Re: [Bug #15202] lockdep warning during elevator_switch

Hugh Dickins
2010-03-22T03:24:46Z

On Sun, 21 Mar 2010, Rafael J. Wysocki wrote:
> The following bug entry is on the current list of known regressions
> introduced between 2.6.32 and 2.6.33. Please verify if it still should
> be listed and let the tracking team know (either way).
>
> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15202
> Subject : lockdep warning during elevator_switch
> Submitter : Hugh Dickins <hugh.dickins-IWqWACnzNjwqdlJmJB21zg@public.gmane.org>
> Date : 2010-01-31 23:55 (50 days old)
> References : http://marc.info/?l=linux-kernel&m=126498212613051&w=4

Yes, it is still a regression 2.6.33.1 (though fixed in 2.6.34-rc1:
my guess is that it will be left as a regression in 2.6.33-stable,
since it only happens when you have chosen CONFIG_PROVE_LOCKING=y).

Hugh