** Changed in: hwe-next
Status: New => Fix Released
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-osp1 in Ubuntu.
https://bugs.launchpad.net/bugs/1852216
Title:
Disable unreliable HPET on CFL-H system
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem package in Ubuntu:
Fix Released
Status in linux-oem-osp1 package in Ubuntu:
Invalid
Status in linux source package in Bionic:
Fix Released
Status in linux-oem source package in Bionic:
Fix Released
Status in linux-oem-osp1 source package in Bionic:
Fix Released
Status in linux source package in Disco:
Fix Released
Status in linux-oem-osp1 source package in Disco:
Fix Released
Status in linux source package in Eoan:
Fix Released
Status in linux-oem-osp1 source package in Eoan:
Fix Released
Bug description:
[Impact]
TSC marked unstable by skewed HPET after Intel CFL-H SoC reached PC10
state.
[Fix]
Disable HPET on CFL-H SoC.
[Test]
I can confirm disabling HPET can workaround this issue.
[Regression Potential]
Low. TSC on recent Intel SoC is now an invariant clocksource, so it's
harmless to disable HPET on these platforms.
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