Re: [Bug #16537] TREE_RCU hangs at boot

Paul E. McKenney
2010-09-20T18:26:27Z

On Sun, Sep 12, 2010 at 09:08:42PM +0200, Rafael J. Wysocki wrote:
> This message has been generated automatically as a part of a report
> of regressions introduced between 2.6.34 and 2.6.35.
>
> The following bug entry is on the current list of known regressions
> introduced between 2.6.34 and 2.6.35. 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=16537
> Subject : TREE_RCU hangs at boot
> Submitter : Rolf Eike Beer <eike-kernel-F+mm6HnICJmzQB+pC5nmwQ@public.gmane.org>
> Date : 2010-08-07 12:18 (37 days old)
> Handled-By : Paul E. McKenney <paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>

I cannot reproduce this. The function that is claimed to hang contains
only printk()s. I have asked the guys who can actually reproduce it
to try a later kernel, and will let you know how this goes.

If you cannot trust printk(), who can you trust? ;-)

Thanx, Paul