Bug#766049: xserver-xorg-core: Blank primary screen when seocndary attached
hi
thanks for the prompt reply. you were quite right with the brightness
suggestion - it was down to zero on the laptop screen when gdm loads.
i didn't think to try that...
after increasing the brightness and logging in, it went back to zero
as my gnome session started and i needed to bump the brightness up
again. so something is definitely wrong here - not sure its xorg
anymore - maybe gdm ??
that seg fault in the xorg log not significant?
i will try and fiddle with the gdm init as a work-around and see if i
can get it to flick the brightness up on the gdm login screen and
post-login as the gnome session starts.
again, this has been recent since the xorg update - previously all was
well. the complete apt update performed just before all this began is
below for reference.
thanks.
Takis
Upgraded the following packages:
bash (4.3-9.1) to 4.3-9.2
consolekit (0.4.6-4) to 0.4.6-5
dconf-cli (0.20.0-2) to 0.22.0-1
dconf-editor (0.20.0-2) to 0.22.0-1
dconf-gsettings-backend (0.20.0-2) to 0.22.0-1
dconf-service (0.20.0-2) to 0.22.0-1
dconf-tools (0.20.0-2) to 0.22.0-1
gir1.2-gdata-0.0 (0.15.2-1) to 0.16.0-1
gir1.2-gdesktopenums-3.0 (3.12.2-1) to 3.14.0-1
gir1.2-gnomebluetooth-1.0 (3.12.0-5) to 3.14.0-1
gir1.2-gnomedesktop-3.0 (3.12.2-2) to 3.14.0-1
gir1.2-gtkclutter-1.0 (1.5.4-2) to 1.6.0-1
gir1.2-gucharmap-2.90 (1:3.12.1-1) to 1:3.14.0-1
gir1.2-peas-1.0 (1.10.1-4) to 1.12.1-1
gir1.2-totem-plparser-1.0 (3.10.2-3) to 3.10.3-1
gnome-bluetooth (3.12.0-5) to 3.14.0-1
gnome-calculator (3.12.3-1) to 3.14.0-1
gnome-contacts (3.12.0-1+b2) to 3.14.0-1
gnome-desktop3-data (3.12.2-2) to 3.14.0-1
gnome-power-manager (3.12.2-1+b1) to 3.14.0-1
gnome-robots (1:3.8.1-2) to 1:3.14.0-1
gnome-user-share (3.10.2-1) to 3.14.0-1
gsettings-desktop-schemas (3.12.2-1) to 3.14.0-1
gucharmap (1:3.12.1-1) to 1:3.14.0-1
krb5-locales (1.12.1+dfsg-9) to 1.12.1+dfsg-10
libchamplain-0.12-0 (0.12.8-1) to 0.12.9-1
libchamplain-gtk-0.12-0 (0.12.8-1) to 0.12.9-1
libck-connector0 (0.4.6-4) to 0.4.6-5
libclutter-gtk-1.0-0 (1.5.4-2) to 1.6.0-1
libdconf1 (0.20.0-2) to 0.22.0-1
libgdata-common (0.15.2-1) to 0.16.0-1
libgdata19 (0.15.2-1) to 0.16.0-1
libgnome-bluetooth13 (3.12.0-5) to 3.14.0-1
libgnome-desktop-3-10 (3.12.2-2) to 3.14.0-1
libgssapi-krb5-2 (1.12.1+dfsg-9) to 1.12.1+dfsg-10
libgucharmap-2-90-7 (1:3.12.1-1) to 1:3.14.0-1
libjasper1 (1.900.1-debian1-2) to 1.900.1-debian1-2+b1
libk5crypto3 (1.12.1+dfsg-9) to 1.12.1+dfsg-10
libkrb5-3 (1.12.1+dfsg-9) to 1.12.1+dfsg-10
libkrb5support0 (1.12.1+dfsg-9) to 1.12.1+dfsg-10
libncurses5 (5.9+20140712-2) to 5.9+20140913-1
libncursesw5 (5.9+20140712-2) to 5.9+20140913-1
libpam-ck-connector (0.4.6-4) to 0.4.6-5
libpeas-1.0-0 (1.10.1-4) to 1.12.1-1
libpeas-common (1.10.1-4) to 1.12.1-1
libpipeline1 (1.3.0-1) to 1.3.1-1
libprotobuf9 (2.6.0-3) to 2.6.0-4
libslang2 (2.2.4-17) to 2.3.0-1
libtinfo5 (5.9+20140712-2) to 5.9+20140913-1
libtotem-plparser18 (3.10.2-3) to 3.10.3-1
linux-compiler-gcc-4.8-x86 (3.14.15-2) to 3.16.3-2
linux-headers-amd64 (3.14+59) to 3.16+61
linux-image-amd64 (3.14+59) to 3.16+61
linux-libc-dev (3.14.15-2) to 3.16.3-2
ncurses-base (5.9+20140712-2) to 5.9+20140913-1
ncurses-bin (5.9+20140712-2) to 5.9+20140913-1
ncurses-term (5.9+20140712-2) to 5.9+20140913-1
sound-juicer (3.12.0-2) to 3.14.0-1
task-desktop (3.24) to 3.27
task-english (3.24) to 3.27
task-gnome-desktop (3.24) to 3.27
task-laptop (3.24) to 3.27
task-print-server (3.24) to 3.27
task-ssh-server (3.24) to 3.27
tasksel (3.24) to 3.27
tasksel-data (3.24) to 3.27
xserver-common (2:1.16.0.901-1) to 2:1.16.1-1
xserver-xephyr (2:1.16.0.901-1) to 2:1.16.1-1
xserver-xorg-core (2:1.16.0.901-1) to 2:1.16.1-1
On 21 October 2014 02:29, Julien Cristau <jcristau@debian.org> wrote:
> Control: severity -1 normal
> Control: tag -1 moreinfo
>
> On Mon, Oct 20, 2014 at 23:18:14 +1100, Takis Diakoumis wrote:
>
>> Package: xserver-xorg-core
>> Version: 2:1.16.1-1
>> Severity: grave
>>
>> Dear Maintainer,
>>
>> [ issues with reportbug #758619 prevented me from using it completely
>> to send this report so I generated using reportbug --template ]
>>
>> Since upgrading from 2.:1.16.0.901-1 to the above version I have been
>> unable to use a second screen attached to my laptop. During this
>> update, I also went from linux-image-amd64 (3.14+59) to 3.16+61 – not
>> sure if its relevant.
>>
> Actually this seems more likely to be a kernel issue than an X one.
>
>> I have Debian Jessie on a Thinkpad T440s.
>>
>> I normally boot with the second monitor attached and it boots fine
>> into gdm. Since the update, booting with the monitor attached blanks
>> the laptop screen (primary screen) as X starts. The second screen
>> works fine as a second screen – as in the primary display is off but
>> it behaves as if it is there. The only way out here is to ctrl-alt-f1
>> to a terminal and reboot.
>>
> Is the screen actually dead, or does it "just" reset the brightness to
> minimum? I.e. do the brightness keys or poking
> /sys/class/backlight/*/brightness work?
>
> Cheers,
> Julien
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