linux-kernel - Re: frequent lockups in 3.18rc4

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Message-ID: <547b8a45.6e608c0a.20f9.1002@mx.google.com>
Date:	Sun, 30 Nov 2014 19:21:05 -0200
From:	Dâniel Fraga <fragabr@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: frequent lockups in 3.18rc4

On Sun, 30 Nov 2014 12:45:31 -0800
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> Yours looks very different. Dave (and Sasha Levin) have reported
> rcy_preempt stalls too, but it's not clear it's the same issue.
> 
> In case yours is repeatable (you seem to say it is), can you try it
> without TREE_PREEMPT_RCU?

	Yes, but "menuconfig" doesn't allow me to disable it (it's
always checked). Newbie question: does TREE_PREEMPT_RCU depends on any
other option? Thanks.

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