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Re: [Bug 1405277] Re: screen flicker in ubuntu 14.04.1 and derivatives

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: hansie <bandarslamat@xxxxxxxxx>
Date: Thu, 19 Mar 2015 23:09:35 -0000
Reply-to: Bug 1405277 <1405277@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

screen flicker on 'Toshiba Satelite A215-S4697'
1. kernel 3.19.0 - versions 7,8,9: ubuntu 15.10
screen does not flicker at all

2. kernel 3.13.0
a. uptil version 35 (36?): screen does not flicker
b. upwards from version 36 screen flickers badlyc. (upwards from version 36 a bug - or omission - may have crept in)

On Thursday, March 19, 2015 3:42 PM, jwm hogenboom <bandarslamat@xxxxxxxxx> wrote:

kernel versions on 'Satelite A215-S4697' related

On Monday, March 9, 2015 12:12 PM, jwm hogenboom <bandarslamat@xxxxxxxxx> wrote:

1. i installed a brandnew 'crucial ssd' on this 'toshiba satelite A215-S4697' - hoping that disk speed would solve the problem
2. first distro installed was 'zorin 9 lite'3. the original installation did not flicker: kernel 3.13.32 (??)4. the updated kernel version flickered badly: kernel 3.13.46
'zorin' is based on 'ubuntu 14.04 xfce'

On Friday, February 27, 2015 2:01 PM, jwm hogenboom <bandarslamat@xxxxxxxxx> wrote:

1. the same still holds for all ubuntu 14.04.2 - and all of its derivatives2. the flickering does not exist in the very first - and original - kernel of ubuntu 14.043. the flickering does not exist in 'linux mint 17.0' - since 'mint' does not change kernels, the way ubuntu does

On Monday, February 23, 2015 5:20 PM, Christopher M. Penalver <christopher.m.penalver@xxxxxxxxx> wrote:

hansie, this bug was reported a while ago and there hasn't been any
activity in it recently. We were wondering if this is still an issue? If
so, could you please test for this with the latest development release
of Ubuntu? ISO images are available from http://cdimage.ubuntu.com
/daily-live/current/ .

If it remains an issue, could you please run the following command in
the development release from a Terminal as it will automatically gather
and attach updated debug information to this report:

apport-collect -p xorg 1405277

Please ensure you have xdiagnose installed, and that you click the Yes
button for attaching additional debugging information.

As well, given the information from the prior release is already
available, testing a release prior to the development one would not be
helpful.

Thank you for your understanding.

Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs

** Changed in: xorg (Ubuntu)
Importance: Undecided => Low

** Changed in: xorg (Ubuntu)
Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1405277

Title:
screen flicker in ubuntu 14.04.1 and derivatives

Status in xorg package in Ubuntu:
Incomplete

Bug description:
1. my screen flickers on all ubuntu 14.04.1 distro versions, linux
mint 17.1 'cinamon', lxle 64 bit, guadalinex v9 32 bit, etc.

2. it flickers on the mint 17.1 'cinamon' installation disk - but it
is stable on mint 17.0 'mate' installed

3. i can cure it by accesing the 'recovery section' of the 'multi-
boot' system: but it is NOT 'persistent'

4. how can i fix this, using the 'cli': to make the fix 'permanent'

the laptop is an older 'toshiba - amd - athlon x2'

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https://bugs.launchpad.net/bugs/1405277