Hello, On Fri, Nov 28, 2014 at 02:13:35PM +0400, Михаил wrote: > Technical description: > MacBook Air Model A1370 (googling as: Apple MacBook Air "Core i7" 1.8 11" > (Mid-2011)) > Disk A: Lacie Little Big Disk with Samsung HN-M101MBB 1 TB > Disk B: Lacie Little Big Disk with OCZ Vertex 3 > Disk C: Seagate thunderbolt Adapter from STCB3000400 with OCZ Vertex 3 > Disk D: Seagate thunderbolt Adapter from STCB3000400 with Samsung > HN-M101MBB 1 TB > > using copy cammand: dd if=/dev/sda(internal Mac Book disk) > of=/mnt/sdb1/test.dd bs=4M > > Test bench 1. Bootable distro based on Debian whezzy 7.2 stable from > October 12, 2013, kernel 3.2.0.4 > 1.1 Disk A (ext2). Stable copying speed = 81,4 MB/s. > 1.2 Disk B (ext2). Stable copying speed = 196 MB/s. !!!!! > 1.3 Disk C (ext2). Stable copying speed = 199 MB/s. > 1.4 Disk D (ext2). Stable copying speed = 87 MB/s. > > Test bench 2. Bootable distro based on Debian jessie from November 17, > 2014, kernel 3.16.7 + thunderbolt driver compiled in. > 2.1 Disk A (ext2). Stable copying speed = 94 MB/s. > 2.2 Disk B (ext2). Stable copying speed = 150 MB/s. !!!!!! > > Test bench 3. Bootable distro based on Debian jessie from November 17, > 2014, kernel 3.17.3 + thunderbolt driver compiled as module. > 3.1 Disk A (ext2). Stable copying speed = 97 MB/s. > 3.2 Disk B (ext2). Stable copying speed = 151 MB/s. > 3.3 Disk C (ext2). Stable copying speed = 156 MB/s. !!!!! > 3.4 Disk D (ext2). Stable copying speed = 108 MB/s. > > after and before insmod .../thunderbolt.ko the same results. Can you please post kernel boot messages from the old and new kernels? Thanks. -- tejun -- 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