I must admit I was suprised by this, but it was the FIX_TXDESC_ATOMIC flag that
fixed the problem. I just set the following flags and the NIC stopped hanging:
-DFIX_6888015 \
-DDBG_TXDESC_DUMP \
-DFIX_SYS_ERR_INT \
-DFIX_TX_TIMEOUT \
-DFIX_TXDESC_ATOMIC \
Performance does improve with the all the flags set. I have been using iometer
on a CIFS filesystem with these tests and with only the flags above I was
getting ~750 Mbps. It jumped to ~900 Mbps with all the flags defined.
Yannis
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