[tor-talk] TorBrowser is only showing a black windows after today's update

[Matthew Finkel]

On Wed, Oct 23, 2019 at 6:28 PM Nirgal <contact_tor at nirgal.com> wrote:
>
> Hi
>
> I'm using Tor Browser Bundle on Debian stable, with xfce.
>
> After last update, tor is only showing a black windows.
>
> I get the first small window "Establishing a connexion..." then the regular
> big window "Tor Browser", so I guess some stuff is working. But it's unusable
> because both windows are totally black.
>
> Any one else have that issue?
> Any work around?
>
> When running with --verbose, I get this kind of errors:
> [21969, Main Thread] WARNING: failed to open shm: Permission denied: file /var/tmp/build/firefox-d051ff6e2f60/ipc/chromium/src/base/shared_memory_posix.cc, line 142
> Crash Annotation GraphicsCriticalError: |[0][GFX1-]: Failed to lock new back buffer. (t=0.466201) [GFX1-]: Failed to lock new back buffer.
> [21969, Main Thread] WARNING: failed to open shm: Permission denied: file /var/tmp/build/firefox-d051ff6e2f60/ipc/chromium/src/base/shared_memory_posix.cc, line 142
> Crash Annotation GraphicsCriticalError: |[0][GFX1-]: Failed to lock new back buffer. (t=0.466201) |[1][GFX1-]: Failed to lock new back buffer. (t=0.471717) [GFX1-]: Failed to lock new back buffer.
> [21969, Main Thread] WARNING: failed to open shm: Permission denied: file /var/tmp/build/firefox-d051ff6e2f60/ipc/chromium/src/base/shared_memory_posix.cc, line 142
> Crash Annotation GraphicsCriticalError: |[0][GFX1-]: Failed to lock new back buffer. (t=0.466201) |[1][GFX1-]: Failed to lock new back buffer. (t=0.471717) |[2][GFX1-]: Failed to lock new back buffer. (t=0.494473) [GFX1-]: Failed to lock new back buffer.
> [21969, Main Thread] WARNING: failed to open shm: Permission denied: file /var/tmp/build/firefox-d051ff6e2f60/ipc/chromium/src/base/shared_memory_posix.cc, line 142
> Crash Annotation GraphicsCriticalError: |[0][GFX1-]: Failed to lock new back buffer. (t=0.466201) |[1][GFX1-]: Failed to lock new back buffer. (t=0.471717) |[2][GFX1-]: Failed to lock new back buffer. (t=0.494473) |[3][GFX1-]: Failed to lock new back buffer. (t=0.505148) [GFX1-]: Failed to lock new back buffer.
> [21969, Main Thread] WARNING: failed to open shm: Permission denied: file /var/tmp/build/firefox-d051ff6e2f60/ipc/chromium/src/base/shared_memory_posix.cc, line 142
> Crash Annotation GraphicsCriticalError: |[0][GFX1-]: Failed to lock new back buffer. (t=0.466201) |[1][GFX1-]: Failed to lock new back buffer. (t=0.471717) |[2][GFX1-]: Failed to lock new back buffer. (t=0.494473) |[3][GFX1-]: Failed to lock new back buffer. (t=0.505148) |[4][GFX1-]: Failed to lock new back buffer. (t=0.554666) [GFX1-]: Failed to lock new back buffer.
> [21969, Main Thread] WARNING: failed to open shm: Permission denied: file /var/tmp/build/firefox-d051ff6e2f60/ipc/chromium/src/base/shared_memory_posix.cc, line 142
> Crash Annotation GraphicsCriticalError: |[0][GFX1-]: Failed to lock new back buffer. (t=0.466201) |[1][GFX1-]: Failed to lock new back buffer. (t=0.471717) |[2][GFX1-]: Failed to lock new back buffer. (t=0.494473) |[3][GFX1-]: Failed to lock new back buffer. (t=0.505148) |[4][GFX1-]: Failed to lock new back buffer. (t=0.554666) |[5][GFX1-]: Failed to lock new back buffer. (t=0.704898) [GFX1-]: Failed to lock new back buffer.

Hi, thanks for reporting this!

When you describe seeing a black window, does it look like the
screenshot on this bug?
https://bugzilla.mozilla.org/show_bug.cgi?id=1421353#c0