I had to switch off the Box and the problem occurred again.
I see that there are some ECC and table errors, but I do not know if this is the possible cause or it is unessential. From what I see googleing it seems not, at first sight, but I do not know.
The log:
09:34:2d:a6:67)
[ 0.376000] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.377000] brcm-pm: enabling usb clocks
[ 0.377000] ehci-brcm ehci-brcm.0: Broadcom STB EHCI
[ 0.378000] ehci-brcm ehci-brcm.0: new USB bus registered, assigned bus number 1
[ 0.410000] ehci-brcm ehci-brcm.0: irq 62, io mem 0x10480300
[ 0.416000] ehci-brcm ehci-brcm.0: USB 0.0 started, EHCI 1.00
[ 0.417000] hub 1-0:1.0: USB hub found
[ 0.418000] hub 1-0:1.0: 2 ports detected
[ 0.418000] ehci-brcm ehci-brcm.1: Broadcom STB EHCI
[ 0.419000] ehci-brcm ehci-brcm.1: new USB bus registered, assigned bus number 2
[ 0.451000] ehci-brcm ehci-brcm.1: irq 57, io mem 0x10480500
[ 0.457000] ehci-brcm ehci-brcm.1: USB 0.0 started, EHCI 1.00
[ 0.458000] hub 2-0:1.0: USB hub found
[ 0.459000] hub 2-0:1.0: 2 ports detected
[ 0.459000] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.460000] ohci-brcm ohci-brcm.0: Broadcom STB OHCI
[ 0.461000] ohci-brcm ohci-brcm.0: new USB bus registered, assigned bus number 3
[ 0.462000] ohci-brcm ohci-brcm.0: irq 63, io mem 0x10480400
[ 0.527000] hub 3-0:1.0: USB hub found
[ 0.528000] hub 3-0:1.0: 2 ports detected
[ 0.529000] ohci-brcm ohci-brcm.1: Broadcom STB OHCI
[ 0.529000] ohci-brcm ohci-brcm.1: new USB bus registered, assigned bus number 4
[ 0.530000] ohci-brcm ohci-brcm.1: irq 64, io mem 0x10480600
[ 0.596000] hub 4-0:1.0: USB hub found
[ 0.597000] hub 4-0:1.0: 2 ports detected
[ 0.598000] Initializing USB Mass Storage driver...
[ 0.599000] usbcore: registered new interface driver usb-storage
[ 0.599000] USB Mass Storage support registered.
[ 0.600000] i2c /dev entries driver
[ 0.600000] ALSA device list:
[ 0.601000] No soundcards found.
[ 0.602000] TCP cubic registered
[ 0.602000] NET: Registered protocol family 17
[ 0.603000] Registering the dns_resolver key type
[ 0.603000] EBI CS1: setting up NAND flash (primary)
[ 0.604000] mtd->oobsize=0, mtd->eccOobSize=0
[ 0.605000] NAND_CS_NAND_XOR=00000000
[ 0.605000] B4: NandSelect=40000202, nandConfig=48252300, chipSelect=1
[ 0.606000] brcmnand_read_id: CS1: dev_id=ecd310a6
[ 0.607000] After: NandSelect=40000202, nandConfig=48252300
[ 0.607000] Block size=00040000, erase shift=18
[ 0.608000] NAND Config: Reg=48252300, chipSize=1024 MB, blockSize=256K, erase_shift=12
[ 0.609000] busWidth=1, pageSize=4096B, page_shift=12, page_mask=00000fff
[ 0.610000] timing1 not adjusted: 5363444f
[ 0.610000] timing2 not adjusted: 00000fc6
[ 0.611000] eccLevel=15, 1Ksector=0, oob=16
[ 0.611000] nbrBitsPerCell=2, cellinfo=0, chip->cellinfo=00000000
[ 0.612000] <--brcmnand_set_acccontrol: acc b4: f7ff1010, after: f7ff1010
[ 0.613000] BrcmNAND mfg ec d3 Samsung K9F8G08U0M 1024MB on CS1
[ 0.613000]
[ 0.614000] Found NAND on CS1: ACC=f7ff1010, cfg=48252300, flashId=ecd310a6, tim1=5363444f, tim2=00000fc6
[ 0.615000] BrcmNAND version = 0x0302 1024MB @00000000
[ 0.615000] B4: NandSelect=40000202, nandConfig=48252300, chipSelect=1
[ 0.616000] brcmnand_read_id: CS1: dev_id=ecd310a6
[ 0.617000] After: NandSelect=40000202, nandConfig=48252300
[ 0.617000] Found NAND flash on Chip Select 1, chipSize=1024MB, usable size=1024MB, base=0
[ 0.618000] brcmnand_scan: B4 nand_select = 40000202
[ 0.619000] brcmnand_scan: After nand_select = 40000202
[ 0.620000] page_shift=12, bbt_erase_shift=18, chip_shift=30, phys_erase_shift=18
[ 0.621000] Brcm NAND controller version = 3.2 NAND flash size 1024MB @00000000
[ 0.621000] ECC layout=brcmnand_oob_128
[ 0.622000] brcmnand_scan: mtd->oobsize=128
[ 0.622000] brcmnand_scan: oobavail=102, eccsize=512, writesize=4096
[ 0.623000] brcmnand_scan, eccsize=512, writesize=4096, eccsteps=8, ecclevel=15, eccbytes=3
[ 0.624000] -->brcmnand_default_bbt
[ 0.625000] brcmnand_default_bbt: bbt_td = bbt_main_descr
[ 0.625000] brcmnand_ctrl_verify_ecc: Correctable ECC error at 00010000:3ffc0000
[ 0.626000] brcmnand_ctrl_verify_ecc: Correctable ECC error at 00010000:3ffc0600
[ 0.627000] brcmnand_ctrl_verify_ecc: Correctable ECC error at 00010000:3ffc0c00
[ 0.629000] Bad block table Bbt0 found at page 0003ff80, version 0x01 for chip on CS1
[ 0.629000] brcmnand_ctrl_verify_ecc: Correctable ECC error at 00010000:3ffc0000
[ 0.630000] brcmnand_ctrl_verify_ecc: Correctable ECC error at 00010000:3ffc0600
[ 0.631000] brcmnand_ctrl_verify_ecc: Correctable ECC error at 00010000:3ffc0c00
[ 0.633000] Bad block table 1tbB found at page 0003ff40, version 0x01 for chip on CS1
[ 0.634000] nand_read_bbt: Bad block at 0x3ffc0000
[ 0.634000] brcmnandCET: Did not find CET, recreating
[ 0.640000] brcmnandCET: Status -> Deferred
[ 0.641000] Adjust partition complete size from 40000000 to 3ff00000 to avoid overlap with BBT reserved space
[ 0.642000] Adjust partition root size from 3f800000 to 3f700000 to avoid overlap with BBT reserved space
[ 0.644000] Creating 4 MTD partitions on "brcmnand.0":
[ 0.644000] 0x000000000000-0x00003ff00000 : "complete"
[ 0.650000] 0x000000000000-0x000000100000 : "loader"
[ 0.652000] 0x000000100000-0x000000800000 : "boot"
[ 0.654000] 0x000000800000-0x00003ff00000 : "root"
[ 0.662000] UBI: attaching mtd3 to ubi0
[ 0.662000] UBI: physical eraseblock size: 262144 bytes (256 KiB)
[ 0.663000] UBI: logical eraseblock size: 253952 bytes
[ 0.664000] UBI: smallest flash I/O unit: 4096
[ 0.664000] UBI: VID header offset: 4096 (aligned 4096)
[ 0.665000] UBI: data offset: 8192
[ 0.954000] usb 3-2: new full-speed USB device number 2 using ohci-brcm
[ 1.137000] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 1.204000] ata1.00: ATA-7: ST3250820SCE, 3.ACD, max UDMA/133
[ 1.205000] ata1.00: 488397168 sectors, multi 0: LBA48 NCQ (depth 0/32)
[ 1.279000] ata1.00: configured for UDMA/133
[ 1.280000] scsi 0:0:0:0: Direct-Access ATA ST3250820SCE 3.AC PQ: 0 ANSI: 5
[ 1.282000] sd 0:0:0:0: [sda] 488397168 512-byte logical blocks: (250 GB/232 GiB)
[ 1.283000] sd 0:0:0:0: [sda] Write Protect is off
[ 1.284000] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 1.284000] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 1.335000] sda: sda1
[ 1.337000] sd 0:0:0:0: [sda] Attached SCSI disk
[ 1.608000] ata2: SATA link down (SStatus 4 SControl 300)
[ 4.998000] UBI: max. sequence number: 81
[ 5.019000] UBI: attached mtd3 to ubi0
[ 5.020000] UBI: MTD device name: "root"
[ 5.020000] UBI: MTD device size: 1015 MiB
[ 5.021000] UBI: number of good PEBs: 4060
[ 5.022000] UBI: number of bad PEBs: 0
[ 5.022000] UBI: number of corrupted PEBs: 0
[ 5.023000] UBI: max. allowed volumes: 128
[ 5.023000] UBI: wear-leveling threshold: 4096
[ 5.024000] UBI: number of internal volumes: 1
[ 5.024000] UBI: number of user volumes: 2
[ 5.025000] UBI: available PEBs: 0
[ 5.025000] UBI: total number of reserved PEBs: 4060
[ 5.026000] UBI: number of PEBs reserved for bad PEB handling: 40
[ 5.027000] UBI: max/mean erase counter: 2/0
[ 5.027000] UBI: image sequence number: 566634073
[ 5.030000] UBI: background thread "ubi_bgt0d" started, PID 51
[ 5.103000] UBIFS: recovery needed
[ 5.489000] UBIFS: recovery completed
[ 5.489000] UBIFS: mounted UBI device 0, volume 0, name "rootfs"
[ 5.490000] UBIFS: file system size: 413941760 bytes (404240 KiB, 394 MiB, 1630 LEBs)
[ 5.491000] UBIFS: journal size: 9404416 bytes (9184 KiB, 8 MiB, 38 LEBs)
[ 5.492000] UBIFS: media format: w4/r0 (latest is w4/r0)
[ 5.493000] UBIFS: default compressor: lzo
[ 5.493000] UBIFS: reserved for root: 0 bytes (0 KiB)
[ 5.496000] VFS: Mounted root (ubifs filesystem) on device 0:13.
[ 5.499000] devtmpfs: mounted
[ 5.500000] Freeing unused kernel memory: 224k freed
[ 6.619000] EXT4-fs (sda1): recovery complete
[ 6.619000] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
[ 6.818000] UBIFS: recovery needed
[ 6.877000] UBIFS: recovery completed
[ 6.877000] UBIFS: mounted UBI device 0, volume 1, name "data"
[ 6.878000] UBIFS: file system size: 600342528 bytes (586272 KiB, 572 MiB, 2364 LEBs)
[ 6.879000] UBIFS: journal size: 29966336 bytes (29264 KiB, 28 MiB, 118 LEBs)
[ 6.880000] UBIFS: media format: w4/r0 (latest is w4/r0)
[ 6.880000] UBIFS: default compressor: lzo
[ 6.881000] UBIFS: reserved for root: 4952683 bytes (4836 KiB)
[ 7.024000] stb_core: module license 'Proprietary' taints kernel.
[ 7.025000] Disabling lock debugging due to kernel taint
[ 8.879000] enter base init, xvd 20100413, vdc 20100413, rap 20100719, xpt 20110228
[ 9.345000] 9:344010796 SMCA: controller reset timed out
[ 9.355000] 9:354011675 SMCB: controller reset timed out
[ 9.972000] register adapter
[ 9.974000] register adapter
[ 9.993000] register adapter
[ 10.006000] register adapter
[ 10.020000] FP Version 6
[ 10.028000] input: dreambox front panel as /devices/virtual/input/input0
[ 10.042000] fpga init
[ 11.408000] done OK 0
[ 11.408000] using fpga version 47
[ 11.409000] tsmux set tsports reg 00 to val 00
[ 11.409000] tsmux set tsports reg 01 to val 01
[ 11.410000] tsmux set tsports reg 02 to val 02
[ 11.410000] tsmux set tsports reg 03 to val 03
[ 11.411000] tsmux set tsports reg 04 to val 04
[ 11.411000] tsmux set tsports reg 05 to val 05
[ 11.412000] tsmux set ciclk reg 34 to val 00
[ 11.413000] tsmux set cisource reg 06 to val 00
[ 11.413000] tsmux set ciclk reg 34 to val 00
[ 11.414000] tsmux set cisource reg 07 to val 01
[ 11.416000] set sb to 3(2)
[ 11.416000] set fb to 2(-1)
[ 11.417000] keys c7
[ 11.417000] set input to 0
[ 11.417000] set fb to 2(-1)
[ 11.422000] bcm_video_analog_port_setup (fmt=7)
[ 11.423000] SET FORMAT: display[1], format=7
[ 11.423000] display 0 uses vbi path 1
[ 11.424000] display 1 uses vbi path 0
[ 11.425000] HDMI: now powered down
[ 11.458000] HDMI: EDID read ok
[ 11.458000] HDMI: initial mode set!
[ 11.459000] using 50.00Hz as MonitorRefreshRate
[ 11.459000] SET FORMAT: display[0], format=37
[ 11.460000] HDMI mode
[ 11.460000] use EDID to detect colorspace
[ 11.461000] using colorspace: 1
[ 11.488000] HDMI: use logical CEC address 3
[ 11.516000] set fb to 2(0)
[ 11.516000] bcm_video_analog_port_setup (fmt=7)
[ 11.517000] SET FORMAT: display[1], format=7
[ 11.522000] disable wss on display 0
[ 11.522000] disable wss on display 1
[ 11.524000] bcmfb: creating surface with pixel format 0x07e48888 (BPXL_eA8_R8_G8_B8)
[ 11.625000] CEC send ok!
[ 11.658000] enable mad
[ 11.702000] VIDEO0: set fallback framerate to 60000
[ 11.702000] VIDEO0: set progressive override mode to 1
[ 11.703000] VIDEO0: set streamtype!
[ 11.704000] set MPEG2
[ 11.704000] sw rave disabled!
[ 11.706000] enable mad
[ 11.706000] VIDEO1: set fallback framerate to 60000
[ 11.707000] VIDEO1: set progressive override mode to 1
[ 11.708000] VIDEO1: set streamtype!
[ 11.708000] set MPEG2
[ 11.708000] sw rave disabled!
[ 11.712000] sync is off so we enable it
[ 11.713000] playback!
[ 11.713000] total video delay: 0 (0 ms)
[ 11.717000] VIDEO0: start decode
[ 11.717000] flush video decoder
[ 11.717000] VIDEO0 got pts failed !!!! (ret 0)
[ 13.061000] set ac3 to downmix
[ 13.061000] set ac3plus to use_hdmi_caps
[ 13.062000] set aac to downmix
[ 13.062000] init ALSA!
[ 13.101000] VIDEO0: first pts 0x0
[ 13.146000] DVB: registering new adapter (BCM7405)
[ 13.252000] enable tsm0
[ 13.315000] autodetecting NIMs...
[ 13.315000] slot 0
[ 13.318000] ret: 2, feid: 13
[ 13.318000] Found: Slot 0, ID: 13 (by CA)
[ 13.319000] slot 1
[ 13.325000] ret: 2, feid: 13
[ 13.325000] Found: Slot 1, ID: 13 (by CA)
[ 13.326000] Initializing adapter 0 (BCM4505-DVB-S2)
[ 13.398000] bcm4506: found 4505, revision 0(b0)
[ 13.399000] bcm4506: bcm_initAP
[ 13.411000] bcm4506: upload & start firmware
[ 15.562000] bcm4506: bcm4506: ap not running - start now
[ 15.619000] bcm4506: uCode 0x61
[ 15.636000] bcm4506: no bcm3445 detected
[ 15.649000] DVB: registering adapter 0 frontend 0 (bcm4506)...
[ 15.680000] Initializing adapter 2 (BCM4505-DVB-S2)
[ 15.739000] bcm4506: found 4505, revision 0(b0)
[ 15.739000] bcm4506: bcm_initAP
[ 15.746000] bcm4506: upload & start firmware
[ 17.757000] bcm4506: bcm4506: ap not running - start now
[ 17.805000] bcm4506: uCode 0x61
[ 17.822000] bcm4506: no bcm3445 detected
[ 17.835000] DVB: registering adapter 0 frontend 1 (bcm4506)...
[ 19.081000] VIDEO0: stop decode
[ 19.082000] no decoder left in sync handling so disable xpt_sync
[ 19.095000] CI stopped...
[ 19.102000] CI stopped...
[ 19.112000] registered vtuner misc/vtuner0, minor 54
[ 19.115000] registered vtuner misc/vtuner1, minor 53
[ 19.116000] IR-TX init!
[ 42.036000] input: dreambox remote control (native) as /devices/virtual/input/input1
[ 42.050000] input: dreambox advanced remote control (native) as /devices/virtual/input/input2
[ 42.075000] input: dreambox ir keyboard as /devices/virtual/input/input3
[ 42.090000] input: dreambox ir mouse as /devices/virtual/input/input4
[ 42.881000] 4037848 ms:
[ 42.937000] 56 ms: 06
[ 42.965000] 28 ms: 10
[ 43.042000] using 50.00Hz as MonitorRefreshRate
[ 43.162000] SET FORMAT: display[0], format=27
[ 43.162000] HDMI mode
[ 43.162000] use EDID to detect colorspace
[ 43.163000] using colorspace: 1
[ 43.243000] bcm_video_analog_port_setup (fmt=7)
[ 43.362000] SET FORMAT: display[1], format=7
[ 43.482000] set current avs auto aspect to 16:9
[ 43.482000] disable wss on display 0
[ 43.483000] disable wss on display 1
[ 43.483000] set sb to 3(1)
[ 43.540000] 575 ms: 20
[ 43.549000] VIDEO0: set blank to 0
[ 43.550000] sync is off so we enable it
[ 43.551000] playback!
[ 43.551000] total video delay: 0 (0 ms)
[ 43.555000] VIDEO0: start decode
[ 43.556000] flush video decoder
[ 43.662000] VIDEO0: first pts 0x0
[ 43.662000] VIDEO0: framerate changed 3
[ 43.663000] VIDEO0: resolution changed (1280 720)
[ 43.663000] VIDEO0: aspect changed 3
[ 43.664000] set current avs auto aspect to 16:9
[ 43.665000] disable wss on display 0
[ 43.665000] disable wss on display 1
[ 43.666000] set current avs auto aspect to 16:9
[ 43.667000] disable wss on display 0
[ 43.667000] disable wss on display 1
[ 43.668000] set sb to 3(1)
[ 43.757000] VIDEO0: set blank to 0
[ 43.758000] VIDEO0: stop decode
[ 43.758000] VIDEO0: set blank to 0
[ 43.759000] no decoder left in sync handling so disable xpt_sync
[ 44.487000] 946 ms: 30
[ 44.519000] 32 ms: 40
[ 46.380000] NET: Registered protocol family 10
[ 47.382000] VIDEO0: set blank to 0
[ 47.383000] sync is off so we enable it
[ 47.384000] playback!
[ 47.384000] total video delay: 0 (0 ms)
[ 47.395000] VIDEO0: start decode
[ 47.398000] flush video decoder
[ 47.522000] VIDEO0: first pts 0x0
[ 47.620000] VIDEO0: set blank to 0
[ 47.621000] VIDEO0: stop decode
[ 47.621000] VIDEO0: set blank to 0
[ 47.622000] no decoder left in sync handling so disable xpt_sync
[ 56.546000] eth0: no IPv6 routers present
Off to reload the firmware and the rest...
Thank you in advance for any hint!
Sleepy