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Message-ID: <1429540232.11886.1.camel@infradead.org>
Date: Mon, 20 Apr 2015 15:30:32 +0100
From: David Woodhouse <dwmw2@...radead.org>
To: Johannes Berg <johannes@...solutions.net>
Cc: David Miller <davem@...emloft.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"
On Wed, 2015-04-08 at 15:12 +0100, David Woodhouse wrote:
> On Wed, 2015-04-08 at 15:08 +0200, Johannes Berg wrote:
> > Additionally, the failure mode of this was the process running out of
> > memory due to receiving the same results over and over again - does that
> > happen for you? It seems it was stuck in recvmsg(), but that may just be
> > a side effect of happening to interrupt at that point?
>
> No, strace shows it's just sitting in recvmsg().
>
> As I said, I'm not *sure* it's caused by the same commit; bisecting is
> distinctly non-trivial. It just seemed likely.
FWIW I went back to the Fedora 3.19 kernel for a week and it didn't
show up again. After rebooting to 4.0 earlier today, it's happened
already.
I'll see if I can find a more reliable way of reproducing it, which
will make it slightly saner to try bisecting.
--
dwmw2
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