commit upstream 8b23570ab001c1982c8a068cde468ff067255314 This commit ("ACPICA: Reference Counts: increase max to 0x4000 for large servers") fixes an issue that has been seen on large memory systems. The first release with the fix was 4.19. It's a low risk fix, and the value has been bumped in the past already. It should be fine on anything below 4.19, but I've only included 4.9 and 4.14 here, since the issue was actually observed on those versions. Thanks, Frank