Re: [PATCH spice-gtk] widget: fix request_auto_usbredir() critical

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On Wed, Jun 6, 2018 at 6:03 PM, Victor Toso <victortoso@xxxxxxxxxx> wrote:
> On Wed, Jun 06, 2018 at 05:23:24PM +0200, marcandre.lureau@xxxxxxxxxx wrote:
>> From: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
>>
>> On f28, when focusing out of the display, we get the following
>> critical:
>>
>> (spicy:15388): GSpice-CRITICAL **: 17:20:07.710:
>> spice_gtk_session_request_auto_usbredir: assertion
>> 's->auto_usbredir_reqs > 0' failed
>>
>> This is due to unbalanced gtk+ focus-in and focus-out events (one more
>> focus-out). This may be fixable on the gtk+ side, but it's also easy
>> to prevent on our side when the last focus state is unchanged.
>>
>> Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
>
> Have you seen https://gitlab.gnome.org/GNOME/gtk/issues/792 ?

Nope, thanks for the link.

>
> IMHO it can be prevented in spice-gtk but some warning should be
> kept as this is unexpected.

The function looks generic enough to prevent doing unnecessary work if
the state is not changed.

I am not sure it's spice-gtk job to report gtk+ bugs :)

How long before the gtk+ bug is fixed (if it's ever fixed)?

I'd just go with this simple patch, and let the gtk+ team decide how
and when to fix the gtk+ behaviour.

>
>> ---
>>  src/spice-widget.c | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/src/spice-widget.c b/src/spice-widget.c
>> index 72f5334..2adcf30 100644
>> --- a/src/spice-widget.c
>> +++ b/src/spice-widget.c
>> @@ -207,6 +207,9 @@ static void update_keyboard_focus(SpiceDisplay *display, gboolean state)
>>  {
>>      SpiceDisplayPrivate *d = display->priv;
>>
>> +    if (d->keyboard_have_focus == state)
>> +        return;
>> +
>>      d->keyboard_have_focus = state;
>>      spice_gtk_session_set_keyboard_has_focus(d->gtk_session, state);
>>
>>
>> base-commit: 7b67ed4eb6ab530bf58afac8ff4ed190cc951dfb
>> --
>> 2.18.0.rc1.1.gae296d1cf5
>>
>> _______________________________________________
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>> Spice-devel@xxxxxxxxxxxxxxxxxxxxx
>> https://lists.freedesktop.org/mailman/listinfo/spice-devel
>
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>



-- 
Marc-André Lureau
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