From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f197.google.com (mail-pf0-f197.google.com [209.85.192.197]) by kanga.kvack.org (Postfix) with ESMTP id DF2DA6B0038 for ; Wed, 17 Aug 2016 15:18:10 -0400 (EDT) Received: by mail-pf0-f197.google.com with SMTP id 63so246127532pfx.0 for ; Wed, 17 Aug 2016 12:18:10 -0700 (PDT) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id xq3si494451pac.194.2016.08.17.12.18.09 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 17 Aug 2016 12:18:10 -0700 (PDT) Date: Wed, 17 Aug 2016 12:18:08 -0700 From: Andrew Morton Subject: Re: [lkp] [mm] 122708b1b9: PANIC: early exception Message-Id: <20160817121808.bf31e27382554bf532368c38@linux-foundation.org> In-Reply-To: <20160817161028.GE20762@e104818-lin.cambridge.arm.com> References: <1471360856-16916-1-git-send-email-catalin.marinas@arm.com> <20160817155141.GC3544@yexl-desktop> <20160817161028.GE20762@e104818-lin.cambridge.arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Catalin Marinas Cc: kernel test robot , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Vignesh R , lkp@01.org On Wed, 17 Aug 2016 17:10:28 +0100 Catalin Marinas wrote: > On Wed, Aug 17, 2016 at 11:51:41PM +0800, kernel test robot wrote: > > FYI, we noticed the following commit: > > > > https://github.com/0day-ci/linux Catalin-Marinas/mm-kmemleak-Avoid-using-__va-on-addresses-that-don-t-have-a-lowmem-mapping/20160816-232733 > > commit 122708b1b91eb3d253baf86a263ead0f1f5cac78 ("mm: kmemleak: Avoid using __va() on addresses that don't have a lowmem mapping") > > > > in testcase: boot > > > > on test machine: 1 threads qemu-system-i386 -enable-kvm with 320M memory > > > > caused below changes: > > > > +--------------------------------+------------+------------+ > > | | 304bec1b1d | 122708b1b9 | > > +--------------------------------+------------+------------+ > > | boot_successes | 3 | 0 | > > | boot_failures | 5 | 8 | > > | invoked_oom-killer:gfp_mask=0x | 1 | | > > | Mem-Info | 1 | | > > | BUG:kernel_test_crashed | 4 | | > > | PANIC:early_exception | 0 | 8 | > > | EIP_is_at__phys_addr | 0 | 8 | > > | BUG:kernel_hang_in_boot_stage | 0 | 2 | > > | BUG:kernel_boot_hang | 0 | 6 | > > +--------------------------------+------------+------------+ > > Please disregard this patch. I posted v2 here: > > http://lkml.kernel.org/g/1471426130-21330-1-git-send-email-catalin.marinas@arm.com > > (and I'm eager to see the kbuild/kernel test robot results ;)) I don't see how the v1->v2 changes could fix a panic? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org