> >> sd 0:0:0:0: Attached scsi disk sda > >> Vendor: PLEXTOR Model: DVDR PX-716A Rev: 1.09 > >> Type: CD-ROM ANSI SCSI revision: 05 > > > > Above and the detailed log too indicate that everything went smooth > > the first time around. Albert, do you have any ideas? Could it be > > something related to irq-pio? You cannot image how happy I was :) > I've checked Vincent't dmesg for 2.6.17-rc0 again. > (http://bugzilla.kernel.org/show_bug.cgi?id=5533) > (http://bugzilla.kernel.org/attachment.cgi?id=7700&action=view) > > It seems DMA commands are also affected by this problem, not > PIO unique. > After comparing the code of 2.6.17-rc4 and current libata > upstream, maybe "flush" is the fix: > The CDB was sent to the ATAPI device by PIO, but not flushed > to device. > So, the device was busy waiting for the CDB to arrive. > Hi Vincent, > Could you please try 2.6.17-rc4, both with and without the > attached patch, to see if the flush works. Thanks. On a pure 2.6.17-rc4 without upstream libata patches I presume? Sure I will tonight. I'll forward this patch to my home email address and come back to you. - vin - : 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
