Re: "cat /proc/lockdep" after "rmmod <some module>" when !debug_locks will crash the system

[Bart Van Assche]

On Mon, 2019-03-25 at 17:45 +-0800, shenghui wrote:
+AD4 I installed virtualbox-5.2.24 on my system (x86 32) and on bootup I got some warning:
+AD4 ---------------------
+AD4 1251 +AFs   42.640869+AF0 DEBUG+AF8-LOCKS+AF8-WARN+AF8-ON(+ACE-current-+AD4-hardirqs+AF8-enabled)
+AD4 1252 +AFs   42.640880+AF0 WARNING: CPU: 0 PID: 841 at kernel/locking/lockdep.c:4132 check+AF8-flags.part.45+-0x9e/0x190
+AD4 ...

Hi Shenghui,

That warning should have been followed by a call trace. Please share that
call trace.

Thanks,

Bart.