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Re: [KERNEL] Re: Bug 4.9 and memorymanagement

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  Re: [KERNEL] Re: Bug 4.9 and memorymanagement Michal Hocko <mhocko@kernel.org> - 2017-01-04 09:10 +0100
    Re: [KERNEL] Re: [KERNEL] Re: Bug 4.9 and memorymanagement Klaus Ethgen <Klaus+lkml@ethgen.de> - 2017-01-04 09:20 +0100
      Re: [KERNEL] Re: [KERNEL] Re: Bug 4.9 and memorymanagement Michal Hocko <mhocko@kernel.org> - 2017-01-04 09:40 +0100
        Re: [KERNEL] Re: [KERNEL] Re: [KERNEL] Re: Bug 4.9 and  memorymanagement Klaus Ethgen <Klaus+lkml@ethgen.de> - 2017-01-04 11:00 +0100

#1550494 — Re: [KERNEL] Re: Bug 4.9 and memorymanagement

On Fri 30-12-16 18:23:58, Michal Hocko wrote:
> On Fri 30-12-16 17:52:30, Klaus Ethgen wrote:
> > Sorry, did reply only you..
> > 
> > Am Fr den 30. Dez 2016 um 12:11 schrieb Michal Hocko:
> > > > If this turns out to be memory cgroup related then the patch from
> > > > http://lkml.kernel.org/r/20161226124839.GB20715@dhcp22.suse.cz might
> > > > help.
> > >
> > > Did you get chance to test the above patch? I would like to send it for
> > > merging and having it tested on another system would be really helpeful
> > > and much appreciated.
> > 
> > Sorry, no, I was a bit busy when coming back from X-mass. ;-)
> > 
> > Maybe I can do so today.
> > 
> > The only think is, how can I find out if the bug is fixed? Is 7 days
> > enough? Or is there a change to force the bug to happen (or not)...?
> 
> Just try to run with the patch and do what you do normally. If you do
> not see any OOMs in few days it should be sufficient evidence. From your
> previous logs it seems you hit the problem quite early after few hours
> as far as I remember.

Did you have chance to run with the patch? I would like to post it for
inclusion and feedback from you is really useful.

Thanks!
-- 
Michal Hocko
SUSE Labs

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#1550502 — Re: [KERNEL] Re: [KERNEL] Re: Bug 4.9 and memorymanagement

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Hi Michal,

Am Mi den  4. Jan 2017 um  9:06 schrieb Michal Hocko:

> > Just try to run with the patch and do what you do normally. If you do
> > not see any OOMs in few days it should be sufficient evidence. From your
> > previous logs it seems you hit the problem quite early after few hours
> > as far as I remember.
> 
> Did you have chance to run with the patch? I would like to post it for
> inclusion and feedback from you is really useful.

Yes. It runs since 2017-01-01 and without problems until today.

I think it looks good but that is just my feeling. I don't know if it is
to early to say that.

I also did some heavy git repository actions to big repositories. The
system is in swap and still no OOMs.

Regards
   Klaus
- -- 
Klaus Ethgen                                       http://www.ethgen.ch/
pub  4096R/4E20AF1C 2011-05-16            Klaus Ethgen <Klaus@Ethgen.ch>
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#1550515 — Re: [KERNEL] Re: [KERNEL] Re: Bug 4.9 and memorymanagement

On Wed 04-01-17 09:15:27, Klaus Ethgen wrote:
> Hi Michal,
> 
> Am Mi den  4. Jan 2017 um  9:06 schrieb Michal Hocko:
> 
> > > Just try to run with the patch and do what you do normally. If you do
> > > not see any OOMs in few days it should be sufficient evidence. From your
> > > previous logs it seems you hit the problem quite early after few hours
> > > as far as I remember.
> > 
> > Did you have chance to run with the patch? I would like to post it for
> > inclusion and feedback from you is really useful.
> 
> Yes. It runs since 2017-01-01 and without problems until today.
> 
> I think it looks good but that is just my feeling. I don't know if it is
> to early to say that.
> 
> I also did some heavy git repository actions to big repositories. The
> system is in swap and still no OOMs.

OK, that is a good indication. I will add your Reported-by to the patch
and if you feel comfortable also Tested-by.

Thanks!
-- 
Michal Hocko
SUSE Labs

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#1550593 — Re: [KERNEL] Re: [KERNEL] Re: [KERNEL] Re: Bug 4.9 and memorymanagement

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Hash: SHA512

Hi Michal,

Am Mi den  4. Jan 2017 um  9:31 schrieb Michal Hocko:
> On Wed 04-01-17 09:15:27, Klaus Ethgen wrote:
> > Hi Michal,
> > 
> > Am Mi den  4. Jan 2017 um  9:06 schrieb Michal Hocko:
> > 
> > > > Just try to run with the patch and do what you do normally. If you do
> > > > not see any OOMs in few days it should be sufficient evidence. From your
> > > > previous logs it seems you hit the problem quite early after few hours
> > > > as far as I remember.
> > > 
> > > Did you have chance to run with the patch? I would like to post it for
> > > inclusion and feedback from you is really useful.
> > 
> > Yes. It runs since 2017-01-01 and without problems until today.
> > 
> > I think it looks good but that is just my feeling. I don't know if it is
> > to early to say that.
> > 
> > I also did some heavy git repository actions to big repositories. The
> > system is in swap and still no OOMs.
> 
> OK, that is a good indication. I will add your Reported-by to the patch
> and if you feel comfortable also Tested-by.

Yes, thats great by me. Just use Klaus@Ethgen.de (without +lkml). :-)
Thanks for working on that issue.

I'd like to give it until end of the day. Then it is full 3 days.

The longest time I had it running with broken version was once over 2
days, once once 3 days and once even 4 days (with sleeps in between).

However, then, I didn't give it heavy memory load.

Regards
   Klaus
- -- 
Klaus Ethgen                                       http://www.ethgen.ch/
pub  4096R/4E20AF1C 2011-05-16            Klaus Ethgen <Klaus@Ethgen.ch>
Fingerprint: 85D4 CA42 952C 949B 1753  62B3 79D0 B06F 4E20 AF1C
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