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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: =?us-ascii?Q?CAXqKkJzOQDZCGHHEhICjNgtGyE6SOi/pz6wUEJ0GFCuo5VfYUwR7O+KW9Vc?= =?us-ascii?Q?IOGnu6ZrPbwSAmHIqqKrAJYO7v5EaQgsl8a7P/jT9TY59eRe1zb1vf/qSo2I?= =?us-ascii?Q?1fY3ozfmmviP6/wQPyWORHlJhCAhd5C/VJ2q0fHqPoyap/PlB8qDURY1bYqT?= =?us-ascii?Q?cH2KhSsWPsFEE/RQNsQrdkDHHtGm6p9p/QxKJ3CIe4rQtIw9JQ26Gbk5AInI?= =?us-ascii?Q?bEV6TbAwvlFnp9VOeDj33u+N0mAPPXFqfD9uhs/ExfXy8EO01kIMWL7jXa0H?= =?us-ascii?Q?Fi3Lk+sSqapNCMgevqn8FYXk5U08BfS2gYP+xe8UzV1jZVTXBJBy4Ni5ozic?= =?us-ascii?Q?kKWhNZEA50PTArxGyo3iy7sf17wAnXepo24tW8/UVl8iakQN+6HMSqMAvcv+?= =?us-ascii?Q?+3ersbT8IZhC427o2KbJBjLUl6kJiyamrSLtzrPHRcjEpzU2jQAen2/OOF9Z?= =?us-ascii?Q?9QB3TBGEX8ZDWh6rTI/WjCl0uoRmbYI1HEcbMMuRmK4bkCbE1ZpuSRBy+OLg?= =?us-ascii?Q?hPXvVNfKTm+NhSnujqnrV+6agIxZeojtKQLa1z+AdD0b1K9lRXskUTGn3vsz?= =?us-ascii?Q?kd8soseP2I4sYBZWiH7P5fVUDoO40LcQqjC/+PdWky1Mrm338flj8UTw37jS?= =?us-ascii?Q?2b9UGhmwLzwN5S8d8fi4eEy1iTsTPATDrT3d3hL2FNLZoleQaPo00r9AYqt9?= =?us-ascii?Q?z/vbVHlk14oWtsFATkF1WeEysbr7CoqRY+fhrgt9TObdql07ZMgW+4HqWi1z?= =?us-ascii?Q?poT6HPmC+9kHnafmYBdSQX/lpWpLOOtj7JaZJOrbTxa3jTx1LZav8+FiseRR?= =?us-ascii?Q?J9p46V1w1crUM3xJPBFD4tVgX5eUZh86e3LF3Z7CjEPnqIfNBBiUwoYFsTi7?= =?us-ascii?Q?OpK4eEv/VwaQGohdXktF5Dxsk/3ewTOilLYFw13skII8l85nbXGmOHEKF5ZB?= =?us-ascii?Q?cS4H4flYdvLzGwEoOdQzvNO8kr4KnRXnNhJxyg9kv8E6cN3QQ0vuqTJtwjbk?= =?us-ascii?Q?m4LLOVh0l4OLFIiEMxNF8iMTlA=3D=3D?= X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM8PR04MB8037.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: c8d0ea0d-7b5d-4940-f9a6-08db1eec3c02 X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Mar 2023 09:13:37.0375 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: FfHXySKzoQ1S6hCcmWQ9V7ctMfU/YhR4pLGIBfXX93MCFjgnlRxJfBUiC9nknwzxpEoIkEAqgTrZ3/lBQyk3ceb0DOf91UX2SaCtuI5zLkM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR04MB6496 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Mar 07, 2023 / 16:57, Yu Kuai wrote: [...] > Thanks for the report, can you help to provide the result of add2line of > following? >=20 > bfq_setup_cooperator+0x120b/0x1650 > bfq_setup_cooperator+0xa41/0x1650 >=20 > That will help to locate the problem. Hi, Yu thanks for looking into this. Here are the faddr2line outputs: $ ./scripts/faddr2line vmlinux bfq_setup_cooperator+0x120b/0x1650 bfq_setup_cooperator+0x120b/0x1650: bfqq_process_refs at block/bfq-iosched.c:1200 (inlined by) bfq_setup_stable_merge at block/bfq-iosched.c:2855 (inlined by) bfq_setup_cooperator at block/bfq-iosched.c:2941 $ ./scripts/faddr2line vmlinux bfq_setup_cooperator+0xa41/0x1650 bfq_setup_cooperator+0xa41/0x1650: bfq_setup_cooperator at block/bfq-iosched.c:2939 --=20 Shin'ichiro Kawasaki=