matthieu castet wrote: > Hi, > > Albert Lee wrote: > >> Hi Matthieu, >> >> Thanks for the log. But could you please keep the VPRINTK() in the >> entrance of ata_host_intr() > > If I do that, everything works correctly : the printk should take more > than 3 us, and the altsatus is not busy when we read it. > Here is the log without moving the printk : > http://castet.matthieu.free.fr/tmp/ata_log.orig Hmm, the Uncertainty principle also applies to kernel debugging. :) > > The only thing I could do is to move the printk between altstatus and > status check and add one in idle_irq. > > Will it be usefull for you ? > > > Matthieu. > > >From your previous log, the timeout transacation is clearly logged and it does look like early irq. Can compare/see both timeout and normal behaviors of libata from both logs. So, the logs are good enough. Thanks and appreciates for the logs, :) Albert - : 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