As shown by this dmesg diff between 2.6.23 and 2.6.24-rc1, IDE's PMAC driver now decides to downgrade itself to PIO2 on this box. Is this intensional or a bug? --- dmesg-2.6.23 +++ dmesg-2.6.24-rc1 @@ -84,8 +89,9 @@ ide0: Found Apple Heathrow ATA controller, bus ID 0, irq 28 Probing IDE interface ide0... hda: MATSHITA CR-585, ATAPI CD/DVD-ROM drive +hda: applying conservative PIO "downgrade" +hda: host max PIO4 wanted PIO255(auto-tune) selected PIO2 hda: selected mode 0x21 -hda: Enabling MultiWord DMA 1 ide0 at 0xf1008000-0xf1008007,0xf1008160 on irq 28 ide1: Found Apple Heathrow ATA controller, bus ID 1, irq 30 Probing IDE interface ide1... /Mikael - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
