From: Zhu Yanjun
Date: Sat, 11 Nov 2017 10:42:03 -0500
> When "NETDEV WATCHDOG: em4 (bnx2x): transmit queue 2 timed out" occurs,
> BNX2X_SP_RTNL_TX_TIMEOUT is set. In the function bnx2x_sp_rtnl_task,
> bnx2x_nic_unload and bnx2x_nic_load are executed to shutdown and open
> NIC. In the function bn
When "NETDEV WATCHDOG: em4 (bnx2x): transmit queue 2 timed out" occurs,
BNX2X_SP_RTNL_TX_TIMEOUT is set. In the function bnx2x_sp_rtnl_task,
bnx2x_nic_unload and bnx2x_nic_load are executed to shutdown and open
NIC. In the function bnx2x_nic_load, bnx2x_alloc_mem allocates dma
failure. The message