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  • I.MX6 32G SD卡测试

    /***********************************************************************
     *                       I.MX6 32G SD卡测试
     * 说明:
     *     这是刘涛测试32G卡的情况。
     * 
     *                                    2016-10-17 深圳 南山平山村 曾剑锋
     **********************************************************************/
    
    一、参考文档:
        [solved] couldn't mount because of unsupported optional
            https://forums.gentoo.org/viewtopic-p-7259024.html
    
    二、32G SD卡挂载情况测试:
        1. fat     
            ok
        2. ext2    
            ok
        3. ext3    
            root@freescale ~$ mount -t ext3 /dev/mmcblk1p1
            root@freescale ~$ mount /dev/mmcblk1p1 /mnt/mount/
            root@freescale ~$ mount -t ext3 /dev/mmcblk1p1 /mnt/mount/
            EXT3-fs: barriers not enabled
            kjournald starting.  Commit interval 5 seconds
            EXT3-fs (mmcblk1p1): using internal journal
            EXT3-fs (mmcblk1p1): mounted filesystem with writeback data mode
        4. ext4    
            root@freescale ~$ mount /dev/mmcblk1p1 /mnt/mount/
            EXT3-fs (mmcblk1p1): error: couldn't mount because of unsupported optional features (240)
            EXT2-fs (mmcblk1p1): error: couldn't mount because of unsupported optional features (240)
            EXT4-fs (mmcblk1p1): mounted filesystem with ordered data mode. Opts: (null)
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  • 原文地址:https://www.cnblogs.com/zengjfgit/p/5970741.html
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