On Wed, Mar 18, 2020 at 09:44:03PM +0200, Yorick Hardy wrote: > Dear Andrew, > > On 2020-03-14, Andrew Doran wrote: > > Module Name: src > > Committed By: ad > > Date: Sat Mar 14 13:50:46 UTC 2020 > > > > Modified Files: > > src/sys/arch/x86/acpi: acpi_cpu_md.c > > > > Log Message: > > Put ACPI idle under ACPICPU_ENABLE_C3 until the wrinkles are ironed out. > > This seems well written and basically all good, but currently doesn't enter > > a low power state, and imposes a big performance penalty. Proposed on > > port-i386 & port-amd64. > > > > > > To generate a diff of this commit: > > cvs rdiff -u -r1.81 -r1.82 src/sys/arch/x86/acpi/acpi_cpu_md.c > > > > Please note that diffs are not public domain; they are subject to the > > copyright notices on the relevant files. > > This change seems to cause my machine to hang while booting. Reverting > the change seems to fix the problem. Here are the details:
Same here, see kern/55080. Martin
