On Tue, 14 Jan 2014 19:10:55 +0800 Gavin Shan <shangw@xxxxxxxxxxxxxxxxxx> wrote: > The problem happened only when BAR#0 and BAR#6 were allocated > from same non-profetchable P2P window. So we guessed the problem > had relationship with ROM BAR#6 and we read multiple bytes from > BAR#0+0x8069c: > > BAR#0+0x8069c: 0x00001000 > BAR#0+0x806a0: 0x0 > BAR#0+0x806a4: 0x0 > BAR#0+0x806a8: 0x0 > BAR#0+0x806ac: 0x0 > > My question is 0x0 is expected value from (BAR#0 + 0x806a*) ? :-) Yes, the first time the value is read from dword 0x8069c, it should be zero. -Jack -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html