From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F3EEC433E0 for ; Fri, 22 May 2020 01:36:13 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4AB392078B for ; Fri, 22 May 2020 01:36:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="RPcH0/sM" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4AB392078B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=zeniv.linux.org.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=4i8U/FQw0lCUtazljjWkNzxptQR6Nvqvkj+r1oEbV4E=; b=RPcH0/sMwJTPVx ZNkhxT7fcGXf8kOkQwwNIHXbziDWDyKzJtSuLcX3X4uSzuf1XXFweexzDtfqajptkIS98OGqbRZZh dOq23mqpNUZvN8H9kQCi2dJukc10xZOpW0q694zarPjW/OwXkJR35VrUjNEJs8fOJawuC21D0jsO+ 8lQSR99qUQl+zBtVDivmIu1jK+8w+tnYjLf0p+SBcNwk9CAYuAH1p9ssW8Koc3Rfo2NmQHwzSqAUg oBbsiofqfDD/QeC9LeDNTuiRoVfbfkvPlHkTT6EIlfn6n8WpoTLsfuSyBMMgDoDoYpydNxsyx2kuO dITFzG+zccoVvNWrDI4Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jbwba-0001yL-8H; Fri, 22 May 2020 01:36:11 +0000 Received: from [2002:c35c:fd02::1] (helo=ZenIV.linux.org.uk) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jbwbR-0001nx-2f; Fri, 22 May 2020 01:36:02 +0000 Received: from viro by ZenIV.linux.org.uk with local (Exim 4.93 #3 (Red Hat Linux)) id 1jbwap-00DFUw-Lr; Fri, 22 May 2020 01:35:23 +0000 Date: Fri, 22 May 2020 02:35:23 +0100 From: Al Viro To: Guenter Roeck Subject: Re: [PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable pagefault/preempt twice Message-ID: <20200522013523.GO23230@ZenIV.linux.org.uk> References: <20200507150004.1423069-8-ira.weiny@intel.com> <20200518184843.3029640-1-ira.weiny@intel.com> <20200519165422.GA5838@roeck-us.net> <20200521172704.GF23230@ZenIV.linux.org.uk> <20200521224612.GJ23230@ZenIV.linux.org.uk> <20200522004618.GA3151350@ZenIV.linux.org.uk> <970857bd-bb56-7b2e-833e-ca74a82fa9b5@roeck-us.net> <20200522012950.GN23230@ZenIV.linux.org.uk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200522012950.GN23230@ZenIV.linux.org.uk> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200521_183601_142078_487A094D X-CRM114-Status: UNSURE ( 8.14 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org, "James E.J. Bottomley" , Max Filippov , Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, ira.weiny@intel.com, Dan Williams , Helge Deller , x86@kernel.org, linux-csky@vger.kernel.org, Christoph Hellwig , Ingo Molnar , linux-snps-arc@lists.infradead.org, linux-xtensa@linux-xtensa.org, Borislav Petkov , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Chris Zankel , Thomas Bogendoerfer , linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, Christian Koenig , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On Fri, May 22, 2020 at 02:29:50AM +0100, Al Viro wrote: > On Thu, May 21, 2020 at 06:11:08PM -0700, Guenter Roeck wrote: > > > Mainline, with: > > > > qemu-system-sparc -M SS-4 -kernel arch/sparc/boot/zImage -no-reboot \ > > -snapshot -drive file=rootfs.ext2,format=raw,if=scsi \ > > -append "panic=-1 slub_debug=FZPUA root=/dev/sda console=ttyS0" > > -nographic -monitor none > > > > The machine doesn't really matter, though. > > It does, unfortunately - try that with SS-10 and watch what happens ;-/ Ugh... It's actually something in -m handling: -m 256 passes, -m 512 leads to that panic. _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc