Hi,

  I am using e1000e driver(version: 0.4.1.12-NAPI, firmware-version: 5.10-2)
. In dmesg I am seeing
0000:00:19.0: eth0: Detected Tx Unit Hang:
  TDH                  <b7>
  TDT                  <a3>
  next_to_use          <a3>
  next_to_clean        <b7>
buffer_info[next_to_clean]:
  time_stamp           <358fd1e>
  next_to_watch        <b7>
  jiffies              <3590670>
  next_to_watch.status <0>
0000:00:19.0: eth0: Detected Tx Unit Hang:
  TDH                  <b7>
  TDT                  <a3>
  next_to_use          <a3>
  next_to_clean        <b7>
buffer_info[next_to_clean]:
  time_stamp           <358fd1e>
  next_to_watch        <b7>
  jiffies              <3590e40>
  next_to_watch.status <0>
0000:00:19.0: eth0: Detected Tx Unit Hang:
  TDH                  <b7>
  TDT                  <a3>
  next_to_use          <a3>
  next_to_clean        <b7>
buffer_info[next_to_clean]:
  time_stamp           <358fd1e>
  next_to_watch        <b7>
  jiffies              <3591610>
  next_to_watch.status <0>
0000:00:19.0: eth0: Detected Tx Unit Hang:
  TDH                  <b7>
  TDT                  <a3>
  next_to_use          <a3>
  next_to_clean        <b7>
buffer_info[next_to_clean]:
  time_stamp           <358fd1e>
  next_to_watch        <b7>
  jiffies              <3591de0>
  next_to_watch.status <0>
NETDEV WATCHDOG: eth0: transmit timed out
0000:00:19.0: eth0: Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX

My  Nic card is,
00:19.0 Ethernet controller: Intel Corporation 82566DM-2 Gigabit Network
Connection (rev 02)

Can you please suggest me, how will I fix this issue.

Thanks,
Indira.
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