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charset="utf-7" Content-ID: <54378916F667384BAEA486F5C42A5B28@namprd04.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: c94aa316-a27f-4b95-cac9-08d5f8355c50 X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Aug 2018 05:04:00.7453 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR04MB0335 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2018-08-01 at 21:58 -0700, Guenter Roeck wrote: +AD4- I am running out of ideas. Any thoughts on how to track this down fur= ther ? Is a shell available when the hang occurs? If so, it would be helpful if yo= u could provide a dump of the information in /sys/kernel/debug/block. There i= s namely detailed information in that directory about pending commands. Bart.