Re: e1000e: Avoid wrong check on TX hang

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On Wed, 2012-03-21 at 18:20 +0100, Joakim Tjernlund wrote:
> I think commit 09357b00255c233705b1cf6d76a8d147340545b8(e1000e: Avoid wrong check on TX hang)
> needs to be applied in 3.2.x (and 3.0.x) too.
> We have seen this on routers(we got 3):
> e1000e 0000:11:00.0: eth9: Detected Hardware Unit Hang:
>   TDH                  <a4>
>   TDT                  <a7>
>   next_to_use          <a7>
>   next_to_clean        <a4>
> buffer_info[next_to_clean]:
>   time_stamp           <1008e849f>
>   next_to_watch        <a4>
>   jiffies              <1008e85d8>
>   next_to_watch.status <0>
> MAC Status             <80387>
> PHY Status             <792d>
> PHY 1000BASE-T Status  <3800>
> PHY Extended Status    <3000>
> PCI Status             <10>
> Applying the above patch on 3.2.12 makes the error go away.
>    Jocke

Thanks Joakim, I am aware of the issue/fix.  I will submit the fix to
all stable tree's back to 2.6.32.  Look for me posting the patch this

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