WhyCan Forum(哇酷开发者社区)

奇怪， 我的dfu刷nor之后是这样的:

U-Boot SPL 2020.07 (Oct 09 2020 - 17:01:22 +0800)
DRAM: 64 MiB
Trying to boot from MMC1
Card did not respond to voltage select!
spl: mmc init failed with error: -95
Trying to boot from MMC2
Card did not respond to voltage select!
spl: mmc init failed with error: -95
Trying to boot from sunxi SPI


U-Boot 2020.07 (Oct 09 2020 - 17:01:22 +0800) Allwinner Technology

CPU:   Allwinner F Series (SUNIV)
Model: Allwinner F1C100s Generic Device
DRAM:  64 MiB
MMC:   mmc@1c0f000: 0, mmc@1c10000: 1
Setting up a 800x480 lcd console (overscan 0x0)
In:    serial
Out:   vga
Err:   vga
Allwinner mUSB OTG (Peripheral)
Hit any key to stop autoboot:  0
Booting from FEL...
unknown raw ID 82e625a8
List of MTD devices:
No MTD device found
SF: Detected w25q128 with page size 256 Bytes, erase size 4 KiB, total 16 MiB
DFU waiting on SPI-NOR...
Card did not respond to voltage select!
Card did not respond to voltage select!
Card did not respond to voltage select!
unknown raw ID 82e62328
List of MTD devices:
No MTD device found
SF: Detected w25q128 with page size 256 Bytes, erase size 4 KiB, total 16 MiB
Booting from SPI-NOR...
device 0 offset 0x70000, size 0x10000
SF: 65536 bytes @ 0x70000 Read: OK
device 0 offset 0x80000, size 0x580000
SF: 5767168 bytes @ 0x80000 Read: OK
## Flattened Device Tree blob at 80700000
   Booting using the fdt blob at 0x80700000
   Loading Device Tree to 816f9000, end 816ffc6c ... OK
Cannot setup simplefb: node not found

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.4.66 (whycan@ubuntu) (gcc version 8.4.0 (Buildroot 2020.02.4-00002-g2e2c3d224a)) #1 Fri Oct 9 10:45:59 CST 2020
[    0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
[    0.000000] CPU: VIVT data cache, VIVT instruction cache
[    0.000000] OF: fdt: Machine model: Widora MangoPi R3
[    0.000000] Memory policy: Data cache writeback
[    0.000000] cma: Reserved 16 MiB at 0x83000000
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 16256
[    0.000000] Kernel command line: console=ttyS0,115200 earlyprintk rootwait consoleblank=0 net.ifnames=0 biosdevname=0 root=/dev/mtdblock3 overlayfsdev=/dev/mtdblock4
[    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes, linear)
[    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes, linear)
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] Memory: 38736K/65536K available (6144K kernel code, 248K rwdata, 1680K rodata, 1024K init, 225K bss, 10416K reserved, 16384K cma-reserved)
[    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] random: get_random_bytes called from start_kernel+0x254/0x444 with crng_init=0
[    0.000048] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[    0.000136] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[    0.000898] Console: colour dummy device 80x30
[    0.001007] Calibrating delay loop... 203.16 BogoMIPS (lpj=1015808)
[    0.070261] pid_max: default: 32768 minimum: 301
[    0.070785] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.070831] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.072790] CPU: Testing write buffer coherency: ok
[    0.074907] Setting up static identity map for 0x80100000 - 0x80100058
[    0.076229] devtmpfs: initialized
[    0.088171] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.088235] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[    0.092581] pinctrl core: initialized pinctrl subsystem
[    0.095307] NET: Registered protocol family 16
[    0.099095] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.101486] cpuidle: using governor menu
[    0.146254] SCSI subsystem initialized
[    0.146645] usbcore: registered new interface driver usbfs
[    0.146863] usbcore: registered new interface driver hub
[    0.147061] usbcore: registered new device driver usb
[    0.147570] mc: Linux media interface: v0.10
[    0.147728] videodev: Linux video capture interface: v2.00
[    0.147852] pps_core: LinuxPPS API ver. 1 registered
[    0.147873] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.147936] PTP clock support registered
[    0.149023] ion_parse_dt_heap_common: id 4 type 4 name cma align 1000
[    0.150038] Advanced Linux Sound Architecture Driver Initialized.
[    0.152634] clocksource: Switched to clocksource timer
[    0.184349] thermal_sys: Registered thermal governor 'step_wise'
[    0.185126] NET: Registered protocol family 2
[    0.186738] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[    0.186828] TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.186882] TCP bind hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.186932] TCP: Hash tables configured (established 1024 bind 1024)
[    0.187249] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.187318] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.187830] NET: Registered protocol family 1
[    0.190554] NetWinder Floating Point Emulator V0.97 (double precision)
[    0.192441] Initialise system trusted keyrings
[    0.193207] workingset: timestamp_bits=30 max_order=14 bucket_order=0
[    0.215059] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.215677] jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
[    0.330481] Key type asymmetric registered
[    0.330523] Asymmetric key parser 'x509' registered
[    0.330703] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[    0.330731] io scheduler mq-deadline registered
[    0.330747] io scheduler kyber registered
[    0.346354] suniv-f1c100s-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
[    0.370872] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[    0.377160] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pa not found, using dummy regulator
[    0.378512] printk: console [ttyS0] disabled
[    0.398826] 1c25400.serial: ttyS0 at MMIO 0x1c25400 (irq = 28, base_baud = 6250000) is a 16550A
[    0.831398] printk: console [ttyS0] enabled
[    0.841222] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pd not found, using dummy regulator
[    0.862505] panel-simple panel: panel supply power not found, using dummy regulator
[    0.872238] SCSI Media Changer driver v0.25
[    0.878154] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pc not found, using dummy regulator
[    0.891020] spi-nor spi0.0: w25q128 (16384 Kbytes)
[    0.897112] 5 fixed-partitions partitions found on MTD device spi0.0
[    0.903585] Creating 5 MTD partitions on "spi0.0":
[    0.908395] 0x000000000000-0x000000070000 : "u-boot"
[    0.916874] 0x000000070000-0x000000080000 : "dtb"
[    0.925100] 0x000000080000-0x000000600000 : "kernel"
[    0.933612] 0x000000600000-0x000000d00000 : "rom"
[    0.941697] 0x000000d00000-0x000001000000 : "overlay"
[    0.950826] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.957480] ehci-platform: EHCI generic platform driver
[    0.963210] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    0.969438] ohci-platform: OHCI generic platform driver
[    0.975283] usbcore: registered new interface driver usb-storage
[    0.982286] usb_phy_generic usb_phy_generic.0.auto: usb_phy_generic.0.auto supply vcc not found, using dummy regulator
[    0.996003] i2c /dev entries driver
[    1.000157] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pd not found, using dummy regulator
[    1.013953] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pe not found, using dummy regulator
[    1.024945] sun4i-csi 1cb0000.csi: Packed (RAW) format enabled.
[    1.032813] sunxi-wdt 1c20ca0.watchdog: Watchdog enabled (timeout=16 sec, nowayout=0)
[    1.042862] suniv-f1c100s-pinctrl 1c20800.pinctrl: 1c20800.pinctrl supply vcc-pf not found, using dummy regulator
[    1.080801] sunxi-mmc 1c0f000.mmc: initialized, max. request size: 16384 KB
[    1.090260] usbcore: registered new interface driver usbhid
[    1.095950] usbhid: USB HID core driver
[    1.100117] sunxi-cedar 1c0e000.video-codec: sunxi cedar version 0.01alpha
[    1.107455] sunxi-cedar 1c0e000.video-codec: cedar-ve the get irq is 20
[    1.119301] debugfs: Directory '1c23c00.codec' with parent 'F1C100s Audio Codec' already present!
[    1.133256] sun4i-codec 1c23c00.codec: Codec <-> 1c23c00.codec mapping ok
[    1.149178] NET: Registered protocol family 17
[    1.153855] Key type dns_resolver registered
[    1.159288] Loading compiled-in X.509 certificates
[    1.177998] sun4i-drm soc:display-engine: bound 1e00000.display-frontend (ops 0xc073b3d8)
[    1.187051] sun4i-drm soc:display-engine: bound 1e60000.display-backend (ops 0xc073ac18)
[    1.196657] sun4i-drm soc:display-engine: bound 1c0c000.lcd-controller (ops 0xc07397b8)
[    1.205217] sun4i-drm soc:display-engine: bound 1c0a000.tv-encoder (ops 0xc073a4d8)
[    1.212994] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    1.219596] [drm] No driver support for vblank timestamp query.
[    1.227356] [drm] Initialized sun4i-drm 1.0.0 20150629 for soc:display-engine on minor 0
[    1.236391] [drm] kms: can't enable cloning when we probably wanted to.
[    1.308254] Console: switching to colour frame buffer device 100x30
[    1.347156] sun4i-drm soc:display-engine: fb0: sun4i-drmdrmfb frame buffer device
[    1.355715] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    1.373530] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    1.380288] ALSA device list:
[    1.383395]   #0: F1C100s Audio Codec
[    1.387651] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[    1.396377] cfg80211: failed to load regulatory.db
[    1.405754] random: fast init done
[    1.412139] List of all partitions:
[    1.415808] 1f00             448 mtdblock0
[    1.415819]  (driver?)
[    1.422427] 1f01              64 mtdblock1
[    1.422434]  (driver?)
[    1.429054] 1f02            5632 mtdblock2
[    1.429062]  (driver?)
[    1.435691] 1f03            7168 mtdblock3
[    1.435698]  (driver?)
[    1.442233] 1f04            3072 mtdblock4
[    1.442239]  (driver?)
[    1.448815] No filesystem could mount root, tried:
[    1.448822]  ext3
[    1.453773]  ext2
[    1.455700]  ext4
[    1.457622]  squashfs
[    1.459544]  vfat
[    1.461811]
[    1.465291] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(31,3)
[    1.473628] CPU: 0 PID: 1 Comm: swapper Not tainted 5.4.66 #1
[    1.479356] Hardware name: Allwinner suniv Family
[    1.484139] [<c010e6a8>] (unwind_backtrace) from [<c010b9c4>] (show_stack+0x10/0x14)
[    1.491891] [<c010b9c4>] (show_stack) from [<c011702c>] (panic+0xe8/0x2e4)
[    1.498779] [<c011702c>] (panic) from [<c090135c>] (mount_block_root+0x2bc/0x31c)
[    1.506264] [<c090135c>] (mount_block_root) from [<c0901568>] (prepare_namespace+0x128/0x188)
[    1.514794] [<c0901568>] (prepare_namespace) from [<c06f9cb0>] (kernel_init+0x8/0x108)
[    1.522713] [<c06f9cb0>] (kernel_init) from [<c01010e0>] (ret_from_fork+0x14/0x34)
[    1.530261] Exception stack(0xc2839fb0 to 0xc2839ff8)
[    1.535309] 9fa0:                                     00000000 00000000 00000000 00000000
[    1.543477] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    1.551640] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[    1.558250] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(31,3) ]---

明月照我沟渠 说：

aodzip 说：

不会的，可以放心使用

烧完之后确实而已起来， 请问这是什么原理呢？

有坏块跳过之后，程序会把坏块标记出来，之后读写都会跳过，然后往后顺延一块。