans Verkuil wrote:
> On 17/08/2020 01:51, Laurent Pinchart wrote:
> > On Sun, Aug 16, 2020 at 08:54:18AM -0700, Guenter Roeck wrote:
> >> On 8/16/20 5:18 AM, Laurent Pinchart wrote:
> >>> CC'ing Hans Verkuil and Sakari Ailus for the discussion
On 17/08/2020 01:51, Laurent Pinchart wrote:
> Hi Guenter,
>
> On Sun, Aug 16, 2020 at 08:54:18AM -0700, Guenter Roeck wrote:
>> On 8/16/20 5:18 AM, Laurent Pinchart wrote:
>>> Hi Guenter,
>>>
>>> CC'ing Hans Verkuil and Sakari Ailus for the discussion about handling
>>> file operations and
Hi Guenter,
On Sun, Aug 16, 2020 at 08:54:18AM -0700, Guenter Roeck wrote:
> On 8/16/20 5:18 AM, Laurent Pinchart wrote:
> > Hi Guenter,
> >
> > CC'ing Hans Verkuil and Sakari Ailus for the discussion about handling
> > file operations and disconnect in V4L2.
> >
> > On Sat, Aug 15, 2020 at
On 8/16/20 5:18 AM, Laurent Pinchart wrote:
> Hi Guenter,
>
> CC'ing Hans Verkuil and Sakari Ailus for the discussion about handling
> file operations and disconnect in V4L2.
>
> On Sat, Aug 15, 2020 at 05:33:15PM -0700, Guenter Roeck wrote:
>> + linux-uvc-de...@lists.sourceforge.net
>> +
Hi Guenter,
CC'ing Hans Verkuil and Sakari Ailus for the discussion about handling
file operations and disconnect in V4L2.
On Sat, Aug 15, 2020 at 05:33:15PM -0700, Guenter Roeck wrote:
> + linux-uvc-de...@lists.sourceforge.net
> + linux-me...@vger.kernel.org
> +
+ linux-uvc-de...@lists.sourceforge.net
+ linux-me...@vger.kernel.org
+ laurent.pinch...@ideasonboard.com
and changed subject
On Fri, Aug 14, 2020 at 10:07:39PM -0400, Alan Stern wrote:
> On Fri, Aug 14, 2020 at 04:07:03PM -0700, Guenter Roeck wrote:
> > Hi all,
> >
> > over time, there have
On Fri, Aug 14, 2020 at 04:07:03PM -0700, Guenter Roeck wrote:
> Hi all,
>
> over time, there have been a number of reports of crashes in
> usb_ifnum_to_if(),
> called from usb_hcd_alloc_bandwidth, which is in turn called from
> usb_set_interface().
> Examples are [1] [2] [3]. A typical
On 8/14/20 7:07 PM, Alan Stern wrote:
> On Fri, Aug 14, 2020 at 04:07:03PM -0700, Guenter Roeck wrote:
>> Hi all,
>>
>> over time, there have been a number of reports of crashes in
>> usb_ifnum_to_if(),
>> called from usb_hcd_alloc_bandwidth, which is in turn called from
>> usb_set_interface().
Hi all,
over time, there have been a number of reports of crashes in usb_ifnum_to_if(),
called from usb_hcd_alloc_bandwidth, which is in turn called from
usb_set_interface().
Examples are [1] [2] [3]. A typical backtrace is:
<3>[ 3489.445468] intel_sst_acpi 808622A8:00: sst: Busy wait failed,
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