Hello again all, I've been running a few rtw8822bu dongles in monitor mode doing a packet capture on an STM32, running Linux 5.15. It's been fairly stable over a few days, but I checked back in on it and found this in the log. Any thoughts on what could have caused this? This is from lwfinger's GitHub repo at 4bede29 (I believe.) [406207.728602] 8<--- cut here --- [406207.730533] Unable to handle kernel NULL pointer dereference at virtual address 00000004 [406207.740137] pgd = 40e434d7 [406207.741665] [00000004] *pgd=00000000 [406207.745300] Internal error: Oops: 5 [#1] PREEMPT SMP ARM [406207.801313] CPU: 0 PID: 23145 Comm: kworker/u4:2 Tainted: G O 5.15.24 #13 [406207.809516] Hardware name: STM32 (Device Tree Support) [406207.814783] Workqueue: rtw88_usb: rx wq rtw_usb_rx_handler [rtw88_usb] [406207.821397] PC is at rtw_rx_fill_rx_status+0x40/0x278 [rtw_core] [406207.827604] LR is at rtw_rx_fill_rx_status+0x3c/0x278 [rtw_core] [406207.833666] pc : [<bf324cac>] lr : [<bf324ca8>] psr: 400f0113 [406207.840043] sp : c5379e20 ip : c5379eb8 fp : 00000001 ... [406208.084918] [<bf324cac>] (rtw_rx_fill_rx_status [rtw_core]) from [<bf3c6b44>] (rtw8822b_query_rx_desc+0x10c/0x19c [rtw_8822b]) [406208.096524] [<bf3c6b44>] (rtw8822b_query_rx_desc [rtw_8822b]) from [<bf416920>] (rtw_usb_rx_handler+0x6c/0x16c [rtw88_usb]) [406208.107820] [<bf416920>] (rtw_usb_rx_handler [rtw88_usb]) from [<c01455cc>] (process_one_work+0x1dc/0x588) [406208.117570] [<c01455cc>] (process_one_work) from [<c0145e04>] (worker_thread+0x5c/0x568) [406208.125790] [<c0145e04>] (worker_thread) from [<c014c230>] (kthread+0x144/0x160) [406208.133310] [<c014c230>] (kthread) from [<c0100130>] (ret_from_fork+0x14/0x24) ... [406208.186520] ---[ end trace 140c234232a74c11 ]--- Kind regards, Tim
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