On 12/03/2017 at 12:35 PM Andreas Hartmann wrote: > On 12/01/2017 at 11:11 AM Andreas Hartmann wrote: >> Hello! >> >> I hopefully could get rid of both of my problems (hanging network w/ >> virtio) and endless hanging qemu-process on VM shutdown by upgrading >> qemu from 2.6.2 to 2.10.1. I hope it will persist. > > It didn't persist. 10h later - same problems happened again. It's just > much harder to trigger the problems. > > I'm now trying it with > > CONFIG_RCU_NOCB_CPU=y and > rcu_nocbs=0-15 > > Since then, I didn't see any problem any more. But this doesn't mean > anything until now ... .
Didn't work ether. Disabling vhost_net's zcopy hadn't any effect, too. => It's just finally broken since 2ddf71e23cc246e95af72a6deed67b4a50a7b81c net: add notifier hooks for devmap bpf map Here is the same problem: https://bugzilla.kernel.org/show_bug.cgi?id=197861 Any idea how to proceed? Thanks, Andreas
