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Bug#849046: marked as done (spurious "second monitor, eDP-1" ruins X windows)

Your message dated Sat, 15 May 2021 04:43:57 -0700 (PDT)
with message-id <609fb3fd.1c69fb81.683f3.bb2b@mx.google.com>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #849046,
regarding spurious "second monitor, eDP-1" ruins X windows
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
849046: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=849046
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-4.9.0-rc8-amd64

User only has one monitor, DP-1.
Kernel makes a copy of it: eDP-1, and "places it to the side", making X
windows unusable.

Just as in this 2011 bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/773734
"By default eDP1 is virtually positioned on the side of ..., extending
the screen estate, except that all things put there can't be seen
anywhere."

$ xrandr --verbose
Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 8192 x 8192
eDP-1 connected primary 1920x1080+0+0 (0x46) normal (normal left inverted right x axis y axis) 477mm x 268mm panning 1920x1080+0+0
	Panning:    1920x1080+0+0
DP-1 connected 1920x1080+1920+0 (0x46) normal (normal left inverted right x axis y axis) 477mm x 268mm ...

Fix: GRUB_CMDLINE_LINUX add: video=eDP-1:d and reboot

$ xrandr --verbose
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
DP-1 connected 1920x1080+0+0 (0x46) normal (normal left inverted right x axis y axis) 477mm x 268mm...

Hardware affected:
     *-pci
          description: Host bridge
          product: Skylake Host Bridge/DRAM Registers
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 07
          width: 32 bits
          clock: 33MHz
        *-display
             description: VGA compatible controller
             product: HD Graphics 530
             vendor: Intel Corporation
             physical id: 2
             bus info: pci@0000:00:02.0
             version: 06
             width: 64 bits
             clock: 33MHz
             capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
             configuration: driver=i915 latency=0
             resources: irq:128 memory:f6000000-f6ffffff memory:e0000000-efffffff ioport:f000(size=64) memory:c0000-dffff

--- End Message ---
--- Begin Message --- 
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---
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