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Date:   Wed, 30 Aug 2017 10:24:07 +0200
From:   Greg KH <>
To:     Chiwu Yung <>
Subject: Re: (Kernel Bug report) Make kaby lake cpu crash Ethernet

On Wed, Aug 30, 2017 at 04:16:54PM +0800, Chiwu Yung wrote:
> Hello Sir, i am using cpu i7 7700k kaby lake, i have no overclock the
> CPU but i think  i7 7700k come across with Ethernet crash issue. Don't
> know why  it will keeping crash.
> I tested the kernel since 4.8 - 4.12 almost 2-3months and i can see
> that the issue is still exist.
> Kernel error then the Ethernet is stop responded after that machine
> crash, i need to force reboot the computer.
> PS: there are no cpu overclock , latest Bios ver. Centos7 with 4.12.8 kernel
> Thank you for your help!
> --------------------------------------------------------
> Error Log
> --------------------------------------------------------
> enp:s 6: Reset adapter unexpectedly[47438.8192131 e1808e 8000:88:11.6
> enp8s31f6: Reset adapter unexpectedly
> [112822.759818] el008e 8800:88:1f.6 enp0s3116: Reset adapter
> unexpectedly 1112838.119047] el888e 8808:80:1f.6 enp8s31f6: Reset
> adapter unexpectedly
> [112852-967086] e1800e 8000:00:11.6 enp8s31f6: Reset adapter
> unexpectedly 1128194.823488] e1000e 0008:80:1f.6 enp8s31f6: Reset
> adapter unexpectedly
> [128213.991461] e1808e 0000:00:11.6 enp8s31f6: Reset adapter unexpectedly
> [128228.839481] 0.800e 0000:08:1f.6 enp8s31f6: Reset adapter unexpectedly
> [128283.111491] el880e 0808:08:11.6 enp0s31f6: Reset adapter unexpectedly
> [123287.815631] e1800e 0000:08:11.6 enp8s31f6: Reset adapter
> unexpectedly 1124878.8237221 el888e 0088:00:1f.6 enp0s3116: Reset
> adapter unexpectedly
> [124878.843883] kernel BUG at drivers/net/ethernet/intel/e1880e/netdev.c:38111

That driver is not in the releases, so there's nothing we can
do about it.  Please contact the authors of the driver you are using
here, wherever you downloaded it from, and they can help you out.

good luck!

greg k-h

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