On Thu, 21 Jul 2011 16:42:17 +0800 Huajun Li wrote:
> Hi Randy and Simon,
> I happened to meet the issue too, loading and unloading module of
> ip_vs, then loading it again will cause Oops, the root cause may be
> ip_vs_dst_notifier is not unregistered. Please try following patch, it
> works for me.
>
>
> Signed-off-by: Huajun Li <huajun.li.lee@xxxxxxxxx>
> ---
> net/netfilter/ipvs/ip_vs_ctl.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
> index 699c79a..a178cb3 100644
> --- a/net/netfilter/ipvs/ip_vs_ctl.c
> +++ b/net/netfilter/ipvs/ip_vs_ctl.c
> @@ -3771,6 +3771,7 @@ err_sock:
> void ip_vs_control_cleanup(void)
> {
> EnterFunction(2);
> + unregister_netdevice_notifier(&ip_vs_dst_notifier);
> ip_vs_genl_unregister();
> nf_unregister_sockopt(&ip_vs_sockopts);
> LeaveFunction(2);
> --
Yes, this patch or the one here: http://www.spinics.net/lists/lvs-devel/msg02051.html
works. Thanks.
Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
> 2011/7/21 Simon Horman <horms@xxxxxxxxxxxx>:
> > On Wed, Jul 20, 2011 at 08:50:19PM -0700, Randy Dunlap wrote:
> >> I'm seeing the following Oops in 3.0-rc7 on x86_64, just loading and unloading
> >> modules. Any chance this is already fixed? I can test current git, but I
> >> wanted to ask first.
> >>
> >> Looks like it is on the second module load of ip_vs (i.e.,
> >> modprobe ip_vs; rmmod ip_vs; modprobe ip_vs).
> >
> > Hi Randy,
> >
> > I don't believe that this problem has been resolved (or observed before).
---
~Randy
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