Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934967AbbLRJRK (ORCPT ); Fri, 18 Dec 2015 04:17:10 -0500 Received: from mga01.intel.com ([192.55.52.88]:60933 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935098AbbLRJPE (ORCPT ); Fri, 18 Dec 2015 04:15:04 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,445,1444719600"; d="scan'208";a="843873804" Subject: Re: Problems with x86/x86_64 qemu tests in linux-next due to 'Enhance __assign_irq_vector() to rollback ...' To: Guenter Roeck , "linux-kernel@vger.kernel.org" References: <56734C4C.2050202@roeck-us.net> Cc: "linux-next@vger.kernel.org" , Thomas Gleixner , Joe Lawrence From: Jiang Liu Organization: Intel Message-ID: <5673CE81.1030502@linux.intel.com> Date: Fri, 18 Dec 2015 17:14:41 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <56734C4C.2050202@roeck-us.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3484 Lines: 74 On 2015/12/18 7:59, Guenter Roeck wrote: > Hi folks, > > several of my qemu tests of linux-next started failing a couple of days > ago. > Logs are available at http://server.roeck-us.net:8010/builders, in the > 'next' column. > > Bisect points to 'x86/irq: Enhance __assign_irq_vector() to rollback in > case of failure'. > Bisect log is attached below. Reverting this patch as well as the > subsequent patches > in arch/x86/kernel/apic/vector.c fixes the problem. Hi Guenter, Thanks for reporting this issue. We have already had a fix for it, and will send the new patch out once it passes function tests. Thanks, Gerry > > Guenter > > --- > # bad: [57036847fee7aa782ea834af770426517f1efc96] Add linux-next > specific files for 20151216 > # good: [9f9499ae8e6415cefc4fe0a96ad0e27864353c89] Linux 4.4-rc5 > git bisect start 'HEAD' 'v4.4-rc5' > # good: [cd61a37515d48ce6603e681f18f0ae59025c733a] Merge remote-tracking > branch 'crypto/master' > git bisect good cd61a37515d48ce6603e681f18f0ae59025c733a > # bad: [e12cc3355bf7fc7fdca05d12ae1aa53a2561af84] Merge remote-tracking > branch 'irqchip/irqchip/for-next' > git bisect bad e12cc3355bf7fc7fdca05d12ae1aa53a2561af84 > # good: [2e27153f14236cc20bf1cad16da202b5a8fb6189] Merge remote-tracking > branch 'sound-asoc/for-next' > git bisect good 2e27153f14236cc20bf1cad16da202b5a8fb6189 > # good: [95ecee8d876ddabcbe32fc48ec8c7272d1738645] Merge remote-tracking > branch 'mailbox/mailbox-for-next' > git bisect good 95ecee8d876ddabcbe32fc48ec8c7272d1738645 > # good: [05a927fb715bd97ce3baed157b157c16a3216f55] Merge branch > 'timers/core' > git bisect good 05a927fb715bd97ce3baed157b157c16a3216f55 > # bad: [acae1b21abdc2b1a0a8809d4263b7b06c380c065] Merge remote-tracking > branch 'tip/auto-latest' > git bisect bad acae1b21abdc2b1a0a8809d4263b7b06c380c065 > # bad: [f45b7ee9ed0632acc1c7404a1e8f47a40146a07e] Merge branch 'x86/fpu' > git bisect bad f45b7ee9ed0632acc1c7404a1e8f47a40146a07e > # bad: [41c19d8bf8540c9016563b649b2034d1804ca0af] Merge branch 'x86/asm' > git bisect bad 41c19d8bf8540c9016563b649b2034d1804ca0af > # bad: [ba207f77e6e5642ad7c3dc7f2217c590cf1352cb] Merge branch > 'x86/urgent' into x86/apic > git bisect bad ba207f77e6e5642ad7c3dc7f2217c590cf1352cb > # good: [c61a0d31ba0ce75cb1b88bb4eb2f41a1b80bc90f] x86/apic: Wire up > single IPI for apic_numachip > git bisect good c61a0d31ba0ce75cb1b88bb4eb2f41a1b80bc90f > # good: [2fde46b79e2fdbc90d0d97cf992782732b5a371c] x86/smpboot: > Re-enable init_udelay=0 by default on modern CPUs > git bisect good 2fde46b79e2fdbc90d0d97cf992782732b5a371c > # bad: [21a1b3bf35018b446c943c15f0a6225e6f6497ae] x86/irq: Fix a race > window in x86_vector_free_irqs() > git bisect bad 21a1b3bf35018b446c943c15f0a6225e6f6497ae > # bad: [4c24cee6b2aeaee3dab896f76fef4fe79d9e4183] x86/irq: Enhance > __assign_irq_vector() to rollback in case of failure > git bisect bad 4c24cee6b2aeaee3dab896f76fef4fe79d9e4183 > # good: [6dd7cb991fcbfef55d8bf3d22b8a87f9d5007e20] x86/irq: Do not reuse > struct apic_chip_data.old_domain as temporary buffer > git bisect good 6dd7cb991fcbfef55d8bf3d22b8a87f9d5007e20 > # first bad commit: [4c24cee6b2aeaee3dab896f76fef4fe79d9e4183] x86/irq: > Enhance __assign_irq_vector() to rollback in case of failure -- 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/