Comment # 4 on bug 1178015 from Bernhard Wiedemann

I now got a comparable crash with kernel-default-5.3.18-lp152.44.1
when I closed the lid to suspend the laptop while still attached to the docking
station

so not sure why it did not crash before.

[ 9822.663872] sysrq: Show Blocked State

 task:kworker/6:0     state:D stack:    0 pid:   49 ppid:     2
flags:0x80004000 
[ 9822.663935] Workqueue: ipv6_addrconf addrconf_verify_work
[ 9822.663937] Call Trace:
[ 9822.663947]  __schedule+0x2fd/0x750
[ 9822.663952]  schedule+0x2f/0xa0
[ 9822.663955]  schedule_preempt_disabled+0xa/0x10
[ 9822.663958]  __mutex_lock.isra.9+0x26d/0x4e0
[ 9822.663962]  ? addrconf_verify_work+0xa/0x20
[ 9822.663963]  addrconf_verify_work+0xa/0x20
[ 9822.663969]  process_one_work+0x1f4/0x3e0
[ 9822.663972]  worker_thread+0x2d/0x3e0
[ 9822.663975]  ? process_one_work+0x3e0/0x3e0 
[ 9822.663977]  kthread+0x10d/0x130
[ 9822.663980]  ? kthread_park+0xa0/0xa0
[ 9822.663982]  ret_from_fork+0x22/0x40 

task:NetworkManager  state:D stack:    0 pid: 1555 ppid:     1 flags:0x00000000 
[ 9822.664127] Call Trace:
[ 9822.664131]  __schedule+0x2fd/0x750
[ 9822.664134]  schedule+0x2f/0xa0 
[ 9822.664138]  rpm_resume+0x107/0x770
[ 9822.664143]  ? wait_woken+0x80/0x80
[ 9822.664145]  rpm_resume+0x571/0x770
[ 9822.664149]  ? d_add+0xd3/0x180
[ 9822.664152]  __pm_runtime_resume+0x47/0x70
[ 9822.664170]  usb_autopm_get_interface+0x1a/0x40 [usbcore]
[ 9822.664179]  rtl8152_get_wol+0x1d/0x90 [r8152]
[ 9822.664185]  dev_ethtool+0x1c16/0x2930
[ 9822.664189]  ? walk_component+0x48/0x300