linux-kernel - Re: [PATCH RT 05/12] slab: Prevent local lock deadlock

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Date:	Mon, 30 Jul 2012 22:32:15 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	frank.rowand@...sony.com
Cc:	"Rowand, Frank" <Frank_Rowand@...yusa.com>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"chris.pringle@...anda.com" <chris.pringle@...anda.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-rt-users <linux-rt-users@...r.kernel.org>,
	Carsten Emde <C.Emde@...dl.org>, John Kacur <jkacur@...hat.com>
Subject: Re: [PATCH RT 05/12] slab: Prevent local lock deadlock

On Mon, 2012-07-30 at 19:22 -0700, Frank Rowand wrote:
> On 07/30/12 18:22, Steven Rostedt wrote:
> > On Thu, 2012-07-26 at 17:15 -0700, Frank Rowand wrote:
> > 
> >>
> >> Config is from arch/arm/configs/omap2plus_defconfig
> >> plus:
> >>
> >>    CONFIG_USB_EHCI_HCD=y
> >>    CONFIG_USB_NET_SMSC95XX=y
> >>    CONFIG_PREEMPT_RT_FULL=y
> >>
> > 
> > Interesting, I just booted my panda board against 3.0.36-rt58 with that
> > config and these three set, and I didn't get this error.
> 
> I don't know if it makes any difference, but my root fs is nfs mounted.
> 
> I'll try to look at this some more tomorrow.
> 

Yeah, my root fs is on the sdcard. Did you get this bug every time or
was it sporadic?

-- Steve


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