This bug is awaiting verification that the linux-azure/6.2.0-1013.13
kernel in -proposed solves the problem. Please test the kernel and
update this bug with the results. If the problem is solved, change the
tag 'verification-needed-lunar-linux-azure' to 'verification-done-lunar-
linux-azure'. If the problem still exists, change the tag 'verification-
needed-lunar-linux-azure' to 'verification-failed-lunar-linux-azure'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-lunar-linux-azure-v2 
verification-needed-lunar-linux-azure

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-6.1 in Ubuntu.
https://bugs.launchpad.net/bugs/2028749

Title:
  Make TTY switching possible for NVIDIA when it's boot VGA

Status in HWE Next:
  New
Status in OEM Priority Project:
  Fix Released
Status in linux package in Ubuntu:
  Incomplete
Status in linux-oem-6.1 package in Ubuntu:
  Invalid
Status in linux source package in Jammy:
  Won't Fix
Status in linux-oem-6.1 source package in Jammy:
  Fix Released
Status in linux source package in Lunar:
  Fix Committed
Status in linux-oem-6.1 source package in Lunar:
  Invalid

Bug description:
  [Impact]
  TTY switching is not possible on some workstations when iGPU is present and 
NVIDIA GFX is boot VGA. On that case, fbdev /dev/fb* is not created.

  [Fix]
  Find the correct boot VGA and remove overlapped aperture (BAR), so fbdev can 
be created properly.

  [Test]
  Once the fix gets applied, /dev/fb0 is present and TTY switching works.

  [Where problems could occur]
  The fix is a major overhaul over resource management on video apertures 
(BAR), so the boot VGA discovery might change and different aperture might be 
evicted.

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