Comment 6 for bug 1702665

Revision history for this message
Sorah Fukumori (sorah) wrote : Re: 4.4.0-83-generic + Docker + EC2 t2.small frequently crashes at cgroup_rmdir GPF

Noticed that these log appears before panic occurs for both kind of panics (GPF and "unable to handle kernel paging request").

[ 210.064089] unregister_netdevice: waiting for lo to become free. Usage count = 1
[ 1260.052073] unregister_netdevice: waiting for lo to become free. Usage count = 1
[ 3042.312072] unregister_netdevice: waiting for lo to become free. Usage count = 1
[ 4330.228094] unregister_netdevice: waiting for lo to become free. Usage count = 1
[ 4340.484089] unregister_netdevice: waiting for lo to become free. Usage count = 1
[ 5430.912074] unregister_netdevice: waiting for lo to become free. Usage count = 1
[ 7233.044085] unregister_netdevice: waiting for lo to become free. Usage count = 1