[Qemu-devel] [Bug 1819908] Re: slight screen corruption when maximizing window

[Andreas Hasenack]

Here, with the maximized window, I typed several commands again: lsmod,
clear, clear. If you look carefully, you can see the clear at the
bottom, then at the top again, and nothing changes. All I can see are
the characters I type, but not the command's output or effect. The
screen doesn't clear, and the list of modules produced by "lsmod"
doesn't appear.

** Attachment added: "maximized-clear-command-lsmod-command.png"
   
https://bugs.launchpad.net/qemu/+bug/1819908/+attachment/5245847/+files/maximized-clear-command-lsmod-command.png

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https://bugs.launchpad.net/bugs/1819908

Title:
  slight screen corruption when maximizing window

Status in QEMU:
  New

Bug description:
  Host: Ubuntu disco
  qemu-kvm: 1:3.1+dfsg-2ubuntu2
  libvirt: 5.0.0-1ubuntu2

  Guest: ubuntu bionic
  guest is using cirrus video, with the extra modules kernel package installed 
and the cirrus kernel module loaded. I also tried QXL, but got the same problem.

  A non-maximized terminal window works just fine. As an example, I run
  "lsmod". It fills the screen, which then scrolls a bit.

  The moment I maximize that window, though, the rendering breaks. I can
  see the commands I type, but not their output. See attached video.

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