On Wed, Sep 20, 2017 at 6:11 AM, Eric Dumazet <eric.duma...@gmail.com> wrote: > Sorry for top-posting, but this is to give context to Wei, since Pawel > used a top posting way to report his bisection. > > Wei, can you take a look at Pawel report ? > > Crash happens in dst_destroy() at following : > > if (dst->dev) > dev_put(dst->dev); <<CRASH>> > > > dst->dev is not NULL, but netdev->pcpu_refcnt is NULL > > 65 ff 08 decl %gs:(%rax) // CRASH since rax = NULL > > > > Pawel, please share your netdevices and routing setup ?
Looks like a double dev_put() on some dev... Pawel, do you have any idea how this is triggered? Does your test try to remove some network device? If so which one? I noticed you have at least multiple vlan, bond and ixgbe devices.
