I am wondering if it's even caused by the jailbreak. Is the flash memory just dead?
Here is a log if someone can help me out:
[   58.887965] imx2-wdt imx2-wdt.0: Device shutdown: Expect reboot!
[   58.895259] Restarting system.
HW
U-Boot 2009.08-lab126 (Dec 03 2021 - 04:34:48)
CPU: Freescale i.MX6 family TO0.0 at 996 MHz
Temperature:   29 C, calibration data 0x58950f5f
mx6sl pll1: 996MHz
mx6sl pll2: 528MHz
mx6sl pll3: 480MHz
mx6sl pll8: 50MHz
ipg clock     : 66000000Hz
ipg per clock : 66000000Hz
uart clock    : 80000000Hz
cspi clock    : 60000000Hz
ahb clock     : 132000000Hz
axi clock   : 198000000Hz
emi_slow clock: 22000000Hz
ddr clock     : 396000000Hz
usdhc1 clock  : 198000000Hz
usdhc2 clock  : 198000000Hz
usdhc3 clock  : 198000000Hz
usdhc4 clock  : 198000000Hz
MMC:  FSL_ESDHC: 0,FSL_ESDHC: 1,FSL_ESDHC: 2
Board: Pinot WFO
Boot Reason: [ POR ]
Boot Device: NAND
Board Id: 0272201144330SEP
S/N: 9017220144640DN2
I2C:   ready
DRAM:  256 MB
Using default environment
In:    serial
Out:   serial
Err:   serial
Quick Memory Test 0x80000000, 0xfff0000
POST done in 57 ms
BOOTMODE OVERRIDE: DIAGS
Battery voltage: 3980 mV
Hit any key to stop autoboot:  0
## Booting kernel from Legacy Image at 80800000 ...
   Image Name:   Linux-3.0.35-lab126
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    2420504 Bytes =  2.3 MB
   Load Address: 80008000
   Entry Point:  80008000
   Verifying Checksum ... OK
   Loading Kernel Image ... OK
OK
Starting kernel ...
[    0.000000] Linux version 3.0.35-lab126 (jenkins-official@sjc10-jbuild10) (co                                                                             llect2: ld returned 1 exit status) #1 Wed Apr 23 16:52:30 PDT 2014
[    0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c53c7d
[    0.000000] CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] Machine: Freescale i.MX 6SoloLite based Wario Board
[    0.000000] Ignoring unrecognised tag 0x54410011
[    0.000000] Will try to place printk log at 8fffc000
[    0.000000] Memory policy: ECC disabled, Data cache writeback
[    0.000000] CPU identified as i.MX6SoloLite, silicon rev 1.2
[    0.000000] On node 0 totalpages: 65536
[    0.000000] free_area_init_node: node 0, pgdat c04dcc94, node_mem_map c200000                                                                             0
[    0.000000]   DMA zone: 64 pages used for memmap
[    0.000000]   DMA zone: 0 pages reserved
[    0.000000]   DMA zone: 8128 pages, LIFO batch:0
[    0.000000]   Normal zone: 448 pages used for memmap
[    0.000000]   Normal zone: 56896 pages, LIFO batch:15
[    0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[    0.000000] pcpu-alloc: [0] 0
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pag                                                                             es: 65024
[    0.000000] Kernel command line: rootwait log_pos_goal=0x8fffc000 console=tty                                                                             mxc0,115200 root=/dev/mmcblk0p2 ro ip=off debug video=mxcepdcfb:E60,bpp=8,x_mem=                                                                             3M
[    0.000000] Prink buffer will be relocated to physical address: 8fff2000
[    0.000000] log_buf_len: 32768
[    0.000000] early log buf free: 31286(95%)
[    0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[    0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[    0.000000] Memory: 256MB = 256MB total
[    0.000000] Memory: 254652k/254652k available, 7492k reserved, 0K highmem
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
[    0.000000]     DMA     : 0xfde00000 - 0xffe00000   (  32 MB)
[    0.000000]     vmalloc : 0xd0800000 - 0xf2000000   ( 536 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xd0000000   ( 256 MB)
[    0.000000]     modules : 0xbf000000 - 0xc0000000   (  16 MB)
[    0.000000]       .init : 0xc0008000 - 0xc010b000   (1036 kB)
[    0.000000]       .text : 0xc010b000 - 0xc04aa000   (3708 kB)
[    0.000000]       .data : 0xc04aa000 - 0xc04dd7c0   ( 206 kB)
[    0.000000]        .bss : 0xc04dd7e4 - 0xc0504540   ( 156 kB)
[    0.000000] SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, N                                                                             odes=1
[    0.000000] NR_IRQS:624
[    0.000000] MXC GPIO hardware
[    0.000000] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 17895                                                                             6ms
[    0.000000] arm_max_freq=1GHz
[    0.000000] MXC_Early serial console at MMIO 0x2020000 (options '115200')
[    0.000000] bootconsole [ttymxc0] enabled
[    0.000000] Console: colour dummy device 80x30
[    0.263655] Calibrating delay loop... 1987.37 BogoMIPS (lpj=9936896)
[    0.321982] pid_max: default: 32768 minimum: 301
[    0.326861] Mount-cache hash table entries: 512
[    0.331766] CPU: Testing write buffer coherency: ok
[    0.336793] hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counter                                                                             s available
[    0.351760] print_constraints: dummy:
[    0.355711] NET: Registered protocol family 16
[    0.363966] print_constraints: vddpu: 725 <--> 1300 mV at 700 mV fast normal
[    0.371548] print_constraints: vddcore: 725 <--> 1300 mV at 1475 mV fast norm                                                                             al
[    0.379245] print_constraints: vddsoc: 725 <--> 1300 mV at 1475 mV fast norma                                                                             l
[    0.386914] print_constraints: vdd2p5: 2000 <--> 2775 mV at 2400 mV fast norm                                                                             al
[    0.394641] print_constraints: vdd1p1: 800 <--> 1400 mV at 1100 mV fast norma                                                                             l
[    0.402313] print_constraints: vdd3p0: 2625 <--> 3400 mV at 3000 mV fast norm                                                                             al
[    0.411212] LAB126 Board id - 0272201144330SEP
[    0.419746] hw-breakpoint: found 6 breakpoint and 1 watchpoint registers.
[    0.426588] hw-breakpoint: 1 breakpoint(s) reserved for watchpoint single-ste                                                                             p.
[    0.433922] hw-breakpoint: maximum watchpoint size is 4 bytes.
[    0.439793] L310 cache controller enabled
[    0.443818] l2x0: 16 ways, CACHE_ID 0x410000c8, AUX_CTRL 0x02030000, Cache si                                                                             ze: 262144 B
[    0.460052] bio: create slab <bio-0> at 0
[    0.467671] max77696> regulator init
[    0.472146] spi_imx imx6q-ecspi.0: probed
[    0.476734] usbcore: registered new interface driver usbfs
[    0.482343] usbcore: registered new interface driver hub
[    0.487848] usbcore: registered new device driver usb
[    0.494975] Reboot Reason - Standard Reporting
[    0.499450] kernel: I max77696-irq:evtrcrd: evt=SFT_PRSTRT: Software Partial                                                                              Restart
[    0.507213] Reboot Reason - Metric Framework Reporting
[    0.512372] kernel: kernel_metric_generic,counter,event_recorder,ercfl  ags,SFT                                                                             _PRSTRT,1,
[    0.520395] Reboot Reason - Legacy Metric Reporting
[    0.525287]
[    0.528375] MAX77696 TOPSYS 1.0.0 Installed
[    0.535203] max77696-gpio max77696-gpio.0: gpio#0 -- -- func-0 in
[    0.542719] max77696-gpio max77696-gpio.0: gpio#1 -- -- func--1 in
[    0.550459] max77696-gpio max77696-gpio.0: gpio#3 -- -- func-0 in
[    0.558509] MAX77696 GPIO Driver 1.0.0 Installed
[    0.564203] buck mode: 4
[    0.567513] buck mode: 4
[    0.570987] print_constraints: max77696_buck1: 900 <--> 1300 mV at 1250 mV fa                                                                             st normal idle standby
[    0.580596] buck mode: 4
[    0.584072] print_constraints: max77696_buck1dvs: 600 <--> 1300 mV at 900 mV                                                                              fast normal idle standby
[    0.593872] buck mode: 4
[    0.597140] buck mode: 4
[    0.600612] print_constraints: max77696_buck2: 900 <--> 1300 mV at 1200 mV fa                                                                             st normal idle standby
[    0.610214] buck mode: 4
[    0.613690] print_constraints: max77696_buck2dvs: 600 <--> 1300 mV at 900 mV                                                                              fast normal idle standby
[    0.623475] print_constraints: max77696_buck3: 600 <--> 3387 mV at 1300 mV fa                                                                             st normal idle standby
[    0.633266] buck mode: 4
[    0.636534] buck mode: 4
[    0.639802] print_constraints: max77696_buck4: 1200 mV fast normal idle stand                                                                             by
[    0.647656] buck mode: 4
[    0.651131] print_constraints: max77696_buck5: 600 <--> 3387 mV at 1800 mV fa                                                                             st normal idle standby
[    0.660744] buck mode: 4
[    0.664218] print_constraints: max77696_buck6: 600 <--> 3387 mV at 3200 mV fa                                                                             st normal idle standby
[    0.673326] MAX77696 Buck Regulators Driver 1.0.1 Installed
[    0.679688] print_constraints: max77696_ldo1: 800 <--> 3950 mV at 3300 mV nor                                                                             mal idle standby
[    0.688816] print_constraints: max77696_ldo2: 800 <--> 3950 mV at 3000 mV nor                                                                             mal idle standby
[    0.697900] print_constraints: max77696_ldo3: 800 <--> 3950 mV at 2500 mV nor                                                                             mal idle standby
[    0.707017] print_constraints: max77696_ldo4: 800 <--> 2375 mV at 1800 mV nor                                                                             mal idle standby
[    0.716081] print_constraints: max77696_ldo5: 800 <--> 2375 mV at 1800 mV nor                                                                             mal idle standby
[    0.725195] print_constraints: max77696_ldo6: 800 <--> 3950 mV at 3200 mV nor                                                                             mal idle standby
[    0.734280] print_constraints: max77696_ldo7: 800 <--> 3950 mV at 3200 mV nor                                                                             mal idle standby
[    0.743390] print_constraints: max77696_ldo8: 800 <--> 2375 mV at 1100 mV nor                                                                             mal idle standby
[    0.752459] print_constraints: max77696_ldo9: 800 <--> 2375 mV at 1100 mV nor                                                                             mal idle standby
[    0.761583] print_constraints: max77696_ldo10: 2400 <--> 5550 mV at 5200 mV n                                                                             ormal idle standby
[    0.771088] MAX77696 Linear Regulators Driver 1.0.2 Installed
[    0.777435] print_constraints: max77696_lsw1:
[    0.782250] print_constraints: max77696_lsw2:
[    0.787007] print_constraints: max77696_lsw3:
[    0.791744] print_constraints: max77696_lsw4:
[    0.796251] MAX77696 Load Switches Driver 1.0.0 Installed
[    0.802877] print_constraints: max77696-display:
[    0.808358] print_constraints: max77696-vcom:
[    0.813133] print_constraints: max77696-vee:
[    0.817853] print_constraints: max77696-vneg:
[    0.822632] print_constraints: max77696-vpos:
[    0.827392] print_constraints: max77696-vddh:
[    0.832877]
[    0.832881] EPD vreg probe complete!
[    0.838520] print_constraints: max77696_vddq: 240 <--> 984 mV at 600 mV
[    0.845301] MAX77696 LPDDR2 Termination Supply Driver 1.0.1 Installed
[    0.853034] MAX77696 I2C Driver 1.0.0 Installed
[    0.860116] i2c-core: driver [max17135] using legacy suspend method
[    0.866404] i2c-core: driver [max17135] using legacy resume method
[    0.872650] Switching to clocksource mxc_timer1
[    0.887729] NET: Registered protocol family 2
[    0.892186] IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.899278] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
[    0.906450] TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
[    0.912984] TCP: Hash tables configured (established 8192 bind 8192)
[    0.919362] TCP reno registered
[    0.922515] UDP hash table entries: 256 (order: 0, 4096 bytes)
[    0.928379] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[    0.934999] NET: Registered protocol family 1
[    0.939730] RPC: Registered named UNIX socket transport module.
[    0.945668] RPC: Registered udp transport module.
[    0.950405] RPC: Registered tcp transport module.
[    0.955122] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.965805] etb: probe of etb failed with error -2
[    0.970854] etm: probe of etm.0 failed with error -2
[    0.976087] Static Power Management for Freescale i.MX6
[    0.981350] wait mode is enabled for i.MX6
[    0.985632] cpaddr = d0820000 suspend_iram_base=d081c000
[    0.991025] PM driver module loaded
[    0.994779] IMX usb wakeup probe
[    0.998051] the wakeup pdata is 0xce1387c0
[    1.002490] IMX usb wakeup probe
[    1.005738] the wakeup pdata is 0xce1388c0
[    1.010046] cpu regulator mode:ldo_bypass
[    1.014268] _regulator_get: get() with no identifier
[    1.019262] mx6_cpu_regulator_init: failed to get pu regulator
[    1.025309] i.MXC CPU frequency driver
[    1.042211] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    1.049248] msgmni has been set to 497
[    1.053359] io scheduler noop registered
[    1.057396] io scheduler cfq registered (default)
[    1.062605] MAX77696 Backlight Driver 1.0.0 Installed
[    1.068459] imx-sdma imx-sdma: loaded firmware 1.1
[    1.077840] imx-sdma imx-sdma: initialized
[    1.253007] Serial: IMX driver
[    1.385156] console [ttymxc0] enabled, bootconsole disabled
[    1.385156] console [ttymxc0] enabled, bootconsole disabled
[    1.400675] loop: module loaded
[    1.403883] MAX77696 32kHz Oscillator Driver 1.0.0 Installed
[    1.410236] input: max77696-onkey as /devices/platform/imx-i2c.0/i2c-0/0-003c                                                                             /max77696-onkey.0/input/input0
[    1.423430] MAX77696 ONKEY Driver 1.0.0 Installed
[    1.448596] max77696-rtc max77696-rtc.0: rtc core: registered max77696-rtc.0                                                                              as rtc0
[    1.468559] max77696-rtc max77696-rtc.0: rtc core: registered max77696-rtc.1                                                                              as rtc1
[    1.497863] MAX77696 RTC Driver 1.0.2 Installed
[    1.503275] snvs_rtc snvs_rtc.0: rtc core: registered snvs_rtc as rtc2
[    1.510008] i2c /dev entries driver
[    1.517865] max77696-battery max77696-battery.0: Voltage alert     3400mV ...                                                                              4260mV
[    1.526017] max77696-battery max77696-battery.0: SOC alert         (disabled)
[    1.534067] MAX77696 Fuel Gauge Driver 1.0.0 Installed
[    1.540956] MAX77696 USB Interface Circuit Driver 1.0.0 Installed
[    1.549401] max77696-adc max77696-adc.0: ADC average rate: 32 sample(s)
[    1.556020] max77696-adc max77696-adc.0: ADC delay: 0 nsec
[    1.561523] max77696-adc max77696-adc.0: ADC cur src: 50 uA
[    1.567100] MAX77696 ADC Driver 1.0.1 Installed
[    1.572309] imx2-wdt imx2-wdt.0: IMX2+ Watchdog Timer enabled. timeout=60s (n                                                                             owayout=1)
[    1.580727] sdhci: Secure Digital Host Controller Interface driver
[    1.586912] sdhci: Copyright(c) Pierre Ossman
[    1.591397] mmc0: no vmmc regulator found
[    1.596712] mmc0: SDHCI controller on platform [sdhci-esdhc-imx.1] using DMA
[    1.604847] mmc1: no vmmc regulator found
[    1.611245] mmc1: SDHCI controller on platform [sdhci-esdhc-imx.2] using DMA
[    1.619005] Registered led device: max77696-leds.0
[    1.623807] MAX77696 LED Driver #0 1.0.0 Installed
[    1.632892] Registered led device: max77696-leds.1
[    1.637705] MAX77696 LED Driver #1 1.0.0 Installed
[    1.643027] nf_conntrack version 0.5.0 (3978 buckets, 15912 max)
[    1.651737] ip_tables: (C) 2000-2006 Netfilter Core Team
[    1.657108] TCP cubic registered
[    1.660365] NET: Registered protocol family 17
[    1.664823] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9                                                                              rev 4
[    1.672628] LPDDR2 MfgId: 0x3 [Elpida]
[    1.676692] Bus freq driver module loaded
[    1.682742] Bus freq driver Enabled
[    1.687257] mxc_dvfs_core_probe
[    1.694819] DVFS driver module loaded
[    1.717913] regulator_init_complete: max77696_ldo10: incomplete constraints,                                                                              leaving on
[    1.733160] regulator_init_complete: max77696_ldo7: incomplete constraints, l                                                                             eaving on
[    1.750517] regulator_init_complete: max77696_ldo6: incomplete constraints, l                                                                             eaving on
[    1.765724] regulator_init_complete: max77696_buck6: incomplete constraints,                                                                              leaving on
[    1.773951] regulator_init_complete: max77696_buck5: incomplete constraints,                                                                              leaving on
[    1.782667] regulator_init_complete: max77696_buck2dvs: incomplete constraint                                                                             s, leaving on
[    1.791020] emmc: I def:mmcpartinfo:vendor=toshiba, host=mmc0:
[    1.800255] regulator_init_complete: max77696_buck1dvs: incomplete constraint                                                                             s, leaving on
[    1.839384] mmc0: new high speed DDR MMC card at address 0001
[    1.845532] mmcblk0: mmc0:0001 004GE0 3.68 GiB
[    1.850221] mmcblk0boot0: mmc0:0001 004GE0 partition 1 2.00 MiB
[    1.856269] mmcblk0boot1: mmc0:0001 004GE0 partition 2 2.00 MiB
[    1.862853] max77696-rtc max77696-rtc.0: setting system clock to 2000-01-01 0                                                                             1:13:10 UTC (946689190)
[    1.872262]  mmcblk0: p1 p2 p3 p4
[    1.878610]  mmcblk0boot1: unknown partition table
[    1.885656]  mmcblk0boot0: unknown partition table
[    1.896755] KERNEL: I pmic:charger chgina::charger connected
[    1.912390] MAX77696 Main Charger Driver 1.0.0 Installed
[    1.921094] MAX77696 Energy Harvester Driver 1.0.0 Installed
[    1.927710] Freeing init memory: 1036K
3.0.35-lab126 #1 Wed Apr 23 16:52:30 PDT 2014 armv7l
[    1.957746] INFO:Loaded module /lib/modules/mxc_epdc_eink.ko  (10304 bytes)
[    2.397230] add wake up source irq 104
[    3.527245] KERNEL: I pmic:fg battery id check::wario_battery_valid=1
[    5.176887] INFO:Loaded module /lib/modules/mxc_epdc_fb.ko  (83340 bytes)
[    5.469635] INFO:eink initialized... (786432 bytes)
[    5.474579] INFO

IAGS MODE
Press [ENTER] for recovery menu...       0 /[    6.483987] INFO:!!! Checking MBR                                                                              /dev/mmcblk0 !!!!
[    6.494124] INFO

artition 2, start sector is 782336
[    6.499238] INFO

artition 3, start sector is 913408
[    6.504286] INFO

artition 4, start sector is 1044480
[    6.509425] INFO:maximizing partition 6688768 sectors
[    6.514520] INFO:*** Partition table verified for /dev/mmcblk0 ***
/dev/mmcblk0p4:[    6.522835] INFO:Setup loop device /dev/loop0 for /dev/mmcblk0                                                                             p4 + 8192
CHS=4/16/104512 size=3424649216 bytes
flag type      first    [    6.533196] INFO:Checking for updates... (auto-pilot                                                                              mode)
   last  lba first   lba size
Pa[    6.541812] INFO:No update*.bin found; no update needed.
rtition p1:
0x00 0x0b         16 <large>            16    6688752
    CHS: 0/1/1 - <large>
Par[    6.557552] INFO:no updates found.
tition p2:
Partition p3:
Partition p4:
BOOTING DEFAULT.
IP-Config: no devices to configure
[    7.523407] EXT3-fs: barriers not enabled
[    7.528157] kjournald starting.  Commit interval 5 seconds
[    7.533704] EXT3-fs (mmcblk0p2): mounted filesystem with writeback data mode
kinit: Mounted root (ext3 filesystem) readonly.
kinit: init not found!