[Bug 70334] [bisected]igt/module_reload causes system hang on queued branch

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70334

--- Comment #9 from Daniel Vetter <daniel at ffwll.ch> ---
Oh, there's a lockdep splat:

[  107.008146] ======================================================
[  107.008146] [ INFO: possible circular locking dependency detected ]
[  107.008147] 3.12.0-rc4_nightlytop_55d077_debug_20131011_+ #733 Not tainted
[  107.008148] -------------------------------------------------------

This is a separate bug from the hang (which follows later on). Can you please
file a new bug report for this issue? The above dmesg snippet is the important
thing (i.e. the "[ INFO: possible circular locking dependency detected ]" when
running module_reload). Also please check whether this is a regression (I don't
don't remember seeing this on my own debug kernel builds) and if so please try
to bisect where this has been introduced.

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