On Thu, Apr 29, 2021 at 01:24:06PM -0400, George Kennedy wrote: > > > On 4/28/2021 8:52 AM, George Kennedy wrote: > > > > > > On 4/28/2021 12:57 AM, Greg Kroah-Hartman wrote: > > > 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? > > Hello Greg, > > Can the same 2 patches also be applied to 4.14.y, which one of distros is > based on? > > 4.14.y crashes during ibft boot with KASAN enabled without the 2 patches. What about 4.19.y? You do not want to skip anything in the middle, right? And I need an ack from the authors and maintainers of these changes before I can take them into the stable trees. Any reason you didn't cc: them all? thanks, greg k-h