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SubjectRe: v5.9-rc3-rt3 boot time networking lockdep splat
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

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