Apr 19 07:49:14 ubuntu kernel: [  743.853812] mmc0: Tuning timeout, falling back to fixed sampling clock
Apr 19 07:49:14 ubuntu kernel: [  743.853872] mmc0: Unexpected interrupt 0x04000000.
Apr 19 07:49:14 ubuntu kernel: [  743.853879] mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========
Apr 19 07:49:14 ubuntu kernel: [  743.853886] mmc0: sdhci: Sys addr:  0x00000000 | Version:  0x00001502
Apr 19 07:49:14 ubuntu kernel: [  743.853893] mmc0: sdhci: Blk size:  0x00007040 | Blk cnt:  0x00000008
Apr 19 07:49:14 ubuntu kernel: [  743.853900] mmc0: sdhci: Argument:  0x00010000 | Trn mode: 0x00000010
Apr 19 07:49:14 ubuntu kernel: [  743.853906] mmc0: sdhci: Present:   0x1fff0001 | Host ctl: 0x0000001f
Apr 19 07:49:14 ubuntu kernel: [  743.853913] mmc0: sdhci: Power:     0x0000000f | Blk gap:  0x00000000
Apr 19 07:49:14 ubuntu kernel: [  743.853920] mmc0: sdhci: Wake-up:   0x00000000 | Clock:    0x00000007
Apr 19 07:49:14 ubuntu kernel: [  743.853927] mmc0: sdhci: Timeout:   0x0000000a | Int stat: 0x00000000
Apr 19 07:49:14 ubuntu kernel: [  743.853933] mmc0: sdhci: Int enab:  0x02ff008b | Sig enab: 0x02ff008b
Apr 19 07:49:14 ubuntu kernel: [  743.853940] mmc0: sdhci: AC12 err:  0x00000000 | Slot int: 0x00000000
Apr 19 07:49:14 ubuntu kernel: [  743.853947] mmc0: sdhci: Caps:      0x176ec8b0 | Caps_1:   0x03002177
Apr 19 07:49:14 ubuntu kernel: [  743.853954] mmc0: sdhci: Cmd:       0x00000d1a | Max curr: 0x00000000
Apr 19 07:49:14 ubuntu kernel: [  743.853960] mmc0: sdhci: Resp[0]:   0x00000900 | Resp[1]:  0x00000000
Apr 19 07:49:14 ubuntu kernel: [  743.853967] mmc0: sdhci: Resp[2]:   0x00000000 | Resp[3]:  0x00000000
Apr 19 07:49:14 ubuntu kernel: [  743.853972] mmc0: sdhci: Host ctl2: 0x0000800c
Apr 19 07:49:14 ubuntu kernel: [  743.853981] mmc0: sdhci: ADMA Err:  0x00000001 | ADMA Ptr: 0x000000045b484204
Apr 19 07:49:14 ubuntu kernel: [  743.853983] mmc0: sdhci: ============================================
Apr 19 07:49:14 ubuntu kernel: [  743.854053] mmcblk0: error -110 sending status command, retrying
Apr 19 07:49:14 ubuntu kernel: [  743.854143] mmcblk0: error -110 sending status command, aborting
Apr 19 07:49:14 ubuntu kernel: [  743.854154] print_req_error: I/O error, dev mmcblk0, sector 0
Apr 19 07:49:14 ubuntu kernel: [  743.854160] Buffer I/O error on dev mmcblk0, logical block 0, async page read
Apr 19 07:49:14 ubuntu kernel: [  743.854192] ldm_validate_partition_table(): Disk read failed.