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From: David Miller <davem@davemloft.net>
To: mroos@linux.ee
Cc: aaro.koskinen@iki.fi, sparclinux@vger.kernel.org,
	linux-kernel@vger.kernel.org, hughd@google.com
Subject: Re: sparc64 WARNING: at mm/mmap.c:2757 exit_mmap+0x13c/0x160()
Date: Wed, 16 Apr 2014 18:49:22 -0400 (EDT)	[thread overview]
Message-ID: <20140416.184922.850531879281945129.davem@davemloft.net> (raw)
In-Reply-To: <alpine.SOC.1.00.1404170119550.20193@math.ut.ee>

From: mroos@linux.ee
Date: Thu, 17 Apr 2014 01:22:17 +0300 (EEST)

>> > Just for the archives, I got one of these again with 3.14:
>> 
>> Meelis and Aaro, thanks again for all of your reports.
>> 
>> After pouring over a lot of the data and auditing some code I'm
>> suspecting it's a problem with transparent huge pages.
>> 
>> One thing you two can do to help me further confirm this is to run
>> with THP disabled for a while and see if you still get the log
>> messages.
> 
> I have snice turned off CONFIG_TRANSPARENT_HUGEPAGE on 3 of 4 servers 
> that had this problem (actually most of my sparc64 machines) and the 4th 
> has
 ...
> and also has not had this problem since then. All 4 machines have been 
> running through most -rc's of every kernel.

Thanks this is a very useful datapoint.

  reply	other threads:[~2014-04-16 22:49 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-16 21:06 Meelis Roos
2013-06-17  5:32 ` Aaro Koskinen
2013-06-17  5:58   ` Aaro Koskinen
2013-08-03 20:40     ` David Miller
2013-10-22 17:46       ` Aaro Koskinen
2013-10-22 17:54         ` David Miller
2014-04-14 18:43           ` Aaro Koskinen
2014-04-14 18:58             ` David Miller
2014-04-16 18:58             ` David Miller
2014-04-16 22:22               ` mroos
2014-04-16 22:49                 ` David Miller [this message]
2014-07-29 23:26                 ` David Miller
2014-07-30 22:02                   ` Meelis Roos
2014-07-30 22:07                     ` David Miller
2014-08-13 11:44                       ` Meelis Roos
2014-08-13 19:46                         ` David Miller
2014-08-14 12:20                           ` Meelis Roos
2014-08-15 12:42                           ` Meelis Roos
2014-08-18 12:30                             ` Meelis Roos
2014-08-18 17:35                               ` Aaro Koskinen
2014-08-18 17:38                                 ` David Miller
2014-08-30 22:27                                   ` Aaro Koskinen
2014-08-18 23:45                                 ` Julian Calaby
2014-08-19 21:29                                   ` Aaro Koskinen
2014-08-19  8:22                   ` Meelis Roos
2014-04-25 20:09               ` Aaro Koskinen
2014-04-25 20:17                 ` David Miller
2014-05-24 20:02                   ` mroos
2014-05-24 21:08                     ` David Miller
2014-06-09  6:36                       ` Meelis Roos

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