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Date:   Wed, 20 Feb 2019 15:09:21 +0200
From:   Nikolay Aleksandrov <>
To:     Sebastian Gottschall <>,
        Greg Kroah-Hartman <>
        Ying Xu <>, Hangbin Liu <>,
        Roopa Prabhu <>,
        "David S. Miller" <>,
        Linus Lüssing <>
Subject: Re: [PATCH 4.19 01/24] bridge: do not add port to router list when
 receives query with source

On 20/02/2019 14:48, Sebastian Gottschall wrote:
> *reminder*
>>>>>    }
>>>>>    static void br_ip4_multicast_query(struct net_bridge *br,
>>> Is this also a problem in 4.20?  This patch went into 4.20-rc1, so it
>>> has been around for a while with no reported issues that I can find.
>>> Any pointers to the reports?
>> i need to check this. i found this patch in 4.9, 4.14 and 4.4
>> the rest was picked up from the mailinglist. according to the git sources of 4.20 and 5.0 the same code is in there as well
>> i just got the report from users today and was able to reproduce it with iptv streams. just by disabling the code it was working again.
>> Sebastian
>>> thanks,
>>> greg k-h

Could you please include more details about the setup that's broken ?
Note that we were warned[1] of potential breakage from this change
after it went in and regardless of the suggestion from the RFC we'll
probably have to revert this patch.

Ying Xu as author of the patch, any thoughts ?

Also adding Linus Lüssing to the CC as he was the one who warned against it.
Note that the warning was sent as a reply to my breakage fix, but it was intended
for the original patch.



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