Just as another data point:
Dell R740 with Xeon Gold 6132 on xenial:
4.13.0-36-generic - FAIL
4.13.0-37-generic - FAIL
4.13.0-45-generic - PASS
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** Tags added: canonical-bootstack
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https://bugs.launchpad.net/bugs/1759787
Title:
Very inaccurate TSC clocksource with kernel 4.13 on selected CPUs
Status in linux
Using an HP ProLiant DL380 Gen10 (Intel Xeon Gold 5118 CPU @ 2.30GHz) I
tested the following kernels (on xenial):
4.13.0-37-generic - FAIL https://pastebin.canonical.com/p/RbTzC3jgjm/
4.13.0-39-generic - PASS
4.13.0-45-generic - PASS
4.15.0-29-generic - PASS
So it seems this was fixed in
I've also seen this issue with a Dell R740 server, Xeon Gold 6132 CPU @
2.60GHz, kernel 4.13.0-37-generic. Switching to hpet clocksource
mitigated it successfully.
Unfortunately I still haven't had the opportunity to test this on 4.15.
** Summary changed:
- Very inaccurate TSC clocksource on
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