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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PH0PR04MB7416.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: c6c6e2f8-4c16-4870-f83e-08d96085e048 X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Aug 2021 07:17:15.8037 (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: jlH73pUzCDcnSX9AXb7xfXYbFYfcsm0XSoGvVCCc+bByK9IsiTvF77ZAyCGljIaFfbi/cd3Rjt2WTH9uS8AAi7ckrPa9bSjCco01DmBu7dA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR04MB7239 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 14/08/2021 06:33, Chris Murphy wrote:=0A= > I get the following call trace about 0.6s after dnf completes an=0A= > update which I imagine deletes many files. I'll try to reproduce and=0A= > get /proc/lock_stat=0A= > =0A= > [ 95.674507] kernel: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!=0A= > [ 95.676537] kernel: turning off the locking correctness validator.=0A= > [ 95.676537] kernel: Please attach the output of /proc/lock_stat to=0A= > the bug report=0A= =0A= That can be "fixed" by bumping CONFIG_LOCKDEP_CHAINS_BITS.=0A= I have it set to 18 here.=0A=