Hi:
I have a custom AM3352 board with linux v5.15 support. I had enabled
gpio-watchdog driver and the timeout of gpio-watchdog is 1.6s .
The system will reboot when AM3352's MUSB driver print warn message:
(next is the log)
[ 1555.665496] ------------[ cut here ]------------
[ 1555.670343] WARNING: CPU: 0 PID: 345 at
drivers/usb/musb/musb_host.c:115 musb_h_tx_flush_fifo+0x11c/0x13c
[ 1555.680395] musb-hdrc musb-hdrc.0: Could not flush host TX10 fifo:
csr: 2403
[ 1555.687779] Modules linked in:
[ 1555.690989] CPU: 0 PID: 345 Comm: kworker/0:1 Not tainted
5.15.0-00013-g0ccd7df8f5ad #122
[ 1555.699560] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 1555.705946] Workqueue: usb_hub_wq hub_event
[ 1555.710359] [<c0111438>] (unwind_backtrace) from [<c010b9f4>]
(show_stack+0x10/0x14)
[ 1555.718497] [<c010b9f4>] (show_stack) from [<c0adc24c>]
(dump_stack_lvl+0x40/0x4c)
[ 1555.726453] [<c0adc24c>] (dump_stack_lvl) from [<c0136264>]
(__warn+0xf0/0x104)
[ 1555.734126] [<c0136264>] (__warn) from [<c01362ec>]
(warn_slowpath_fmt+0x74/0xbc)
[ 1555.741973] [<c01362ec>] (warn_slowpath_fmt) from [<c07e8b40>]
(musb_h_tx_flush_fifo+0x11c/0x13c)
[ 1555.751280] [<c07e8b40>] (musb_h_tx_flush_fifo) from [<c07ea024>]
(musb_cleanup_urb+0x128/0x204)
[ 1555.760495] [<c07ea024>] (musb_cleanup_urb) from [<c07ea1e4>]
(musb_urb_dequeue+0xe4/0x17c)
[ 1555.769253] [<c07ea1e4>] (musb_urb_dequeue) from [<c07c33f4>]
(usb_hcd_flush_endpoint+0x118/0x130)
[ 1555.778654] [<c07c33f4>] (usb_hcd_flush_endpoint) from [<c07c66ec>]
(usb_disable_endpoint+0x58/0xa4)
[ 1555.788232] [<c07c66ec>] (usb_disable_endpoint) from [<c07c6828>]
(usb_disable_interface+0x3c/0x54)
[ 1555.797716] [<c07c6828>] (usb_disable_interface) from [<c07c8f3c>]
(usb_unbind_interface+0x160/0x224)
[ 1555.807385] [<c07c8f3c>] (usb_unbind_interface) from [<c06a731c>]
(device_release_driver_internal+0x1d0/0x1d8)
[ 1555.817882] [<c06a731c>] (device_release_driver_internal) from
[<c07b062c>] (usbnet_cdc_unbind+0x70/0x78)
[ 1555.827926] [<c07b062c>] (usbnet_cdc_unbind) from [<c07b2098>]
(usbnet_disconnect+0x48/0xd8)
[ 1555.836780] [<c07b2098>] (usbnet_disconnect) from [<c07c8e40>]
(usb_unbind_interface+0x64/0x224)
[ 1555.845993] [<c07c8e40>] (usb_unbind_interface) from [<c06a731c>]
(device_release_driver_internal+0x1d0/0x1d8)
[ 1555.856480] [<c06a731c>] (device_release_driver_internal) from
[<c06a5bf4>] (bus_remove_device+0xc8/0xf8)
[ 1555.866515] [<c06a5bf4>] (bus_remove_device) from [<c06a0e5c>]
(device_del+0x180/0x404)
[ 1555.874909] [<c06a0e5c>] (device_del) from [<c07c68c8>]
(usb_disable_device+0x88/0x130)
[ 1555.883300] [<c07c68c8>] (usb_disable_device) from [<c07bd410>]
(usb_disconnect+0xb0/0x234)
[ 1555.892057] [<c07bd410>] (usb_disconnect) from [<c07bf968>]
(hub_event+0xf3c/0x1288)
[ 1555.900179] [<c07bf968>] (hub_event) from [<c015306c>]
(process_one_work+0x22c/0x55c)
[ 1555.908401] [<c015306c>] (process_one_work) from [<c01533c8>]
(worker_thread+0x2c/0x5cc)
[ 1555.916889] [<c01533c8>] (worker_thread) from [<c015b028>]
(kthread+0x140/0x168)
[ 1555.924652] [<c015b028>] (kthread) from [<c0100150>]
(ret_from_fork+0x14/0x24)
[ 1555.932226] Exception stack(0▒
U-Boot SPL 2022.01-rc1-00183-gfa5b4e2d19 (Feb 24 2022 - 15:48:38 +0800)
Trying to boot from NAND
Could you please give me some advice?
Thanks
