Mark Lord wrote: >>> Dmesg: hotplug-in 3726 into 6145 , and the unplug, finally plug again >>> ata9: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen >>> ata9: irq_stat 0x02400000, PHY RDY changed >>> ata9: hard resetting link >>> ata9: SATA link up 3.0 Gbps (SStatus 123 SControl 300) >>> ata9.15: qc timeout (cmd 0xe4) >>> ata9.15: failed to read PMP GSCR[0] (Emask=0x4) >> >> Heh.. failing PMP READs. Doesn't look like there's anything else to do >> than disabling it. Will post a patch. > .. > > No kernel timestamps there, but I do wonder if somehow > the driver is polling too soon for the PMP? > I wonder if a short delay in there, before issuing the PMP read, > might help (or not)? The timeout is currently 3 secs and the timeout is mostly dependent on the PMP device and 3726 fares off fine with < 1sec timeouts, so I don't think it's because of short timeout. Thanks. -- tejun -- 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
