linux-kernel - Re: Linux 4.1.28

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Date:	Wed, 20 Jul 2016 08:45:52 +0200
From:	Arkadiusz Miskiewicz <a.miskiewicz@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Thomas Voegtle <tv@...96.de>, Sasha Levin <sasha.levin@...cle.com>,
	stable <stable@...r.kernel.org>, lwn@....net
Subject: Re: Linux 4.1.28

On Friday 15 of July 2016, Thomas Voegtle wrote:
> On Fri, 15 Jul 2016, Sasha Levin wrote:
> > On 07/15/2016 07:38 AM, Thomas Voegtle wrote:
> >> On Wed, 13 Jul 2016, Sasha Levin wrote:
> >>> I'm announcing the release of the 4.1.28 kernel.
> >> 
> >> I have a serious memleak with 4.1.28 (like 20mb/s)
> >> I stripped down my kernel config and started a bisect, which came to:
> >> 
> >> # first bad commit: [c5ad33184354260be6d05de57e46a5498692f6d6]
> >> mm/swap.c: flush lru pvecs on compound page arrival
> >> =>
> >> commit c5ad33184354260be6d05de57e46a5498692f6d6
> >> Author: Lukasz Odzioba <lukasz.odzioba@...el.com>
> >> Date:   Fri Jun 24 14:50:01 2016 -0700
> >> 
> >>     mm/swap.c: flush lru pvecs on compound page arrival
> >> 
> >> Reverting this on top 4.1.28 helps. Config attached.
> > 
> > Yup, this was reported and a fix is already queued for 4.1.29.
> 
> And that one?
> Happens while trying to start a firewall script with iptables-restore.
> 
> 
> [  180.071999] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s!
> [iptables-restor:2338]


Same here but I don't have actuall trace

Applying iptables firewall rules...................................[   
42.297704] NMI watchdog: BUG: soft lockup - CPU#7 stuck for 22s! [iptables-
restor:900]
[   70.287999] NMI watchdog: BUG: soft lockup - CPU#7 stuck for 22s! 
[iptables-restor:900]
[  102.276912] NMI watchdog: BUG: soft lockup - CPU#7 stuck for 23s! 
[iptables-restor:900]

-- 
Arkadiusz Miśkiewicz, arekm / ( maven.pl | pld-linux.org )