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Date: Wed, 25 Sep 2019 08:01:09 +0200 From: Michal Kubecek <mkubecek@...e.cz> To: netdev@...r.kernel.org Cc: David Ahern <dsahern@...il.com>, Stephen Hemminger <stephen@...workplumber.org> Subject: Re: Fw: [Bug 204903] New: unable to create vrf interface when ipv6.disable=1 On Tue, Sep 24, 2019 at 08:28:52PM -0600, David Ahern wrote: > On 9/19/19 2:46 AM, Stephen Hemminger wrote: > > > > > > Begin forwarded message: > > > > Date: Wed, 18 Sep 2019 15:15:42 +0000 > > From: bugzilla-daemon@...zilla.kernel.org > > To: stephen@...workplumber.org > > Subject: [Bug 204903] New: unable to create vrf interface when ipv6.disable=1 > > > > > > https://bugzilla.kernel.org/show_bug.cgi?id=204903 > > > > Bug ID: 204903 > > Summary: unable to create vrf interface when ipv6.disable=1 > > Product: Networking > > Version: 2.5 > > Kernel Version: 5.2.14 > > Hardware: All > > OS: Linux > > Tree: Mainline > > Status: NEW > > Severity: normal > > Priority: P1 > > Component: Other > > Assignee: stephen@...workplumber.org > > Reporter: zhangyoufu@...il.com > > Regression: No > > > > `ip link add vrf0 type vrf table 100` fails with EAFNOSUPPORT when boot with > > `ipv6.disable=1`. There must be somewhere inside `vrf_newlink` trying to use > > IPv6 without checking availablity. Maybe `vrf_add_fib_rules` I guess. > > > > ack. I'll take a look when I get a chance. Should be a simple fix. Not sure if it's the only problem but vrf_fib_rule() checks ipv6_mod_enabled() for AF_INET6 but not for RTNL_FAMILY_IP6MR. Michal
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