On 25-08-25, 22:14, Wasim Nazir wrote: > Patch 2/7 is applied in linux-next (20250825) as commit > b5323835f050 (OPP: Reorganize _opp_table_find_key()) which is causing > regression on my board (lemans-evk (arm64)). > Reverting the change is resolving the issue. > > Kernel log: > Unable to handle kernel NULL pointer dereference at virtual address 0000000000000016 > ... > Call trace: > _read_bw+0x0/0x10 (P) > _find_key+0xb8/0x194 > dev_pm_opp_find_bw_floor+0x54/0x8c > bwmon_intr_thread+0x84/0x284 [icc_bwmon] > irq_thread_fn+0x2c/0xa8 > irq_thread+0x174/0x334 > kthread+0x134/0x208 > ret_from_fork+0x10/0x20 Hmm, this happened because it is possible for the `opp` to be invalid (error) even if `_compare_floor()` returned true, if the target key is lower than the lowest freq of the table. Dropped the patch for now anyway. -- viresh
