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

[Pravin Shelar]

On Mon, Sep 28, 2015 at 6:12 AM, Takashi Iwai <tiwai@xxxxxxx> 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.
>

I have seen error reports related to IPv6 traffic which I am
debugging. Are you trying access NFS over IPv6?


> 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.
>
>
> thanks,
>
> Takashi
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