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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?0Os5RrxnXXnbJpF2nXo/jonHgzl/aE7+WM2mcfUTDQgZEHHnpyzfr/UMerPt?= =?us-ascii?Q?+qlm/RsBNulTt5RNVcSstuKj5xC+nbmA4irt1mPWcAYk4eAk/mXaajlcx1C3?= =?us-ascii?Q?Yl865FNNUxDdRssVi5W/kuWcnnC8w00gtH7wPTwBJFjQzQN1ZdUjSeRa/trZ?= =?us-ascii?Q?qPpac3cP1/oQVUZZhZ35LwzhCfZT09zz9tnqgZ+BgIhhDyvrN5wI2tEXvV5L?= =?us-ascii?Q?PbpT5bZuIu12JAwHucd+8mz6XTuhKQGD+7CO7A6y1l/omctdYwGbf5WArgbB?= =?us-ascii?Q?DqEyi47qQ5ULfyp6MsrLEx+riAP8QeRpj77NrGCJbyavecWYDNvyN875ZK5F?= =?us-ascii?Q?X3MBR84xeu3aaCt+CUeKld5zdCGmw+KdhyQGzRbXI/oX6RwJ6mLy0Opst34f?= =?us-ascii?Q?gBcpvI4u0NcXXFvzNiZW1ziaPVDU2hBj1Lp+k322U685f0Ji/te/1H7mDItq?= =?us-ascii?Q?ixPq4JAz16vyUCUATFkhJ0tpBFS+JqUvzZKxii/Izg1CzUhyWxNaqg7Jhm9z?= =?us-ascii?Q?RacQfGD1QmY5yntKHUsQHJl+C66PKCYcfSSMihlDw71dlXvd8syANUPzvrJr?= =?us-ascii?Q?eP2L8U+V1vY80q1rZ0h0oQ8m0avVm5zqClEWSSBYNPzcSko366oZosfBnwZq?= =?us-ascii?Q?3vyhPVKNh1FkVmm5YPsoILo/y4D7ps+DcL9aCX+25v/z7XdwXrXKPzx6u9Bd?= =?us-ascii?Q?fSnaBdYdvSF1H8l59GhNTz5+oCZrgxS8L9ZxzbUhDQox3ArOiMkr33xr89dA?= =?us-ascii?Q?RpQPm6A5XHkVZeYMLF7ciOQqqyPypklD+nsCnW19F5MzYwxTARsqZSZ0oBs8?= =?us-ascii?Q?BVDLHE0Ll7KSLs9xVRvheuVzzslrkaBoJHcuLpX+GtQgeSmg4yxFEHiG6tyQ?= =?us-ascii?Q?rIK9WN0vvGuqA+u6DduGyOYdLffi1H/RIo5iznQjiafggSd5O9jJ+dgUPuPN?= =?us-ascii?Q?km5AOsgn1BpQfrxMqe3tWHqtZsXDH5NotLbEXflZAnnkQWeD9nFjownuRuFW?= =?us-ascii?Q?5hvXdd6MulhufkiBqOwraEzWvA3p6Ut/wuNKDOWkL1ZZWC/2uG3UABbNPyVc?= =?us-ascii?Q?GDCYUe6x7gsxOtyz4/c9QgXk9+VQybBcabZlyWfhIbuUE9MUJnXy5V1ijQhY?= =?us-ascii?Q?1cExIszvDSHOw0eU/UppmAtUu7M/FS1sFt3vEufVxjx55xv9dtcLJ051n8Bj?= =?us-ascii?Q?PCeJWmuHsuoPo9wlZtglUgTmbdBmSzaycyWz5jeTo+sIT5qAPy8ltiACZA9r?= =?us-ascii?Q?P1BEw4VCuueqcgg+iJyL3LBvjcmyz3SY4Zp0H2pp7Exr6mh49rBFzGVKWnmD?= =?us-ascii?Q?I6TuP7Yf5M6YWa8H75SdpCmmrzCcok2ji2CTsM0VjpfPlYoArTLkCAx/ZqoM?= =?us-ascii?Q?8LfSzH7gxd56taXPayOaKpmu9FXLmpL0YXyfY5fuEhP7AcSIyD1J9Q+uWQbC?= =?us-ascii?Q?KUIYeU9gbm+pZMaNpd83AnZStkxwNlJUqvwaVoBnyiH/TAFxzrSLkUcpzJAw?= =?us-ascii?Q?+3Ggn5MXYi+BoJG660g9tOuKzoJS0f5eGjqMZSLXXBFdaJfjaoI+zVHzR1aO?= =?us-ascii?Q?T9/sy5CfuqK8C6d9AIA=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9d0c4c24-53ea-4a63-e645-08dbf05d1805 X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB4838.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Nov 2023 21:58:03.0455 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ynO2pQ3wt+4GhLLh7B5mM6hVOCOr28lpzSGXgv7WQs8WB7d7yg26yyLoIVUjzppAAeONYFBoMh8L3Tv3vJOuYg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR04MB6965 On Tue, Nov 28, 2023 at 10:38:41AM -0500, Frank Li wrote: > On Tue, Nov 28, 2023 at 12:43:59PM +0800, wangxiaolei wrote: > > Hi > > > > When I executed the following command to do dmatest on the imx8qm platform, > > > > I found that the timeout occurred on the current mainline kernel: > > > > > > modprobe dmatest run=1 iterations=42 > > > > dmatest use mem to mem transfer. It seldom used at actual system. Let me > check it. > > Frank > > > > > I found that the completion interrupt was not received in > > fsl_edma3_tx_handler(). I test at imx93, it works. I supposed it is the same as 8qm. echo dma0chan0 > /sys/module/dmatest/parameters/channel echo 2000 > /sys/module/dmatest/parameters/timeout echo 1 > /sys/module/dmatest/parameters/iterations echo 1 > /sys/module/dmatest/parameters/run I add debug message: [ 154.090765] fsl_edma_tx_chan_handler [ 154.094711] fsl_edma_prep_memcpy 8d842340 8d839280 7104 [ 154.100063] fsl_edma_tx_chan_handler [ 154.103949] fsl_edma_prep_memcpy 8d8419c0 8d838580 4288 [ 154.109265] fsl_edma_tx_chan_handler [ 154.113235] fsl_edma_prep_memcpy 8d840ec0 8d838340 6016 [ 154.118573] fsl_edma_tx_chan_handler [ 154.122508] fsl_edma_prep_memcpy 8d841c00 8d83a8c0 1920 [ 154.127791] fsl_edma_tx_chan_handler [ 154.131738] fsl_edma_prep_memcpy 8d840040 8d838200 14784 [ 154.137272] fsl_edma_tx_chan_handler [ 154.141171] fsl_edma_prep_memcpy 8d840280 8d838080 15616 [ 154.146716] fsl_edma_tx_chan_handler [ 154.150598] fsl_edma_prep_memcpy 8d840e00 8d838f40 4928 [ 154.155915] fsl_edma_tx_chan_handler [ 154.159858] fsl_edma_prep_memcpy 8d8419c0 8d838040 7424 [ 154.165203] fsl_edma_tx_chan_handler [ 154.169140] fsl_edma_prep_memcpy 8d841700 8d839380 2560 Frank > > > > I didn't find any special configuration from the manual. Can anyone give > > some suggestions? > > > > > > thanks > > > > xiaolei > >