Hi tony, > base-commit: 3300447612b2adbc05cbb90e5d1cb288f19c40c6 $ git checkout 3300447612b2adbc05cbb90e5d1cb288f19c40c6 -b patch_test fatal: reference is not a tree: 3300447612b2adbc05cbb90e5d1cb288f19c40c6 Then I tried apply this patch series to kernel v6.5 and v6.6-rc1~7, but it failed with error message "Patch failed at 000x". Could you tell me what kernel version this patch series is based on? Best regards, Shaopeng TAN