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[Launchpad Bug Tracker <2083855@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package xserver-xorg-video-nouveau -
1:1.0.17-2ubuntu0.1

---------------
xserver-xorg-video-nouveau (1:1.0.17-2ubuntu0.1) noble; urgency=medium

  * d/p/nouveau-fixup-driver-for-new-macro-gating.patch:
    fix implicit declarations (LP: #2062144).
  * Rebuild to pick-up frame-pointer flags (LP: #2083855).

 -- Zixing Liu <zixing.liu@xxxxxxxxxxxxx>  Mon, 01 Jul 2024 13:52:21
-0600

** Changed in: xserver-xorg-video-nouveau (Ubuntu Noble)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/2083855

Title:
  [SRU] Please enable frame-pointer for xserver-xorg-video-nouveau on
  Noble

Status in xserver-xorg-video-nouveau package in Ubuntu:
  Fix Released
Status in xserver-xorg-video-nouveau source package in Noble:
  Fix Released
Status in xserver-xorg-video-nouveau source package in Oracular:
  Fix Released

Bug description:
  [Impact]

  In order to help developers with profiling, Ubuntu enabled frame-
  pointers for packages in the main archive.

  https://ubuntu.com/blog/ubuntu-performance-engineering-with-frame-
  pointers-by-default

  The `Affects` packages were missed due to the packaging issues. These
  have been fixed on Oracular and can now be ported to Noble.

  [Test Plan]

  Look at the DW_AT_producer in the associated debug ELF file for flags.
  -fno-omit-frame-pointer should be present after the fix.

  The following scripts can be used as a reference
  https://gist.github.com/julian-klode/85e55553f85c410a1b856a93dce77208
  https://gist.github.com/julian-klode/95818246eaef0ac6a54588f7f368e25c

  You can also check the build logs for build flags like `-fno-omit-
  frame-pointer`.

  [Where problems could occur]

  * A distribution-specific patch was applied to fix the build with security hardening flags enabled.
  * The packaging fixes have enabled other security hardening flags. This could have unintended effects.

  [Other Info]

  changes in dpkg have been made to make sure frame-pointers are not
  enabled on s390x and ppc64el.

  Bug reference with similar SRU -
  https://bugs.launchpad.net/ubuntu/+source/ipvsadm/+bug/2071949

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