When the issue happens (it looks due to the layout of the struct somehow...), can you try the small workaround patch at https://patchwork.ozlabs.org/patch/518469/?
I paste it below: diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 88a0069..7233790 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -132,7 +132,9 @@ static inline bool dev_xmit_complete(int rc) * used. */ -#if defined(CONFIG_WLAN) || IS_ENABLED(CONFIG_AX25) +#if IS_ENABLED(CONFIG_HYPERV_NET) +# define LL_MAX_HEADER 224 +#elif defined(CONFIG_WLAN) || IS_ENABLED(CONFIG_AX25) # if defined(CONFIG_MAC80211_MESH) # define LL_MAX_HEADER 128 # else If this can work, please use the formal fixes from KY, which have been in linux-next: https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/log/?qt=grep&q=hv_netvsc (please check the patches of the past week) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1521053 Title: Network Performance dropping between vms on different location in Azure To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1521053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
