> hda: status timeout: status=0xd0 { Busy } > ide: failed opcode was: unknown > hda: no DRQ after issuing MULTWRITE_EXT > ide0: unexpected interrupt, status=0x80, count=1 > ide0: reset: success > > ) sometimes when rqsize is set to 65536 altough I only do PIO transfer? If your hardware support for LBA48 is broken and you've not disabled LBA48 then your hardware will do many strange things. If however the hwif->no_lba48 is set then drive->addressing ends up as 0 so LBA48 commands should never be issued and rqsize should never get > 256. Alan - 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