This bug is awaiting verification that the linux-nvidia/6.8.0-1022.25
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-noble-linux-nvidia' to 'verification-done-
noble-linux-nvidia'. If the problem still exists, change the tag
'verification-needed-noble-linux-nvidia' to 'verification-failed-noble-
linux-nvidia'.


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-noble-linux-nvidia-v2 
verification-needed-noble-linux-nvidia

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Packages, which is subscribed to linux-nvidia in Ubuntu.
https://bugs.launchpad.net/bugs/2092141

Title:
  ETE tracing failure on multi-socket system

Status in linux-nvidia package in Ubuntu:
  Invalid
Status in linux-nvidia source package in Noble:
  Fix Committed

Bug description:
  We got the following error when running perf to trace ETE on multi-socket 
systems with more than 108 cpus.
  ./perf record -e cs_etm//u  ls
  failed to mmap with 12 (Cannot allocate memory)

  The above is per-process monitoring that initiates ETE tracing on all CPUs.
  System wide tracing with limited CPUs works, e.g.: perf record -e cs_etm//u 
-C 0-108

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