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Thu, 22 Apr 2021 14:26:34 +0000 From: "Gervais, Francois" To: Qu Wenruo , "linux-btrfs@vger.kernel.org" , Filipe Manana Subject: Re: read time tree block corruption detected Thread-Topic: read time tree block corruption detected Thread-Index: AQHXMvQIVkE2UJzwZEu4ya+WYER7y6q35F6AgAPucjqAAAh5gIAAFd71gACzewCAAMlBj4AAq2MAgADvGLSAAJYeAIABAdYb Date: Thu, 22 Apr 2021 14:26:34 +0000 Message-ID: References: <666c6ea6-9015-1e50-e8a7-dc5b45cdac3c@gmx.com> <41e13913-398a-96b8-0f6f-00cfc83c6304@gmx.com> <709d1a70-e52a-0ff3-8425-f86f18ac0641@gmx.com> ,<86123bb4-08d4-5de4-b8cb-b23677062468@gmx.com> In-Reply-To: <86123bb4-08d4-5de4-b8cb-b23677062468@gmx.com> Accept-Language: en-CA, en-US Content-Language: en-CA X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: gmx.com; dkim=none (message not signed) header.d=none;gmx.com; dmarc=none action=none header.from=distech-controls.com; x-originating-ip: [76.67.142.108] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 0ac37c8c-6b15-45fa-8a79-08d9059aa1e2 x-ms-traffictypediagnostic: SA1PR01MB6543: x-microsoft-antispam-prvs: x-pp-identifier: acuityo365 x-ms-oob-tlc-oobclassifiers: OLM:10000; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: distech-controls.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN6PR01MB4269.prod.exchangelabs.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0ac37c8c-6b15-45fa-8a79-08d9059aa1e2 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Apr 2021 14:26:34.7627 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: caadbe96-024e-4f67-82ec-fb28ff53d16d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: KswvR8OwJbhgrDg1MdvMJ8XhRg0l4jSIimaky480oqlD358Usddw1+wrPU63bSM5XF4tDiRJu7R3mj8WROIkMg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR01MB6543 X-Proofpoint-GUID: CPbCywqE8bA-NdhtTd3cMMaP1eYscCWP X-Proofpoint-ORIG-GUID: CPbCywqE8bA-NdhtTd3cMMaP1eYscCWP X-Proofpoint-Processed: True X-Proofpoint-Spam-Details: rule=outbound_spam_notspam policy=outbound_spam score=0 mlxscore=0 malwarescore=0 adultscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 impostorscore=0 phishscore=0 suspectscore=0 bulkscore=0 spamscore=0 mlxlogscore=973 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104220118 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org >> Alright, for the next step, I feel the best is that we try to reproduce = and=0A= >> get more information as of the events that caused state.=0A= >>=0A= >> A few questions ,if you want, before we start.=0A= >>=0A= >> - Anything you would recommend as of configuration of the device?=0A= > =0A= > You can test using dm-logwrites, which really logs every writes and=0A= > replay it.=0A= > By using dm-logwrites, you can emulate powerloss for each write operation= .=0A= > =0A= >>=A0=A0=A0 - Should we run a newer kernel than our current v5.4?=0A= > =0A= > Definitely. In fact my fuzzy memory points me to some fix, but I can't=0A= > remember exactly which fix.=0A= > =0A= >>=A0=A0=A0 - Any debug you think would be useful to enable or add?=0A= >>=0A= > =0A= > Tree-checker, which is already enabled by default (in fact no way to=0A= > disable) in newer kernels.=0A= > =0A= > Thanks,=0A= > Qu=0A= =0A= Thank you very much,=0A= =0A= I will report here if/when we get more information on this issue.=