pci status error 0x2a80..

Hello,

In my linux driver for 82557 card on newly develpoed BSP for a 
MIPS board,

I am able to receive all the packets on LAN, but I amn't able to 
transmit any packet and get a pci status error 0x2a80.
Basic requirements like interupts , pci-dma all looks fine 
..though I
require to debug furher but i have a immediate question , that

pci status 0x2a80 tells me pci master and target abort ..but

1.I amn't able to understand after setting pci command register 
appropiately  ..why it happens?

2. even if it reports pci master and target abort how the card is 
able to receive packets continously..

Best Regards,
Ashish Anand

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