求助，SQUASHFS error: lzma returned unexpected result 0x1

hamgl

我的路由器在升级tomato固件的时候偶尔会出现下面的错误，一旦出现这个错误的时候，系统就异常了，连reboot命令都返回Segmentation fault
所以只能拔电重启系统
请问这个问题是什么原因导致的，该怎么处理？

SQUASHFS error: lzma returned unexpected result 0x1
SQUASHFS error: Unable to read page, block 22bedb, size 4d1c
SQUASHFS error: lzma returned unexpected result 0x1
SQUASHFS error: Unable to read page, block 22bedb, size 4d1c
SQUASHFS error: lzma returned unexpected result 0x1
SQUASHFS error: Unable to read page, block 230bf7, size 4098
SQUASHFS error: lzma returned unexpected result 0x1
SQUASHFS error: Unable to read fragment cache block [38841b]
SQUASHFS error: Unable to read page, block 38841b, size 5590
SQUASHFS error: lzma returned unexpected result 0x1
SQUASHFS error: Unable to read fragment cache block [38841b]
SQUASHFS error: Unable to read page, block 38841b, size 5590
SQUASHFS error: lzma returned unexpected result 0x1
SQUASHFS error: Unable to read fragment cache block [38841b]
SQUASHFS error: Unable to read page, block 38841b, size 5590