[Bug 70101] Black screen on return from suspension

[Bug 70101] Black screen on return from suspension

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=70101

Aaron Lu <aaron.lu@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |ASSIGNED
          Component|Power-Sleep-Wake            |Video(DRI - non Intel)
           Assignee|acpi_power-sleep-wake@kerne |drivers_video-dri@kernel-bu
                   |l-bugs.osdl.org             |gs.osdl.org
            Product|ACPI                        |Drivers

--- Comment #27 from Aaron Lu <aaron.lu@intel.com> ---
This suggests the graphics driver has issues dealing with PM transition. I'll
re-assign the bug to GPU/Raedon category.

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[Bug 70101] Black screen on return from suspension

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=70101

paul iulian <pauliulian02@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|kernel-ppa/mainline/v3.14-r |Linux
                   |c1-trusty                   |3.13.0-8-generic-trusty

--- Comment #28 from paul iulian <pauliulian02@gmail.com> ---
I guessed long ago that the problem would be amd radeon open source video
drivers. A while before I reinstalled ubuntu 14.04 because of errors caused by
my attempts to change some parameters to kernel 3.14. Therefore I returned to
the kernel ubuntu 3.13, but of course the same problems return from suspension.
Thank you! And hopefully before the official launch ubuntu 14.04 the problem to
be solved.

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[Bug 70101] Black screen on return from suspension

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=70101

--- Comment #29 from paul iulian <pauliulian02@gmail.com> ---
paul@Satellite-L500D:~$ sudo lspci -vnn | grep -A12 VGA
[sudo] password for paul: 
02:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] RV710/M92 [Mobility Radeon HD 4530/4570/545v] [1002:9553] (prog-if 00
[VGA controller])
    Subsystem: Toshiba America Info Systems Device [1179:ff80]
    Flags: bus master, fast devsel, latency 0, IRQ 45
    Memory at d0000000 (32-bit, prefetchable) [size=256M]
    I/O ports at 9000 [size=256]
    Memory at cfef0000 (32-bit, non-prefetchable) [size=64K]
    [virtual] Expansion ROM at cfe00000 [disabled] [size=128K]
    Capabilities: [50] Power Management version 3
    Capabilities: [58] Express Legacy Endpoint, MSI 00
    Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
    Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
    Kernel driver in use: radeon

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[Bug 70101] Black screen on return from suspension

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=70101

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com

--- Comment #30 from Alex Deucher <alexdeucher@gmail.com> ---
Since this is a regression, can you do a bisect between v3.13 and v3.14-rc1 to
find the problematic commit?

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[Bug 70101] Black screen on return from suspension

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=70101

--- Comment #31 from paul iulian <pauliulian02@gmail.com> ---
Since Ubuntu 13.04 I noticed the problem of the return of suspension currently
using ubuntu 12.04.4 PAE kernel 3.2 this problem does not exist, ubuntu 12.04
on my laptop works perfectly with either video drivers AMD Radeon HD 4500
series with either open source. I decided to install ubuntu 12.04 instead of
ubuntu 13.10 ubuntu 14.04 but then I noticed these errors ...

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