mpvader
commented
7 years ago Yes its a known issue:
https://github.com/victronenergy/meta-victronenergy/commit/ea27495e0d4178fe4189f0fcb59914123b65a730
Not something I want to spend any of our on for fixing it.
the device reboots fine though....
Sending all processes the TERM signal... Sending all processes the KILL signal... Unmounting remote filesystems... Deactivating swap... Unmounting local filesystems... [ 339.128515] EXT4-fs (mmcblk1p3): re-mounted. Opts: data=ordered Rebooting... [ 341.319268] musb-hdrc musb-hdrc.1.auto: remove, state 1 [ 341.325367] usb usb1: USB disconnect, device number 1 [ 341.330748] usb 1-1: USB disconnect, device number 2 [ 341.335986] usb 1-1.4: USB disconnect, device number 3 [ 341.350440] RTL871X: rtw_ndev_uninit(wlan0) [ 341.376227] RTL871X: rtw_ndev_uninit(wlan1) [ 341.383930] [ 341.385507] ============================================= [ 341.391165] [ INFO: possible recursive locking detected ] [ 341.396828] 4.1.36-venus #1 Tainted: G O [ 341.402121] --------------------------------------------- [ 341.407779] reboot/4000 is trying to acquire lock: [ 341.412801] (&(plock)->rlock){+.....}, at: [] rtw_free_xmitframe_queue+0x18/0x58 [8723bu]
[ 341.422959]
[ 341.422959] but task is already holding lock:
[ 341.429075] (&(plock)->rlock){+.....}, at: [] rtw_free_stainfo+0x48/0x364 [8723bu]
[ 341.438283]
[ 341.438283] other info that might help us debug this:
[ 341.445128] Possible unsafe locking scenario:
[ 341.445128]
[ 341.451334] CPU0
[ 341.453893] ----
[ 341.456451] lock(&(plock)->rlock);
[ 341.460204] lock(&(plock)->rlock);
[ 341.463956]
[ 341.463956] DEADLOCK
[ 341.463956]
[ 341.470162] May be due to missing lock nesting notation
[ 341.470162]
[ 341.477280] 9 locks held by reboot/4000:
[ 341.481388] #0: (reboot_mutex){+.+.+.}, at: [] SyS_reboot+0x90/0x1d8
[ 341.489182] #1: (&dev->mutex){......}, at: [] device_shutdown+0x84/0x1ec
[ 341.497334] #2: (&dev->mutex){......}, at: [] device_shutdown+0x94/0x1ec
[ 341.505478] #3: (usb_bus_list_lock){+.+.+.}, at: [] usb_remove_hcd+0x98/0x1fc
[ 341.514086] #4: (&dev->mutex){......}, at: [] usb_disconnect+0x40/0x280
[ 341.522139] #5: (&dev->mutex){......}, at: [] usb_disconnect+0x40/0x280
[ 341.530191] #6: (&dev->mutex){......}, at: [] usb_disconnect+0x40/0x280
[ 341.538243] #7: (&dev->mutex){......}, at: [] device_release_driver+0x18/0x2c
[ 341.546845] #8: (&(plock)->rlock){+.....}, at: [] rtw_free_stainfo+0x48/0x364 [8723bu]
[ 341.556452]
[ 341.556452] stack backtrace:
[ 341.561026] CPU: 0 PID: 4000 Comm: reboot Tainted: G O 4.1.36-venus #1
[ 341.569053] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 341.575468] [] (unwind_backtrace) from [] (show_stack+0x10/0x14)
[ 341.583598] [] (show_stack) from [] (lock_acquire+0x1454/0x1da0)
[ 341.591905] [] (__lock_acquire) from [] (lock_acquire+0xac/0x12c)
[ 341.600130] [] (lock_acquire) from [] (_raw_spin_lock_bh+0x44/0x54)
[ 341.608713] [] (_raw_spin_lock_bh) from [] (rtw_free_xmitframe_queue+0x18/0x58 [8723bu])
[ 341.619336] [] (rtw_free_xmitframe_queue [8723bu]) from [] (rtw_free_stainfo+0x54/0x364 [8723bu])
[ 341.630763] [] (rtw_free_stainfo [8723bu]) from [] (free_mlme_ap_info+0x3c/0x48 [8723bu])
[ 341.641460] [] (free_mlme_ap_info [8723bu]) from [] (rtw_usb_if1_deinit+0x34/0xa4 [8723bu])
[ 341.652342] [] (rtw_usb_if1_deinit [8723bu]) from [] (rtw_dev_remove+0x74/0x88 [8723bu])
[ 341.662804] [] (rtw_dev_remove [8723bu]) from [] (usb_unbind_interface+0x7c/0x290)
[ 341.672574] [] (usb_unbind_interface) from [] ( device_release_driver+0x70/0xe4)
[ 341.682249] [] (__device_release_driver) from [] (device_release_driver+0x20/0x2c)
[ 341.692013] [] (device_release_driver) from [] (bus_remove_device+0xdc/0x108)
[ 341.701322] [] (bus_remove_device) from [] (device_del+0x110/0x210)
[ 341.709724] [] (device_del) from [] (usb_disable_device+0xa0/0x1e8)
[ 341.718122] [] (usb_disable_device) from [] (usb_disconnect+0x74/0x280)
[ 341.726884] [] (usb_disconnect) from [] (usb_disconnect+0x210/0x280)
[ 341.739355] musb-hdrc musb-hdrc.1.auto: USB bus 1 deregistered
[ 341.746076] udc musb-hdrc.0.auto: releasing 'musb-hdrc.0.auto'
[ 341.753127] reboot: Restarting system