Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755373AbaLJLDy (ORCPT ); Wed, 10 Dec 2014 06:03:54 -0500 Received: from mout.kundenserver.de ([212.227.17.10]:64424 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751278AbaLJLDx (ORCPT ); Wed, 10 Dec 2014 06:03:53 -0500 From: Arnd Bergmann To: Richard Weinberger Cc: Miklos Szeredi , Ley Foon Tan , linux-kernel@vger.kernel.org, Daniel Walter , user-mode-linux-devel Subject: Re: [BUG] uml panics with "Segfault with no mm" in v3.19-rc Date: Wed, 10 Dec 2014 12:03:37 +0100 Message-ID: <2739506.ACK9B2Kt4q@wuerfel> User-Agent: KMail/4.11.5 (Linux/3.16.0-10-generic; KDE/4.11.5; x86_64; ; ) In-Reply-To: <54882533.6080901@nod.at> References: <20141210104624.GB32280@tucsk.suse.de> <54882533.6080901@nod.at> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:AfkwITXGMao/FR8aKmPGmKTFvK6kse282jwrXdvbGZ/3MsCE+Bo GhZCpO8Vh3Xo5m5eWUTz+OKrNLCsN1AIGYfnbDa5NAmTn5Go+HVqiPiL2puRF1EbyJf/XxF 6UpYfNavb7tCARo+nO/3GpOeWQ8eeZwv8LPEprdXv03WLeFh1Ws76iO1ZkjwvAyK//2MJ48 tUAWViUodHL4DRSbtvPlw== X-UI-Out-Filterresults: notjunk:1; Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/