On Wed, 2023-07-19 at 15:04 +0000, Al Ma wrote: > Package: linux-image-6.1.0-10-amd64 > Version: 6.1.37-1 > In the journal of a laptop Lenovo ThinkPad T14s Gen1, connected to a docking > station ThinkPad Thunderbolt 3 Dock Gen 2/Workstation Dock Gen 2 Type 40 AN > (which is powered by a 135 W AC Adapter ADL135NCC3A) and to a monitor Philips > 275B1 via a HMDI cable, we discovered the following warning (last line is > yellow) generated at boot: [...]
> Jul 19 16:20:34 AnonymizedLenovoThinkPadT14s kernel: hpet_acpi_add: no > address or irqs in _CRS [...] This was also reported as appearing on Lenovo ThinkPad T14 gen 4 running Linux 6.10. I searched for the warning on lore.kernel.org and found that it also appeared on: - Dell XPS 13 9360/0596KF, Linux 6.9-6.11 - Intel NUC12WSHi7/NUC12WSBi7, Linux 6.11 - Lenovo IdeaPad 82MG, Linux 6.1 - Lenovo ThinkPad T480, Linux 6.10 - System76 Pangolin, Linux 6.11 Is this likely to be a bug in the driver, or in the firmware? If this is a common case where the HPET isn't available and has an incomplete description in the ACPI table, should the warning message be downgraded to info level? Ben. -- Ben Hutchings The two most common things in the universe are hydrogen and stupidity.
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