> > Not experimental as we default to not doing ATAPI DMA. Glancing over the > > Which is a regression compared to the "old IDE" driver. And given the two drivers show the difference when exactly the sequence of I/O writes/reads occurs one that nobody plans to worry about as its clearly some kind of hardware timing issue. > > code I notice the ALI C2/C3 workaround probably wants adding to the old > > driver as it can do nasty things otherwise. (See the reset function in > > the pata_ali driver) > > Please let the driver's maintainer know about it. > > One would wonder why workaround hasn't been back-ported to stable driver It's in the stable driver, might not be in drivers/ide. The note about it being missing was posted out to various people at the time so I guess it got missed > > > PATA_CMD64X: EXPERIMENTAL > > > - potential data corruption issues remains unfixed for CMD64[3,6] > > > > Patch in testing, and unlike the old IDE one it doesn't cripple the > > controller but implements the proper workaround in full including > > permitting parallel PIO command streams. I'll push that back through > > stable once done. > > This patch is way too complex and risky for -rc, let alone -stable. How would you know - I've not posted it yet ? And btw I don't plan to post it for the -rc. Nor would simply posting a serializing hack fix it. It might make it less likely to occur but that isn't a fix. > > it. Trivial and fixed. > > I can't see a fix anywhere but I'll assume that I can't look for it > properly (I'm really sorry for it). Fixed as in I fixed it now. Which is why I just noticed the old IDE ones are buggy. I'll add it to the next patch sets for Jeff, along with the Toshiba driver and some other bits. 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
