linux-kernel - Re: [BUG] uml panics with "Segfault with no mm" in v3.19-rc

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Message-ID: <2739506.ACK9B2Kt4q@wuerfel>
Date:	Wed, 10 Dec 2014 12:03:37 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Richard Weinberger <richard@....at>
Cc:	Miklos Szeredi <miklos@...redi.hu>,
	Ley Foon Tan <lftan@...era.com>,
	linux-kernel@...r.kernel.org, Daniel Walter <sahne@...0.at>,
	user-mode-linux-devel <user-mode-linux-devel@...ts.sourceforge.net>
Subject: Re: [BUG] uml panics with "Segfault with no mm" in v3.19-rc

On Wednesday 10 December 2014 11:49:23 Richard Weinberger wrote:
> Hi!
> 
> Am 10.12.2014 um 11:46 schrieb Miklos Szeredi:
> > The guilty commit is:
> > 
> >   00f634bc522d "asm-generic: add generic futex for !CONFIG_SMP"
> 
> Thanks a lot Miklos!
> Your bisecting faster than I do.
> 
> Let's dig into the issue!
> 

Did this happen on linux-next as well?

Does this happen only on non-SMP UML running on an SMP host, or also
in other combinations?

	Arnd
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