From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752081AbdFNKN7 (ORCPT ); Wed, 14 Jun 2017 06:13:59 -0400 Received: from bh-25.webhostbox.net ([208.91.199.152]:56873 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751726AbdFNKN5 (ORCPT ); Wed, 14 Jun 2017 06:13:57 -0400 To: Pavel Tatashin Cc: "linux-kernel@vger.kernel.org" , Bob Picco , Steven Sistare , "David S. Miller" From: Guenter Roeck Subject: qemu sparc64 runtime crashes in -next Message-ID: <157ed65a-b676-960c-5293-5964b7110f90@roeck-us.net> Date: Wed, 14 Jun 2017 03:13:54 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: authenticated_id: linux@roeck-us.net X-Authenticated-Sender: bh-25.webhostbox.net: linux@roeck-us.net X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, my sparc qemu tests started failing with next-20170613. Log output is not very helpful: Unhandled Exception 0x0000000000000028 PC = 0x00000000004620f4 NPC = 0x00000000004620f8 Stopping execution It looks like 0x00000000004620f4 is in init_tick_ops(). Bisect points to commit 'sparc64: improve modularity tick options'. Bisect log is attached. No idea if this is a qemu problem. If you think it is, anything to help tracking it down would be appreciated. Thanks, Guenter --- # bad: [b14746170b0684005bab3e07893e6b91baf7dbf6] Add linux-next specific files for 20170614 # good: [32c1431eea4881a6b17bd7c639315010aeefa452] Linux 4.12-rc5 git bisect start 'HEAD' 'v4.12-rc5' # bad: [0500b956eedb4686b0420308ae01a74b00f9ab64] Merge remote-tracking branch 'crypto/master' git bisect bad 0500b956eedb4686b0420308ae01a74b00f9ab64 # bad: [411b0d31eb697ad647513baf4d109bfec102d88d] Merge remote-tracking branch 'jc_docs/docs-next' git bisect bad 411b0d31eb697ad647513baf4d109bfec102d88d # good: [17ea634b46f1ed3e6e7910ed9de81bdc27c472a1] Merge remote-tracking branch 'sunxi/sunxi/for-next' git bisect good 17ea634b46f1ed3e6e7910ed9de81bdc27c472a1 # bad: [2a0cc43ce1f9d76cf438855fd0e526cdb277a5a9] Merge remote-tracking branch 'btrfs-kdave/for-next' git bisect bad 2a0cc43ce1f9d76cf438855fd0e526cdb277a5a9 # good: [09c98ed29a43211c59b986ac6190695aaacfa220] Merge remote-tracking branch 'powerpc/next' git bisect good 09c98ed29a43211c59b986ac6190695aaacfa220 # good: [34e4c9c048aa3ed9b13f357bc15ad4870fc6f2ae] Merge branch 'ext/syue/dir-item-checks-wip' into for-next-next-v4.13-20170605 git bisect good 34e4c9c048aa3ed9b13f357bc15ad4870fc6f2ae # good: [bb3cc9791ff3a10bb214585cbe9a6d8713e1ba7d] Merge remote-tracking branch 's390/features' git bisect good bb3cc9791ff3a10bb214585cbe9a6d8713e1ba7d # bad: [169ca4894ea4b491d95d9cfe7350eceb08f72243] Merge remote-tracking branch 'tile/master' git bisect bad 169ca4894ea4b491d95d9cfe7350eceb08f72243 # good: [0abdfaf4a95435c0197603a262149019ca2f448d] Merge branch 'sparc64-LDC-changes-for-porting-VCC-driver-into-upstream-kernel' git bisect good 0abdfaf4a95435c0197603a262149019ca2f448d # bad: [4929c83a6ce6584cb64381bf1407c487f67d588a] sparc64: add hot-patched and inlined get_tick() git bisect bad 4929c83a6ce6584cb64381bf1407c487f67d588a # good: [b5dd4d807f0fe7da67c5cc67b2ec681b60e4994b] sparc64: show time stamps from zero git bisect good b5dd4d807f0fe7da67c5cc67b2ec681b60e4994b # bad: [89108c3423e8047cd0da73182ea09b9da190b57e] sparc64: improve modularity tick options git bisect bad 89108c3423e8047cd0da73182ea09b9da190b57e # good: [178bf2b9a20e866677bbca5cb521b09a8498c1d7] sparc64: optimize loads in clock_sched() git bisect good 178bf2b9a20e866677bbca5cb521b09a8498c1d7 # first bad commit: [89108c3423e8047cd0da73182ea09b9da190b57e] sparc64: improve modularity tick options