On Tue, Mar 06, 2018 at 01:56:42PM -0300, Fabio Estevam wrote: > On Tue, Mar 6, 2018 at 1:30 PM, Mark Brown <broonie@xxxxxxxxxx> wrote: > > - for (i = 0; rdev; rdev = rdev_get_supply(rdev), i++) > > + for (i = 1000; rdev; rdev = rdev_get_supply(rdev), i++) > > mutex_lock_nested(&rdev->mutex, i); > With this change the log is a bit different, but still get a kernel hang: > https://pastebin.com/eF08TnuT Yeah, that's what I expected. What we really need to figure out I think is what exactly is taking the lock that we end up colliding with, I don't seem to be able to reproduce so I'm having to just go on staring at the code here.
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