linux-kernel - Re: RCU bug with v3.17-rc3 ?

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Date:	Fri, 10 Oct 2014 08:57:43 -0500
From:	Felipe Balbi <balbi@...com>
To:	Felipe Balbi <balbi@...com>
CC:	Rabin Vincent <rabin@....in>, Johannes Weiner <hannes@...xchg.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Sasha Levin <sasha.levin@...cle.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Linux USB Mailing List <linux-usb@...r.kernel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	<josh@...htriplett.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Tony Lindgren <tony@...mide.com>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux ARM Kernel Mailing List 
	<linux-arm-kernel@...ts.infradead.org>,
	Rik van Riel <riel@...hat.com>
Subject: Re: RCU bug with v3.17-rc3 ?

On Thu, Oct 09, 2014 at 04:07:15PM -0500, Felipe Balbi wrote:
> Hi,
> 
> On Thu, Oct 09, 2014 at 03:46:37PM -0500, Felipe Balbi wrote:
> > On Thu, Oct 09, 2014 at 10:41:01PM +0200, Rabin Vincent wrote:
> > > On Thu, Oct 09, 2014 at 11:26:56AM -0500, Felipe Balbi wrote:
> > > > alright, it's pretty deterministic however. Always on the same test, no
> > > > matter which USB controller, no matter if backing store is RAM or MMC.
> > > > 
> > > > Those two undefined instructions on the disassembly caught my attention,
> > > > perhaps I'm facing a GCC bug ?
> > > 
> > > The undefined instructions are just ARM's BUG() implementation.
> > > 
> > > But did you see the question I asked you yesterday in your other thread?
> > > http://www.spinics.net/lists/arm-kernel/msg368634.html
> > 
> > hmm, completely missed that, sorry. I'm using 4.8.2, will try something
> > else.
> 
> seems to be working fine now, thanks. I'll leave test running overnight
> just in case.

yup, ran over night without any problems.

-- 
balbi

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