[Bug 2086104] Re: bpftrace is broken on Oracular

[Timo Aaltonen]

Hello Athos, or anyone else affected,

Accepted bpftrace into oracular-proposed. The package will build now and
be available at
https://launchpad.net/ubuntu/+source/bpftrace/0.21.2-1ubuntu1.1 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
oracular to verification-done-oracular. If it does not fix the bug for
you, please add a comment stating that, and change the tag to
verification-failed-oracular. In either case, without details of your
testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: bpftrace (Ubuntu Oracular)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-oracular

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https://bugs.launchpad.net/bugs/2086104

Title:
  bpftrace is broken on Oracular

Status in bpftrace package in Ubuntu:
  Fix Committed
Status in bpftrace source package in Oracular:
  Fix Committed

Bug description:
  [ Impact ]

  Running any arbitrary bpftrace commands in oracular, such as

  $ sudo bpftrace -l '*sleep*'

  fails with

  : CommandLine Error: Option 'debug-counter' registered more than once!
  LLVM ERROR: inconsistency in registered CommandLine options
  Aborted

  Making the package currently unusable there.

  [ Test Plan ]

  In an oracular fresh install, run

  $ sudo bpftrace -l '*sleep*'

  affected systems will output

  : CommandLine Error: Option 'debug-counter' registered more than once!
  LLVM ERROR: inconsistency in registered CommandLine options
  Aborted

  while a fixed system will show a list such as

  kfunc:vmlinux:__bpf_prog_array_free_sleepable_cb
  kfunc:vmlinux:__ia32_sys_clock_nanosleep
  kfunc:vmlinux:__ia32_sys_clock_nanosleep_time32
  kfunc:vmlinux:__ia32_sys_nanosleep
  ...

  Note that bpftrace is a seeded package so you will not need to install
  it to run the tests above.

  [ Where problems could occur ]

  The patch changes a CMakeLists.txt to *always* link against shared
  LLVM libraries (because that is what we want). If we saw problems, it
  would most likely be in the package build itself.

  [ Other Info ]

  This issue only affects oracular.

  Rationale for this patch explained on the bug report:
  https://github.com/bpftrace/bpftrace/issues/1855#issuecomment-2463034672

  [ Original bug report ]

  In oracular, with bpftrace version 0.21.2-1ubuntu1, when I run any
  arbitrary bpftrace command such as

  $ sudo bpftrace -l '*sleep*'

  I get the following error:

  : CommandLine Error: Option 'debug-counter' registered more than once!
  LLVM ERROR: inconsistency in registered CommandLine options
  Aborted

  Making the package currently unusable in oracular.

  Possibly related upstream bug:
  https://github.com/bpftrace/bpftrace/issues/1855

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