Tina偶尔上电启动出错,log显示坏块,是什么原因

nice0513 LV 4

Launching microcom serial connection on /dev/ttyS2.
Press Ctrl+X to exit.
[158]HELLO! BOOT0 is starting!
[160]BOOT0 commit : 88480af-dirty
[164]set pll start
[166]fix vccio detect value:0xc0
[173]periph0 has been enabled
[176]set pll end
[178][pmu]: bus read error
[180]board init ok
[182]ZQ value = 0x31
[184]get_pmu_exist() = -1
[187]DRAM BOOT DRIVE INFO: V0.33
[190]DRAM CLK = 936 MHz
[192]DRAM Type = 3 (2:DDR2,3:DDR3)
[195]DRAMC read ODT  off.
[198]DRAM ODT value: 0x42.
[200]ddr_efuse_type: 0xa
[204]DRAM SIZE =128 M
[206]dram_tpr4:0x0
[207]PLL_DDR_CTRL_REG:0xf8004d00
[210]DRAM_CLK_REG:0xc0000000
[213][TIMING DEBUG] MR2= 0x20
[221]DRAM simple test OK.
[223]rtc standby flag is 0x0, super standby flag is 0x0
[228]dram size =128
[231]spinand UBOOT_START_BLK_NUM 8 UBOOT_LAST_BLK_NUM 32
[236]block from 8 to 32
[239]oob_buf[0] = 0
[241]spi nand block 8 is bad
[244]oob_buf[0] = 0
[246]spi nand block 9 is bad
[249]oob_buf[0] = 0
[250]spi nand block 10 is bad
[254]oob_buf[0] = 0
[255]spi nand block 11 is bad
[258]oob_buf[0] = 0
[260]spi nand block 12 is bad
[263]oob_buf[0] = 0
[265]spi nand block 13 is bad
[268]oob_buf[0] = 0
[270]spi nand block 14 is bad
[273]oob_buf[0] = 0
[275]spi nand block 15 is bad
[278]oob_buf[0] = 0
[280]spi nand block 16 is bad
[283]oob_buf[0] = 0
[285]spi nand block 17 is bad
[288]oob_buf[0] = 0
[289]spi nand block 18 is bad
[292]oob_buf[0] = 0
[294]spi nand block 19 is bad
[297]oob_buf[0] = 0
[299]spi nand block 20 is bad
[302]oob_buf[0] = 0
[304]spi nand block 21 is bad
[307]oob_buf[0] = 0
[309]spi nand block 22 is bad
[312]oob_buf[0] = 0
[314]spi nand block 23 is bad
[317]oob_buf[0] = 0
[319]spi nand block 24 is bad
[322]oob_buf[0] = 0
[323]spi nand block 25 is bad
[326]oob_buf[0] = 0
[328]spi nand block 26 is bad
[331]oob_buf[0] = 0
[333]spi nand block 27 is bad
[336]oob_buf[0] = 0
[338]spi nand block 28 is bad
[341]oob_buf[0] = 0
[343]spi nand block 29 is bad
[346]oob_buf[0] = 0
[347]spi nand block 30 is bad
[350]oob_buf[0] = 0
[352]spi nand block 31 is bad
[355]oob_buf[0] = 0
[357]spi nand block 32 is bad
[360]Can't find a good Boot1 copy in spi nand.
[364]dma 0x29c0c int is not used yet
[367]dma 0x29c0c int is free, you do not need to free it again