Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Trond Myklebust <trondmy@hammerspace.com>
To:     "pmenzel@molgen.mpg.de" <pmenzel@molgen.mpg.de>
CC:     "anna@kernel.org" <anna@kernel.org>,
        "linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>,
        "stable@vger.kernel.org" <stable@vger.kernel.org>,
        "it+linux-nfs@molgen.mpg.de" <it+linux-nfs@molgen.mpg.de>
Subject: Re: nfs_scan_commit: BUG: unable to handle page fault for address:
 000000001d473c07
Thread-Topic: nfs_scan_commit: BUG: unable to handle page fault for address:
 000000001d473c07
Thread-Index: AQHYza8+rATIqE0GwkKoZzSgv0cdA63p1EyAgAGBNQCAACH3AA==
Date:   Thu, 22 Sep 2022 13:44:23 +0000
Message-ID: <ef08bf84da796db2a85549d882d655a370deb835.camel@hammerspace.com>
References: <c5d8485b-0dbc-5192-4dc6-10ef2b86b520@molgen.mpg.de>
         <e845f65cb78d31aa1982da4bc752ee2e5191f10f.camel@hammerspace.com>
         <ae96779e-e3a7-b4b5-78fc-e5b53d456ece@molgen.mpg.de>
In-Reply-To: <ae96779e-e3a7-b4b5-78fc-e5b53d456ece@molgen.mpg.de>
Accept-Language: en-US, en-GB
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?SnlLOGlyN2kweFo4YjUwUlEzRXN5RHkvZ1ByQ2NyNzhoMkJzU2ZtZXoxVjU4?=
 =?utf-8?B?Qnk4WjEvcml4eTh1WDlPYy9hclo1K0xXRnNsYitxTmVXdmR6aXNndWFmUEhu?=
 =?utf-8?B?K2N1MGhqb2N5cWxhQzhhVXNVWTNCMW80UVE3UEJJUFRUYUlpbWNtOU01VDNL?=
 =?utf-8?B?UTBCdHpTZkNRZ3lRZElVUjIwK2FQTEI1dXlDditsV2ZKcm9vY3IvQ3l5RUcr?=
 =?utf-8?B?TXFUNjRXbGxpNjRDYkRHTmI3UEdoNitiZnFKZy9HT0tBVVArYjA3RFVQU2FV?=
 =?utf-8?B?T0hSVDQ5M1JyNVZ0TC9KZFBmczg4TG10U2NoWkV2YTk2Unhnc0dWUk9oeUlX?=
 =?utf-8?B?SU9nYUJvajA3OEhCNzhwRWFCTDNCVVRvWmEvTG92WVdVTkt3cXNRM001Y3JT?=
 =?utf-8?B?Y1QxTmhhc1drVnBjckhES2lmUGhKblpsVU00clZqZHI1djl0MUFqdWM1UDJT?=
 =?utf-8?B?R041ajhnd2tuWFZJcEozeitxbmVIdTZRS3Q2Ni9oaVN6SzhaTVc4TW5nYVpX?=
 =?utf-8?B?YTd2TWdadGx2UitRVGpWSmQyeU8xNWlPbUNPVUQ1MHErQ2lhOFZGY0FkOGov?=
 =?utf-8?B?YklwNDFKV0VLcGFjTEN4bVVMdHZzMnExUEEwVTRnbGhFK3J2VnQ5eFZXekta?=
 =?utf-8?B?bzEwYWNSeFdYa0xXYlVaaG13R1VxTmxHak93OHFhQUY3dDU5R1U2QWJoM0FG?=
 =?utf-8?B?K1hBZk9lTURuc0VBdEw5eGYwWVNTekR1M0VaVW9ES0VrcThSZElUNHYrcWZD?=
 =?utf-8?B?eU9ENE95MXpWS2Q2ZlpWTm5hZmY4aXBrdk50TUF2b2I5dHVxbzBCZVpudUFa?=
 =?utf-8?B?OTJBYytmazBQMHExK0o2eFNDWjBic2NyM0xXMEcvd1dJdGRNYlRFL1k2ZVdC?=
 =?utf-8?B?NVNJeUdJMUNOWVFTblFyWDRrOHBLUkM5WmNlN05RMTFRUTZncE1JUWF4dktI?=
 =?utf-8?B?aGtzcDNueVdQeDA1LzBvNVVEOHp1ZHRPNVBrVXNZdUdORDdNWU9rN3JTekky?=
 =?utf-8?B?YXRrT0dHQ3JUcGhtaUJUOVpnaGxvRWowYjJnSU9ORytyYk9zYUFWVEszTXNR?=
 =?utf-8?B?QWJJbmcrN1JwejlHNmdJT2gxNUE3d2N3dEQweFVYZTI2c2d1dTFKTmZRbUht?=
 =?utf-8?B?UTdFcFdCMzFrRHlYUTBCcmJpcWdxaDVocW0zMGtEalBUOFh0NC9rQ3QyVWY4?=
 =?utf-8?B?RnNIekhxMEd6OW90ME9WWk5wVkRRUGVzck5UM1JwRkEwYisyZUlQWE9CbXpU?=
 =?utf-8?B?UHlVMGw1WjlJU0lsbmVDNklYbklIelBwbjF1U2cxZWJYVVJOaXNOMkdLcGxU?=
 =?utf-8?B?bVJPQXBMaG1PaDZTanA4SUprbks5MjlSVWEvKzFRYk05T1htTHBKb0xSSGtj?=
 =?utf-8?B?UXdOWmFncFk4U0xBdklxVXVxMk52K0ZqWjFlL001Rm5GQVZTcjc2eGpoSDhX?=
 =?utf-8?B?NWxSeDVhT21ZSTRibGIvUTVzeEJxSHRaaWdIbnB6T0dxWHpzZEphd2ROWHlQ?=
 =?utf-8?B?OTU0bkdHQmF4NnZOTEYvM1A2TTQyTERjdGVUczJ0S0c0SlZNd042ZElhMHJt?=
 =?utf-8?B?VmZ4cTR4ZmdmOHZOalphRW85TDNKWDBvUGlNcWNJdUtBR1QvN0JvQjlNWWJq?=
 =?utf-8?B?VFpwUnBLcEdqRTF4Z212RmZKY2g1OEVPSVNvYWVvZEU4SURWUVlBVnBjQm91?=
 =?utf-8?B?dHRDTU5iMGFUaGJDNjdEOHJUdFRCeTFhcEkwVGFPYk8wOUdNZmFKVGt1cVZx?=
 =?utf-8?B?eHNXNGg0MEhpblp0UlJVNnYzVGg0RGdyOUtER0lFNEx4M09IWlJMK3pIbTEy?=
 =?utf-8?B?bEQ1MFBobjZHTFVyNHFGUU96UWRyTFVyM3M5bHoyZXFIaWNXVVh3U2phL1cr?=
 =?utf-8?B?VFV1SHZHbmlNM2tKMndldkVFcUFUdFc2dmhhOERqVXpxM1hRRHBiU3dzbmVq?=
 =?utf-8?B?dnlWaDVLbnZjQUNicU8zQlFINU5qRkFqY3Jlb2RUZGgrZ3h3cVlQUnAvUWRS?=
 =?utf-8?B?cHNMMWdjOHI1VklIYktlb1lhV0dpMno5bnZOUElveGl1bEhsSkIwbWVHbDdE?=
 =?utf-8?B?N2xqS0RzMjJVRm5taGMrT0VXK2M4dFlaeERoMWlpWWFCS0VjVENYd1NISmlh?=
 =?utf-8?B?a2YrOEhMeTUwcXN4SkpqMlpUb2Q3TkVXdzZCZXArbC9pcUFNSVdRcEZPdnJQ?=
 =?utf-8?B?c3c9PQ==?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <AFA0845F786CE44FAD4690D6C4CB55ED@namprd13.prod.outlook.com>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-OriginatorOrg: hammerspace.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: CH0PR13MB5084.namprd13.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: bff5ca17-3013-4a48-8cc3-08da9ca08f43
X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Sep 2022 13:44:23.8459
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 0d4fed5c-3a70-46fe-9430-ece41741f59e
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: AXB600mHQhBA3rWRIiuwo04yUYqjPt9J9F7HU5c2geaL4SyD0ux54MP9fDfhrTmJL4bncDEvgpzPPe/KzFxBoQ==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR13MB4416
X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,
        RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham
        autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-nfs.vger.kernel.org>
X-Mailing-List: linux-nfs@vger.kernel.org
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=