Comment 5 for bug 1882478

Revision history for this message
Matthew Ruffell (mruffell) wrote :

I asked the customer to test 4.15.0-114-generic on Xenial HWE from -proposed on their HP DL360 Gen10 machines with the Intel Xeon Gold 5120 CPU. The machine has Sub-NUMA Clustering enabled and it is active.

The machine boots successfully, and there are no call traces or kernel oops present:

# uname -rv
4.15.0-114-generic #115~16.04.1-Ubuntu SMP Wed Aug 12 09:20:32 UTC 2020

[Tue Aug 25 16:42:20 2020] x86: Booting SMP configuration:
[Tue Aug 25 16:42:20 2020] .... node #0, CPUs: #1 #2 #3 #4 #5 #6
[Tue Aug 25 16:42:20 2020] .... node #1, CPUs: #7 #8 #9 #10 #11 #12 #13
[Tue Aug 25 16:42:20 2020] .... node #0, CPUs: #14
[Tue Aug 25 16:42:20 2020] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details.
[Tue Aug 25 16:42:20 2020] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details.
[Tue Aug 25 16:42:20 2020] #15 #16 #17 #18 #19 #20
[Tue Aug 25 16:42:20 2020] .... node #1, CPUs: #21 #22 #23 #24 #25 #26 #27
[Tue Aug 25 16:42:20 2020] smp: Brought up 2 nodes, 28 CPUs
[Tue Aug 25 16:42:20 2020] smpboot: Max logical packages: 1
[Tue Aug 25 16:42:20 2020] smpboot: Total of 28 processors activated (123200.00 BogoMIPS)

This issue is fixed and I am happy to mark this bug verified.