> PIO read/writes with wrong direction is not the only failure mode, > PATA sil680 also failed with disabling IRQ with some unsupported > commands such as Trusted Send (0x5E) even with perfect TF data. Given > that some ATA commands are optional, we may have a chance to hit the > trap even with well programmed code. That sounds very strange - I regularly test PATA controlles with unsupported commands and see the correct 0x04 abort patterns. > What would take to harden the PATA ISR code such that it fails more gracefully? First thing would be to work out why your system is behaving differently to the others. What is the trigger here. 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
