From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Pawe=c5=82_Staszewski?= Subject: Re: Linux 4.12+ memory leak on router with i40e NICs Date: Tue, 17 Oct 2017 02:44:59 +0200 Message-ID: <310ce203-0d65-bdf4-d9e4-897a349b3277@itcare.pl> References: <1507121766.30720.4.camel@cohaesio.com> <1507180753.20182.8.camel@cohaesio.com> <227d17ae-b040-07d0-3c57-e9acd1a3b5b4@itcare.pl> <3d783736-a474-d9e3-2de2-e35c765f8249@itcare.pl> <39696136-2a4a-9c6c-3a63-4485ed2a1bf3@itcare.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Cc: Pavlos Parissis , "Anders K. Pedersen | Cohaesio" , "netdev@vger.kernel.org" , "intel-wired-lan@lists.osuosl.org" , "alexander.h.duyck@intel.com" To: Alexander Duyck Return-path: Received: from smtp16.iq.pl ([86.111.242.222]:58081 "EHLO smtp16.iq.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755063AbdJQApC (ORCPT ); Mon, 16 Oct 2017 20:45:02 -0400 In-Reply-To: Content-Language: pl Sender: netdev-owner@vger.kernel.org List-ID: W dniu 2017-10-17 o 01:56, Alexander Duyck pisze: > On Mon, Oct 16, 2017 at 4:34 PM, Paweł Staszewski wrote: >> >> W dniu 2017-10-16 o 18:26, Paweł Staszewski pisze: >> >>> >>> W dniu 2017-10-16 o 13:20, Pavlos Parissis pisze: >>>> On 15/10/2017 02:58 πμ, Alexander Duyck wrote: >>>>> Hi Pawel, >>>>> >>>>> To clarify is that Dave Miller's tree or Linus's that you are talking >>>>> about? If it is Dave's tree how long ago was it you pulled it since I >>>>> think the fix was just pushed by Jeff Kirsher a few days ago. >>>>> >>>>> The issue should be fixed in the following commit: >>>>> >>>>> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/drivers/net/ethernet/intel/i40e/i40e_txrx.c?id=2b9478ffc550f17c6cd8c69057234e91150f5972 >>>>> >>>> Do you know when it is going to be available on net-next and linux-stable >>>> repos? >>>> >>>> Cheers, >>>> Pavlos >>>> >>>> >>> I will make some tests today night with "net" git tree where this patch is >>> included. >>> Starting from 0:00 CET >>> :) >>> >>> >> Upgraded and looks like problem is not solved with that patch >> Currently running system with >> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/ >> kernel >> >> Still about 0.5GB of memory is leaking somewhere >> >> Also can confirm that the latest kernel where memory is not leaking (with >> use i40e driver intel 710 cards) is 4.11.12 >> With kernel 4.11.12 - after hour no change in memory usage. >> >> also checked that with ixgbe instead of i40e with same net.git kernel there >> is no memleak - after hour same memory usage - so for 100% this is i40e >> driver problem. > So how long was the run to get the .5GB of memory leaking? 1 hour > > Also is there any chance of you being able to bisect to determine > where the memory leak was introduced since as you pointed out it > didn't exist in 4.11.12 so odds are it was introduced somewhere > between 4.11 and the latest kernel release. Can be hard cause currently need to back to 4.11.12 - this is production host/router Will try to find some free/test router for tests/bicects with i40e driver (intel 710 cards) > > Thanks. > > - Alex > From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?unknown-8bit?q?Pawe=C5=82?= Staszewski Date: Tue, 17 Oct 2017 02:44:59 +0200 Subject: [Intel-wired-lan] Linux 4.12+ memory leak on router with i40e NICs In-Reply-To: References: <1507121766.30720.4.camel@cohaesio.com> <1507180753.20182.8.camel@cohaesio.com> <227d17ae-b040-07d0-3c57-e9acd1a3b5b4@itcare.pl> <3d783736-a474-d9e3-2de2-e35c765f8249@itcare.pl> <39696136-2a4a-9c6c-3a63-4485ed2a1bf3@itcare.pl> Message-ID: <310ce203-0d65-bdf4-d9e4-897a349b3277@itcare.pl> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: W dniu 2017-10-17 o?01:56, Alexander Duyck pisze: > On Mon, Oct 16, 2017 at 4:34 PM, Pawe? Staszewski wrote: >> >> W dniu 2017-10-16 o 18:26, Pawe? Staszewski pisze: >> >>> >>> W dniu 2017-10-16 o 13:20, Pavlos Parissis pisze: >>>> On 15/10/2017 02:58 ??, Alexander Duyck wrote: >>>>> Hi Pawel, >>>>> >>>>> To clarify is that Dave Miller's tree or Linus's that you are talking >>>>> about? If it is Dave's tree how long ago was it you pulled it since I >>>>> think the fix was just pushed by Jeff Kirsher a few days ago. >>>>> >>>>> The issue should be fixed in the following commit: >>>>> >>>>> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/drivers/net/ethernet/intel/i40e/i40e_txrx.c?id=2b9478ffc550f17c6cd8c69057234e91150f5972 >>>>> >>>> Do you know when it is going to be available on net-next and linux-stable >>>> repos? >>>> >>>> Cheers, >>>> Pavlos >>>> >>>> >>> I will make some tests today night with "net" git tree where this patch is >>> included. >>> Starting from 0:00 CET >>> :) >>> >>> >> Upgraded and looks like problem is not solved with that patch >> Currently running system with >> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/ >> kernel >> >> Still about 0.5GB of memory is leaking somewhere >> >> Also can confirm that the latest kernel where memory is not leaking (with >> use i40e driver intel 710 cards) is 4.11.12 >> With kernel 4.11.12 - after hour no change in memory usage. >> >> also checked that with ixgbe instead of i40e with same net.git kernel there >> is no memleak - after hour same memory usage - so for 100% this is i40e >> driver problem. > So how long was the run to get the .5GB of memory leaking? 1 hour > > Also is there any chance of you being able to bisect to determine > where the memory leak was introduced since as you pointed out it > didn't exist in 4.11.12 so odds are it was introduced somewhere > between 4.11 and the latest kernel release. Can be hard cause currently need to back to 4.11.12 - this is production host/router Will try to find some free/test router for tests/bicects with i40e driver (intel 710 cards) > > Thanks. > > - Alex >