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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Phil Turmel <philip@turmel.org>
Cc: Boqun Feng <boqun.feng@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	"Peter Zijlstra (Intel)" <peterz@infradead.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: Bisected Regression 4.3.5 => 4.4.1 booting HP ZBook in EFI mode
Date: Fri, 5 Feb 2016 14:29:36 -0800	[thread overview]
Message-ID: <20160205222936.GA7139@kroah.com> (raw)
In-Reply-To: <56B518C4.8030007@turmel.org>

On Fri, Feb 05, 2016 at 04:48:52PM -0500, Phil Turmel wrote:
> Hello all,
> 
> I tried to get off of v4.3.x today by moving to v4.4.1.
> My laptop failed to boot -- stuck with the BIOS boot logo still
> showing.  I'm direct-booting a merged kernel & initramfs in
> EFI mode.
> 
> I bisected to badc688 "powerpc: Make {cmp}xchg* and their atomic_ versions fully ordered"
> which is upstream commit 81d7a329.
> 
> I'm stumped as to how that powerpc patch can affect my x86 laptop, an
> HP ZBook 17 w/ i7 processor & nouveau graphics, but it certainly
> does.  The bisect was stable and I confirmed by reverting it on
> top of the intended v4.4.1.

That's crazy, nothing should even be rebuilt if you revert that patch,
so I don't see how that could affect things here.

Can you verify that nothing does get rebuilt when you do this?

thanks,

greg k-h

  reply	other threads:[~2016-02-05 22:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-05 21:48 Bisected Regression 4.3.5 => 4.4.1 booting HP ZBook in EFI mode Phil Turmel
2016-02-05 22:29 ` Greg Kroah-Hartman [this message]
2016-02-05 23:41   ` Phil Turmel
2016-02-06  1:09     ` Greg Kroah-Hartman
2016-02-06  4:03       ` Phil Turmel

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