linux-kernel - Re: BUG warnings in 4.14.9

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Date:   Tue, 26 Dec 2017 07:21:27 +0100
From:   Willy Tarreau <w@....eu>
To:     Chris Rankin <rankincj@...il.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: BUG warnings in 4.14.9

Hi Chris,

On Tue, Dec 26, 2017 at 01:49:59AM +0000, Chris Rankin wrote:
(...)
> [   35.100181] Call Trace:
> [   35.102709]  dump_stack+0x46/0x59
> [   35.106095]  check_preemption_disabled+0xca/0xda
> [   35.110786]  ip6_pol_route+0x46b/0x509 [ipv6]
(...)

One patch touched this area between 4.14.8 and 4.14.9, you may try
to revert it to see if it fixes the issue :

    9704f81 ("ipv6: grab rt->rt6i_ref before allocating pcpu rt")

Willy