> Am 16.06.2014 um 20:51 schrieb Cong Wang <cw...@twopensource.com>: > > On Mon, Jun 16, 2014 at 11:41 AM, Stefan Priebe - Profihost AG > <s.pri...@profihost.ag> wrote: >> >>> Am 16.06.2014 um 20:05 schrieb Cong Wang <cw...@twopensource.com>: >>> >>> On Mon, Jun 16, 2014 at 5:51 AM, Stefan Priebe - Profihost AG >>> <s.pri...@profihost.ag> wrote: >>>> Hi, >>>> >>>> i'm using a vanilla 3.10.43 kernel and netconsole on top of a bridge. >>>> >>>> netconsole is used with vmbr0 (bridge) which is on top of bond0. >>>> >>>> If i want to add another bridge to vmbr0 is fails as long as netconsole >>>> is in use. >>>> >>>> # brctl addif vmbr0 fwpr2004p0 >>>> can't add fwpr2004p0 to bridge vmbr0: Unknown error 524 >>>> >>>> Kernel output: >>>> netpoll: (null): fwpr2004p0 doesn't support polling, aborting >>>> >>>> If i do rmmod netconsole - everything is working fine again. >>> >>> This is expected, you can't add an interface which doesn't support >>> netpoll to a bridge which is running netpoll. >> >> Thanks, so i can't use netconsole at a bridge used for vms? > > You can, but you need to make sure all the devices under > this bridge support netpoll. Not considering mac learning, > bridge just broadcasts all the packets to its ports, if one of them > doesn't support netpoll, how could it work?
Ok i was trying to add a veth device so this is the problematic device. >>> You should stop netpoll before adding it. >> >> How to do that? What disadvantage does this have? > > If you are using a redhat distro, run `service netconsole stop`. > > Or you can disable it via configfs, check > Documentation/networking/netconsole.txt. Ok but this means disabling netconsole nothing I want. Stefan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
