RHEL6.9: skb_warn_bad_offload warnings after kernel upgrade
Issue
- we have upgraded the RHEL server from 6.8 to 6.9. After OS upgrade, we started receiving the below kernel Tainted messages.
kernel: WARNING: at net/core/dev.c:1929 skb_warn_bad_offload+0x99/0xb0() (Tainted: G W -- ------------ )
kernel: Pid: 6047, comm: XXX Tainted: G W -- ------------ 2.6.32-696.el6.x86_64 #1
Environment
- Red Hat Enterprise 6.9
- kernel-2.6.32-696.el6.x86_64
- vmxnet3 NIC driver
- kernel-2.6.32-696.el6.x86_64
- nf_netfilter
- nf_queue
- Symantec Virus checker
- Any application that uses nf_queue to gather skbs directly from the NIC into userspace.
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