** Tags added: verification-done-noble

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https://bugs.launchpad.net/bugs/2081079

Title:
  [SRU] Ubuntu 24.04 - GPU cannot be installed with DL380a Gen12 (2P,
  SRF-SP)

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Noble:
  Fix Committed
Status in linux source package in Oracular:
  Fix Released

Bug description:
  [Impact]
  Description:
  Failed to install GPU with Ubuntu 24.04 on a DL380a Gen12 with Intel Sierra 
Forest 2P

  There is a random write to VF BAR0's memory region that causes the
  kernel got MCE error.

  Version-Release number :
  Ubuntu 24.04

  Additional info:

  We have tracked this issue with RHEL9.4, it's caused by the following
  pathes.

  cb4a6ccf3583 perf/x86/intel/uncore: Support Sierra Forest and Grand Ridge 
(v6.8-rc1)
  388d76175bd9 perf/x86/intel/uncore: Support IIO free-running counters on GNR 
(v6.8-rc1)
  632c4bf6d007 perf/x86/intel/uncore: Support Granite Rapids (v6.8-rc1)
  b560e0cd882b perf/x86/uncore: Use u64 to replace unsigned for the uncore 
offsets array (v6.8-rc1)
  cf35791476fc perf/x86/intel/uncore: Generic uncore_get_uncores and MMIO 
format of SPR (v6.8-rc1)

  [Test Plan]
  How reproducible:
  Each time

  Steps to reproduce
  - PCI segment, Intel VT-d and SR-IOV , all enabled in the BIOS
  - Run a fresh install on a DL380a server with 2P with GPU  in slot17

  Expected results
  No MCE and run installation w/o problem

  Actual results
  The kernel got MCE errors.

  
  [Fix]
  Intel gave us a patch set that resolves the issue.
  
https://lore.kernel.org/lkml/20240614134631.1092359-1-kan.li...@linux.intel.com/#r

  The following patches are required.

  f8a86a9bb5f7 perf/x86/intel/uncore: Support HBM and CXL PMON counters 
(v6.11-rc1)
  15a4bd51853b perf/x86/uncore: Cleanup unused unit structure (v6.11-rc1)
  f76a8420444b perf/x86/uncore: Apply the unit control RB tree to PCI uncore 
units (v6.11-rc1)
  b1d9ea2e1ca4 perf/x86/uncore: Apply the unit control RB tree to MSR uncore 
units (v6.11-rc1)
  80580dae65b9 perf/x86/uncore: Apply the unit control RB tree to MMIO uncore 
units (v6.11-rc1)
  585463fee642 perf/x86/uncore: Retrieve the unit ID from the unit control RB 
tree (v6.11-rc1)
  c74443d92f68 perf/x86/uncore: Support per PMU cpumask (v6.11-rc1)
  0007f3932592 perf/x86/uncore: Save the unit control address of all units 
(v6.11-rc1)

  [Where problems could occur]

  [Other Info]

  
https://code.launchpad.net/~mreed8855/ubuntu/+source/linux/+git/noble/+ref/lp_2081079_dl380a_gen12

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