On Friday 21 November 2008 17:25:22 Larry Finger wrote: > A problem was recently posted to the bcm43xx mailing list that I am unable to > solve. The machine in question is an HP Mini 2133 (HP product number FU346EA) > with a BCM4312 PCIe wireless card. This card is known to work with the b43 > driver (I have one.) and it does work on this machine - at least initially. > > A problem occurs when xdm/kde is started. Suddenly a read operation on device > hardware returns all ones as though the register does not exist, or if it were > suddenly mismapped. If the OP doesn't try to run xdm, the same problem will > eventually occur, it just takes longer. Can you dump PCI config space and SSB registers (TMSLOW, maybe others, too). It looks like a random bus write disabled the device. > [ 0.000000] Zone PFN ranges: > [ 0.000000] DMA 0x00000000 -> 0x00001000 > [ 0.000000] Normal 0x00001000 -> 0x000373fe > [ 0.000000] HighMem 0x000373fe -> 0x0006feb0 > > On my 64-bit HP machine, I see: > > Zone PFN ranges: > DMA 0x00000000 -> 0x00001000 > DMA32 0x00001000 -> 0x00100000 > Normal 0x00100000 -> 0x00100000 > > Is it "normal" for there not to be a DMA32 range with a 32-bit version of Linux? Yeah, I think so. -- Greetings Michael. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
