Comment 29 for bug 1414230

Revision history for this message
Viswa B (vsbhattachar) wrote : RE: [Bug 1414230] Re: v14.04 screen garbled upon restart with external monitor

Followed instructions. Hopefully information was uploaded.

In addition, I get the following message sometimes. Please see the attached picture.

Thx.

> Date: Sat, 24 Jan 2015 13:26:06 +0000
> From: <email address hidden>
> To: <email address hidden>
> Subject: [Bug 1414230] Re: v14.04 screen garbled upon restart with external monitor
>
> Sounds like it may be a video driver bug. Let's start by collecting
> information on your system. If you would, please open a terminal
> application and type the command "apport-collect 1414230". This will
> (hopefully) gather information on your system hardware and software
> configuration and attach it to this bug for further analysis.
>
> ** Changed in: unity (Ubuntu)
> Status: New => Incomplete
>
> ** Changed in: unity (Ubuntu)
> Importance: Undecided => Medium
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1414230
>
> Title:
> v14.04 screen garbled upon restart with external monitor
>
> Status in unity package in Ubuntu:
> Incomplete
>
> Bug description:
> I have installed Ubuntu 14.04 on a Acer Aspire One 722. Everything
> works fine on the laptop by itself. But if I connect the laptop to an
> external monitor (a HDTV in this instance) via a HDMI cable, the
> display on the laptop screen and on the external monitor work fine:
>
> 1) until I close the screen of the laptop while the laptp is still
> on, let it go to sleep, and then open the screen and restart. At that
> point the laptop and external montor screens are black with some
> garbled characters. There is no way to recover the laptop but shut it
> down and perform a cold boot.
>
> 2) and continue to do so if I use the suspend command (from the drop
> down menu from the top right corner of the screen). The laptop and the
> external monitor go dark when the computer suspends. Upon waking both
> the laptop screen and the external monitor work fine. Needless to say
> closing the lid after using the suspend command makes no difference.
>
> Any clues on what could be happening when I close the lid of the
> laptop to suspend the laptop?
>
> Ubuntu information: 64 bit version
> DISTRIB_ID=Ubuntu
> DISTRIB_RELEASE=14.04
> DISTRIB_CODENAME=trusty
> DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS"
>
> viswa@netbook:~$ uname -r
> 3.11.0-18-generic
>
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