The difference in dmesg:
6.1
Warning: unable to open an initial console.
usb 8-1: new full-speed USB device number 2 using ohci-brcm
usb 2-1: new high-speed USB device number 2 using ehci-brcm
usb-storage 2-1:1.0: USB Mass Storage device detected
scsi host3: usb-storage 2-1:1.0
random: nonblocking pool is initialized
scsi 3:0:0:0: Direct-Access Seagate Expansion Desk 9401 PQ: 0 ANSI: 6
sd 3:0:0:0: Attached scsi generic sg0 type 0
sd 3:0:0:0: [sda] Spinning up disk...
.......ready
sd 3:0:0:0: [sda] Very big device. Trying to use READ CAPACITY(16).
sd 3:0:0:0: [sda] 7814037167 512-byte logical blocks: (4.00 TB/3.63 TiB)
sd 3:0:0:0: [sda] Write Protect is off
sd 3:0:0:0: [sda] Mode Sense: 4f 00 00 00
sd 3:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 3:0:0:0: [sda] Very big device. Trying to use READ CAPACITY(16).
sda: sda1
sd 3:0:0:0: [sda] Very big device. Trying to use READ CAPACITY(16).
sd 3:0:0:0: [sda] Attached SCSI disk
ata1: softreset failed (device not ready)
ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata1.00: ATA-8: SAMSUNG HD103SJ, 1AJ10001, max UDMA/133
ata1.00: 1953525168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata1.00: configured for UDMA/133
scsi 0:0:0:0: Direct-Access ATA SAMSUNG HD103SJ 0001 PQ: 0 ANSI: 5
sd 0:0:0:0: [sdb] 1953525168 512-byte logical blocks: (1.00 TB/931 GiB)
sd 0:0:0:0: Attached scsi generic sg1 type 0
sd 0:0:0:0: [sdb] Write Protect is off
sd 0:0:0:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sdb: sdb1
sd 0:0:0:0: [sdb] Attached SCSI disk
ata2: SATA link down (SStatus 0 SControl 300)
UBIFS: background thread "ubifs_bgt0_0" started, PID 71
UBIFS: mounted UBI device 0, volume 0, name "rootfs"
UBIFS: LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
UBIFS: FS size: 501682176 bytes (478 MiB, 3951 LEBs), journal size 9023488 bytes (8 MiB, 72 LEBs)
UBIFS: reserved for root: 0 bytes (0 KiB)
UBIFS: media format: w4/r0 (latest is w4/r0), UUID 3D59C8D0-47A4-4B54-B7C3-71B207646B40, small LPT model
VFS: Mounted root (ubifs filesystem) on device 0:13.
devtmpfs: mounted
Freeing unused kernel memory: 264K (808ee000 - 80930000)
EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
usbcore: registered new interface driver tpm
dvb: module_layout: kernel tainted.
Disabling lock debugging due to kernel taint
Console: switching to colour frame buffer device 160x45
input: dreambox remote control (native) as /devices/virtual/input/input0
input: dreambox advanced remote control (native) as /devices/virtual/input/input1
DVB: registering new adapter (dvb0)
platform dvb0.0: DVB: registering adapter 0 frontend 0 (DVB-S2)...
platform dvb0.0: DVB: registering adapter 0 frontend 1 (DVB-S2)...
platform dvb0.0: DVB: registering adapter 0 frontend 2 (DVB-C)...
6.2
[ 1.109000] Warning: unable to open an initial console.
[ 1.110000] UBIFS (ubi0:0): background thread "ubifs_bgt0_0" started, PID 88
[ 1.164000] usb 8-1: new full-speed USB device number 2 using ohci-brcm
[ 1.217000] UBIFS (ubi0:0): UBIFS: mounted UBI device 0, volume 0, name "rootfs"
[ 1.217000] UBIFS (ubi0:0): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
[ 1.217000] UBIFS (ubi0:0): FS size: 501682176 bytes (478 MiB, 3951 LEBs), journal size 9023488 bytes (8 MiB, 72 LEBs)
[ 1.217000] UBIFS (ubi0:0): reserved for root: 0 bytes (0 KiB)
[ 1.217000] UBIFS (ubi0:0): media format: w4/r0 (latest is w5/r0), UUID 96158F43-7EC8-41BC-8F25-4E67A974373C, small LPT model
[ 1.220000] VFS: Mounted root (ubifs filesystem) on device 0:12.
[ 1.222000] devtmpfs: mounted
[ 1.222000] Freeing unused kernel memory: 284K
[ 1.222000] This architecture does not have kernel memory protection.
[ 1.297000] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 320)
[ 1.302000] ata1.00: ATA-8: SAMSUNG HD103SJ, 1AJ10001, max UDMA/133
[ 1.302000] ata1.00: 1953525168 sectors, multi 0: LBA48 NCQ (depth 31/32)
[ 1.308000] ata1.00: configured for UDMA/133
[ 1.308000] ata1: EH complete
[ 1.308000] scsi 0:0:0:0: Direct-Access ATA SAMSUNG HD103SJ 0001 PQ: 0 ANSI: 5
[ 1.317000] sd 0:0:0:0: Attached scsi generic sg0 type 0
[ 1.318000] sd 0:0:0:0: [sda] 1953525168 512-byte logical blocks: (1.00 TB/932 GiB)
[ 1.318000] sd 0:0:0:0: [sda] Write Protect is off
[ 1.318000] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 1.318000] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 1.324000] sda: sda1
[ 1.325000] sd 0:0:0:0: [sda] Attached SCSI disk
[ 1.550000] random: crng init done
[ 1.684000] usb 2-1: new high-speed USB device number 2 using ehci-brcm
[ 1.835000] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
[ 1.977000] tpm: loading out-of-tree module taints kernel.
[ 1.981000] usbcore: registered new interface driver tpm
[ 5.031000] dvb: module_layout: kernel tainted.
[ 5.031000] Disabling lock debugging due to kernel taint
[ 8.271000] input: dreambox remote control (native) as /devices/virtual/input/input0
[ 8.272000] input: dreambox advanced remote control (native) as /devices/virtual/input/input1
[ 8.346000] dvbdev: DVB: registering new adapter (dvb0)
[ 8.347000] platform dvb0.0: DVB: registering adapter 0 frontend 0 (DVB-S2)...
[ 8.348000] platform dvb0.0: DVB: registering adapter 0 frontend 1 (DVB-S2)...
[ 8.349000] platform dvb0.0: DVB: registering adapter 0 frontend 2 (DVB-C)...