netdev - Re: Problem with patch "make nlmsg_end() and genlmsg

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Message-Id: <20150611.001607.1734541690877787503.davem@davemloft.net>
Date:	Thu, 11 Jun 2015 00:16:07 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	dwmw2@...radead.org
Cc:	eric.dumazet@...il.com, johannes@...solutions.net,
	torvalds@...ux-foundation.org, marcel@...tmann.org,
	sfeldma@...il.com, netdev@...r.kernel.org, teg@...m.no
Subject: Re: Problem with patch "make nlmsg_end() and genlmsg_end() void"

From: David Woodhouse <dwmw2@...radead.org>
Date: Thu, 11 Jun 2015 01:31:28 +0100

> On Tue, 2015-06-09 at 17:49 -0700, Eric Dumazet wrote:
>> > I've added some debugging, and it seems that when it deadlocks, glibc
>> > doesn't get *any* response to its RTM_GETADDR request. I know we'd get
>> > ENOBUFS is a *response* was dropped... but what about when the request
>> > itself is dropped? ... 
>> 
>> Please check that this patch fixes your issue :
>> 
>> http://patchwork.ozlabs.org/patch/473041/
> 
> Looks likely; thanks. I'm running with that patch now. I haven't been
> able to quickly reproduce the problem on demand, but it usually happens
> within a day or two. So it'll be a few days at least before I call it a
> success.

Yeah, and I just sent that to -stable just over a day ago.
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