On Mon, 2013-12-09 at 10:43 -0800, Nat Gurumoorthy wrote: > The new tg3 driver leaves REG_BASE_ADDR (PCI config offset 120) > uninitialized. From power on reset this register may have garbage in it. The > Register Base Address register defines the device local address of a > register. The data pointed to by this location is read or written using > the Register Data register (PCI config offset 128). When REG_BASE_ADDR has > garbage any read or write of Register Data Register (PCI 128) will cause the > PCI bus to lock up. The TCO watchdog will fire and bring down the system. > > Is this to prevent problem from other software that may be scanning the PCI config space? It won't help if this happens before the tg3 driver is loaded, right?
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