On Tue, Apr 27, 2021 at 06:18:05PM -0400, George Kennedy wrote: > CC+ stable@xxxxxxxxxxxxxxx > > On 4/27/2021 6:17 PM, George Kennedy wrote: > > Hello Greg, > > > > We need the following 2 upstream commits applied to 5.4.y to fix an iBFT > > boot failure: > > > > 2021-03-29 rafael.j.wysocki@xxxxxxxxx - 1a1c130a 2021-03-23 Rafael J. > > Wysocki ACPI: tables: x86: Reserve memory occupied by ACPI tables > > 2021-04-13 rafael.j.wysocki@xxxxxxxxx - 6998a88 2021-04-13 Rafael J. > > Wysocki ACPI: x86: Call acpi_boot_table_init() after > > acpi_table_upgrade() > > > > Currently, only the first commit (1a1c130a) is destined for 5.10 & 5.11. > > > > The 2nd commit (6998a88) is needed as well and both commits are needed > > in 5.4.y. Is this a regression (i.e. did this hardware work on older kernels?), and if so, what commit caused the problem? These commits are already in 5.10.y, what changed in older kernels to require this to be backported? thanks, greg k-h
