jffs2挂flash时，报下面错误的一个解决方法
发布时间：2020-12-15 17:32:41 所属栏目：百科 来源：网络整理
导读：Further such events for this erase block will not be printed jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00320000: 0xcdae instead jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00320004: 0xfa5e instead jffs2_
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Further such events for this erase block will not be printed jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00320004: 0xfa5e instead jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00320008: 0xe72a instead jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x0032000c: 0x4f7c instead jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00320010: 0xfe9f instead jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00320014: 0xb5bc instead jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00320018: 0xa15d instead jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x0032001c: 0x73df instead jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00320020: 0x9ebf instead jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00320024: 0xdfdf instead (none) login: root 出上面问题原因是我用rootfs.jffs2烧写的，文件大小是3.2M，然后UBOOT写FLASH时，写的大小是4M，把多余0.8M的DDR数据写到了FLASH中，内核的JFFS2可能对JFFS2文件结尾比较敏感，如果多出来的部分不是字节0的填充，就出问题了。解决方法就是生成一个4M大小的rootfs.bin，前面3.2M用rootfs.jffs2填充，后面为0，问题就解决了。 ? 下面两条命令生成4M的rootfs.bin dd if=/dev/zero?? ?of=rootfs.binbs=1M?? count=4 dd if=out/rootfs.jffs2? of=rootfs.bin conv=notrunc ? tftp 0x82000000 huqiang/rootfs.jffs2;sf probe0:0 24000000 0;sf erase 0x340000 0x400000;sf write 0x82000000 0x340000 0x400000（编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |