On Sat, Nov 11, 2006 at 03:33:04AM +0900, Tejun Heo wrote: > Interestingly, at least one of such drives (ST960812A) has problems > dealing with FLUSH_EXT. It eventually completes the command but takes > around 7 seconds to finish in many cases thus drastically slowing down > IO transactions. This seems to be a firmware bug which sneaked into > production probably because no other ATA driver including linux IDE > issues FLUSH_EXT to drives which report support for LBA48 & FLUSH_EXT > but is smaller than 1<<28 blocks. Note that i'm quite sure that i have seen this on more than this single drive. It might be that those were all seagates, though. -- Stefan Seyfried QA / R&D Team Mobile Devices | "Any ideas, John?" SUSE LINUX Products GmbH, Nürnberg | "Well, surrounding them's out." - 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
