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apport-collect 1945632
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1945632
Title:
Re-enable DEBUG_INFO_BTF where it was dissabled
Status in linux package in Ubuntu:
Incomplete
Bug description:
[Impact]
* pahole used to segfault on 32-bit platforms, which has now been
fixed
* pahole used to be too old in focal, which is now being SRUed
* renable DEBUG_INFO_BTF in all the kernels/arches that had it
disabled, as otherwise one cannot compile/use advanced BTF features on
newer kernels.
[Test Plan]
* Check the built kernel's config that it has CONFIG_DEBUG_INFO_BTF=y
* Check build log that it contains
```
BTF .btf.vmlinux.bin.o
```
[Where problems could occur]
* In the future, kernel may require even newer version of pahole from
dwarves, making the builds fail to build again, as building BTF debug
information will now be required. Until either BTF is disabled again
or pahole is upgraded again.
[Other Info]
* Latest pahole is available from focal-proposed, hirsute-proposed, impish
release, builders-extra PPA
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