Am Dienstag, den 13.04.2021, 13:57 -0700 schrieb Thiago Macieira: > This has been happening for at least a year but I've only now decided to > report it. > > Kernel 5.11.11 > Symptom: > - partial kernel freeze > - some kernel tasks end up in state D and never leave it > (notably ipv6_addrconf) > - problem propagates as other userspace processes try to use > networking, such as /sbin/ip trying to set the device down > - normal reboot impossible, Alt+SysRq,B is necessary > > Steps to reproduce: use device for a few hours. I'm using it in a bonded > connection, but I don't think that's a required condition. > > Workaround: disable power management on the device via PowerTop before the > problem occurs. Hi, is this device part of a docking station? Regards Oliver
