https://bugzilla.kernel.org/show_bug.cgi?id=186551 --- Comment #10 from Tamas Vincze <tom@xxxxxxxxxx> --- # blkdiscard -v --offset 700G --step 1073741824 /dev/nvme0n1p1 blkdiscard: /dev/nvme0n1p1: BLKDISCARD ioctl failed: Input/output error [606050.283746] blk_update_request: I/O error, dev nvme0n1, sector 1547700224 # blkdiscard -v --length=700G /dev/nvme0n1p1 /dev/nvme0n1p1: Discarded 751619276800 bytes from the offset 0 Looks like it's having problems above 700G. -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html