Re: ndisc_cache garbage collection issue

2019-05-02 Thread Tom Hughes
On 02/05/2019 14:19, Eric Dumazet wrote: On 5/2/19 5:42 AM, Tom Hughes wrote: I recently upgraded a machine from a 4.20.13 kernel to 5.0.9 and am finding that after a few days I start getting a lot of these messages:   neighbour: ndisc_cache: neighbor table overflow! and IPv6 networking sta

Re: ndisc_cache garbage collection issue

2019-05-02 Thread Eric Dumazet
On 5/2/19 5:42 AM, Tom Hughes wrote: > I recently upgraded a machine from a 4.20.13 kernel to 5.0.9 and am > finding that after a few days I start getting a lot of these messages: > >   neighbour: ndisc_cache: neighbor table overflow! > > and IPv6 networking starts to fail intermittently as a

ndisc_cache garbage collection issue

2019-05-02 Thread Tom Hughes
I recently upgraded a machine from a 4.20.13 kernel to 5.0.9 and am finding that after a few days I start getting a lot of these messages: neighbour: ndisc_cache: neighbor table overflow! and IPv6 networking starts to fail intermittently as a result. The neighbour table doesn't appear to have