imx6 ethernet drops with sid kernel.
On one of the wandboard quads I use as an autobuilder for raspbian a
btrfs filesystem got into a state where mount hung. After some googling
the reccomended fix was a kernel upgrade so I upgraded to the kernel
from sid.
Linux bm-wb-01 4.3.0-1-armmp #1 SMP Debian 4.3.3-7 (2016-01-19) armv7l
GNU/Linux
However the board now seems to be having issues with ethernet dropping
from time to time. The most recent time it happened I was on the serial
console and saw the following messages.
[ 9348.474418] fec 2188000.ethernet eth0: MDIO read timeout
[ 9350.478804] fec 2188000.ethernet eth0: Link is Down
Some googling shows reports of similar issues but i'm not sure if/how
these apply to the Debian kernel.
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