netdev - Re: BUG: unable to handle kernel paging request in fib6_node_lookup

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Message-ID: <19221B67-54C8-4A10-9EAC-D53B323A32B9@fb.com>
Date:   Wed, 5 Sep 2018 18:12:59 +0000
From:   Song Liu <songliubraving@...com>
To:     David Ahern <dsahern@...il.com>
CC:     Networking <netdev@...r.kernel.org>,
        "weiwan@...gle.com" <weiwan@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: BUG: unable to handle kernel paging request in fib6_node_lookup_1



> On Sep 5, 2018, at 10:32 AM, David Ahern <dsahern@...il.com> wrote:
> 
> On 9/5/18 12:11 AM, Song Liu wrote:
>> We are debugging an issue with fib6_node_lookup_1(). 
>> 
>> We use a 4.16 based kernel, and we have back ported most upstream
>> patches in ip6_fib.{c.h}. The only major differences I can spot are
>> 
> 
> Did you backport all patches in each set that included a change to those
> files, or just the patches to ip6_fib.* and any dependencies?

I believe we always try back port all patches in each set. But we have back
ported hundreds of patches to our 4.16 tree, so it is also likely we missed
some useful patches. 

Thanks,
Song