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Re: 4.3-rc3 Regression: NFS access stall by commit 6ae459bdaaee

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On Tue, 29 Sep 2015 02:35:04 +0200,
Pravin Shelar wrote:
> 
> On Mon, Sep 28, 2015 at 6:12 AM, Takashi Iwai <tiwai@suse.de> wrote:
> > [I resent this since the previous mail didn't go out properly, as it
> >  seems; apologies if you already read it, please disregard]
> >
> > Hi,
> >
> > I noticed that NFS access from my workstation slowed down drastically,
> > almost stalls, with the fresh 4.3-rc3.  There are no particular kernel
> > errors / warnings.
> >
> > Then I performed git section, and it leaded to the commit:
> > 6ae459bdaaeebc632b16e54dcbabb490c6931d61
> >     skbuff: Fix skb checksum flag on skb pull
> >
> > Reverting this commit from 4.3-rc3 fixed the issue indeed.
> >
> > Could you take a look at this?  I added Trond to Cc in case he might
> > already know of it.
> >
> I send out fix for similar issue. Can you try the posted patch.
> https://patchwork.ozlabs.org/patch/523632/

Yes, the patch fixes the problem, thanks.  Feel free to take my
tested-by tag:
  Tested-by: Takashi Iwai <tiwai@suse.de>

But I guess the real fix is only the first chunk and the latter is
nothing but a cleanup?  If so, it'd be better to split it.


Takashi
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Re: 4.3-rc3 Regression: NFS access stall by commit 6ae459bdaaee Pravin Shelar <pshelar@nicira.com> - 2015-09-29 02:40 +0200
  Re: 4.3-rc3 Regression: NFS access stall by commit 6ae459bdaaee Takashi Iwai <tiwai@suse.de> - 2015-09-29 12:40 +0200
    Re: 4.3-rc3 Regression: NFS access stall by commit 6ae459bdaaee Pravin Shelar <pshelar@nicira.com> - 2015-09-29 19:40 +0200

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