Re: [Bug 1590561] Re: webbrowser-app crashes on startup on fresh zesty Unity8: No suitable EGL configs found

[David Barth]

Thanks Tyler!

On Thu, Mar 16, 2017 at 4:16 AM, Tyler Hicks 
wrote:

> ** Changed in: apparmor
> Milestone: None => 2.12
>
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> You received this bug notification because you are a bug assignee.
> https://bugs.launchpad.net/bugs/1590561
>
> Title:
>   webbrowser-app crashes on startup on fresh zesty Unity8: No suitable
>   EGL configs found
>
> To manage notifications about this bug go to:
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Title:
  webbrowser-app crashes on startup on fresh zesty Unity8: No suitable
  EGL configs found

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Re: [Bug 1590561] Re: webbrowser-app crashes on startup on fresh zesty Unity8: No suitable EGL configs found

[David Barth]

webbrowser-app and all other Qt apps trying to get an EGL handle, via Mir
then.

This means : should the policy be updated to have all Qt apps get this
access level ? or should that stay as a per-app decision ?


On Tue, Feb 21, 2017 at 8:44 PM, Seth Arnold <1590...@bugs.launchpad.net>
wrote:

> If webbrowser-app needs access to nvidia hardware (does it?) using the
>  file is probably easier than figuring out each
> access one at a time.
>
> Thanks
>
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> https://bugs.launchpad.net/bugs/1590561
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> Title:
>   webbrowser-app crashes on startup on fresh zesty Unity8: No suitable
>   EGL configs found
>
> To manage notifications about this bug go to:
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Title:
  webbrowser-app crashes on startup on fresh zesty Unity8: No suitable
  EGL configs found

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Re: [Bug 1590561] Re: webbrowser-app crashes on startup on fresh zesty Unity8: No suitable EGL configs found

[David Barth]

Interesting, and thanks for proposing a fix.

I guess some further information will still be needed to understand whether
to open the apparmor profile to access those, or if that is wrong from a
confinement perspective.

Can you find which Qt function and/or Oxide calls are made that trigger the
access to this? is the app / lib specifically scanning the hardware to know
about devices ? or is it due to the EGL driver (either userland or kernel) ?

On Wed, Feb 8, 2017 at 3:39 PM, Santosh 
wrote:

> Environment:  zesty/unity8/radeongpu
>
> I can see the EGL crash in my radeon gpu from command line
> $ webbrowser-app --desktop_file_hint=/usr/share/applications/webbrowser-
> app.desktop
>
> The Crash doesn't happen if I unload the  webbrowser apparmor profile.
>
> Looking further on apparmor denial I see few number of message with
> apparmor=DENIED.
> I tried overriding that in webbrowser-app profile to find out actual
> missing privilege.
> and adding these in webbrowser-app profile fixes the issue:
>
> /sys/devices/pci[0-9]*/**/config r,
>
> This also solves webbrowser spinning problem when launched from scopes
>
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> You received this bug notification because you are a bug assignee.
> https://bugs.launchpad.net/bugs/1590561
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> Title:
>   webbrowser-app crashes on startup on fresh zesty Unity8: No suitable
>   EGL configs found
>
> To manage notifications about this bug go to:
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Title:
  webbrowser-app crashes on startup on fresh zesty Unity8: No suitable
  EGL configs found

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Re: [Bug 1590561] Re: webbrowser-app crashes on startup on fresh zesty Unity8: No suitable EGL configs found

[David Barth]

@santosh: can you detail the apparmor denial, if any, that you experience
when the app hangs?
Also, when that happens, what are the function calls made by Oxide that
trigger that ?
Knowing which calls are made would probably help people on this thread to
know where this breaks. (or hangs).


On Wed, Feb 8, 2017 at 11:02 AM, Santosh 
wrote:

> Just to clarify actually I didn't see any crash in my
> test(unity8/zesty/radeon gpu), App gets launched but keeps spinning,
> same result as Pat mentioned above.
>
> After disabling apparmor service  webbrowser-app works fine.
>
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> You received this bug notification because you are a bug assignee.
> https://bugs.launchpad.net/bugs/1590561
>
> Title:
>   webbrowser-app crashes on startup on fresh zesty Unity8: No suitable
>   EGL configs found
>
> To manage notifications about this bug go to:
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Title:
  webbrowser-app crashes on startup on fresh zesty Unity8: No suitable
  EGL configs found

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