[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 #12 from fangxun <xunx.fang at intel.com> ---
(In reply to comment #9)
> 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.

bug 70523 was reported for tracing this issue.

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