In article <pine.neb.4.64.1701231124030.22...@6bone.informatik.uni-leipzig.de>, <6b...@6bone.informatik.uni-leipzig.de> wrote: >Hello, > >on NetBSD 7.1_RC1 (and earlier) I can create a kernel crash as follows: > >ifconfig ixg0 ip4csum tcp4csum udp4csum tcp6csum udp6csum ip4csum-tx >ip4csum-rx tcp4csum-tx tcp4csum-rx udp4csum-tx udp4csum-rx tcp6csum-tx >tcp6csum-rx udp6csum-tx udp6csum-rx tso4 tso6 >ifconfig vlan850 create >ifconfig vlan850 vlan 850 vlanif ixg0 up >ifconfig vlan850 ip4csum tcp4csum udp4csum tcp6csum udp6csum ip4csum-tx >ip4csum-rx tcp4csum-tx tcp4csum-rx udp4csum-tx udp4csum-rx tcp6csum-tx >tcp6csum-rx udp6csum-tx udp6csum-rx tso4 tso6 >ifconfig vlan850 destroy > >If it does not work, try again. > >Can anyone take a look at the problem or should I make a bug report? > >Thank you for your efforts
I think that the vlan creation/removal code is racy even under /current. There was some discussion recently about it. christos