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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nextfour.com X-MS-Exchange-CrossTenant-Network-Message-Id: 297a1b3a-eab8-4942-37aa-08d7fca25ef7 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 May 2020 09:44:20.6994 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 972e95c2-9290-4a02-8705-4014700ea294 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: SsfbVDY0iMzNNon98Zhx9pS1lPZ95wrGp5J9YzJUPW58yYvxNkKCkGgoLOCHaS79a2YJIyV31mSj3TgScFg7fV4srjL8ySHdX+Xyzq0rSf8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0302MB2652 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Hi, We have custom made, Rockchip rk3399 based board with a standard M.2 socket for wifi/bt card. We have tried man different cards, like Intel 9260 and Intel AX200, but are experiencing problems while loading the firmware.   Failed to load firmware chunk! etc. I have a little debugged and the problem seems that the interrupts that acknowledges the load to proceed, is not coming, randomly. I have tried many firmwares. Do you have any pointers where to look next? Thanks, Mika