From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> Date: Tue, 23 Jun 2009 18:13:08 +0200 > On Tuesday 23 June 2009 16:58:54 Frans Pop wrote: >> So it seems to me that in 2.6.26 something was broken in the way these ID >> fields were handled, at least in this check. This is now fixed (possibly > > Great debugging work, thanks! Indeed, thanks for all of that work Frans! >> by the changes around 5b90e990..48fb2688) and *that* causes the >> regression. Note that the hard disks are also affected. > > I see it now -- in commit c419993 ("ide-iops: only clear DMA words > on setting DMA mode") we fixed a bug in ide_config_drive_speed().. > > [ It was a real bug resulting in incorrect data being passed to > the user-space through HDIO_GET_IDENTITY ioctl ('hdparm -i'). ] Given all of this I also agree that we should apply Bart's patch to remove the debugging check altogether, and I will thus do that right now. -- 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