> Additionally fs/partitions/check.c:rescan_partitions() should warn if the > partition exceeds device size and we are not seeing any such warning. Why would it if there isn't anything wrong ? The same disks just work in libata even with the hpa being disabled. It closed a pile of long standing bugzillas about such problems with odd sized disks. This therefore (and instrumenting the requests being issued when I first looked at it) made me fairly sure its not the drive. I was seeing 1K requests for the last 512 byte sector. 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