On 2020-09-05 07:19:10 [+0200], Mike Galbraith wrote: > Lappy, which does not use bridge, boots clean... but lock leakage > pretty darn quickly inspires lockdep to craps its drawers. > > [ 209.001111] BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! > [ 209.001113] turning off the locking correctness validator. > [ 209.001114] CPU: 2 PID: 3773 Comm: Socket Thread Tainted: G S I E 5.9.0.gc70672d-rt3-rt #8 > [ 209.001117] Hardware name: HP HP Spectre x360 Convertible/804F, BIOS F.47 11/22/2017 > [ 209.001118] Call Trace: > [ 209.001123] dump_stack+0x77/0x9b > [ 209.001129] validate_chain+0xf60/0x1230 I have no idea how to debug this based on this report. Can you narrow it down to something? Is Lappy new, got a new something or has a new config switch? I'm just curious if this something or something that was always there but remained undetected. (Your other report was about something that was previously always "broken".) Sebastian
