Cannot Mount Inner SD Card on MID 9742

Discussion in 'Coby Generation 3 Development' started by kenroy, Oct 19, 2012.

  1. kenroy

    kenroy Member

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    hi i am having a problem with my sd card after i rooted my tablet. i rooted,dumped image, flashed cwm then flashed mobiz v2. everything works even g/play but for some reason i cannot mount the internal sd card so the camera works but wont take pictures but tells me that there is no sd card present.
    i have been getting some help from a chap on this site but i thought i would address the problem with a new thread.
    i think i have tried most things so any suggetions would be great
    i was going to restore the original image but i couldnt figure out how to do it.:confused: thx
     
  2. vampirefo.

    vampirefo. Senior Member Developer

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    I have already made a thread on restoring backups, the rest of your post I don't understand what exactly you are saying, can you try again to post the problems you are having? what caused the problems? and steps you used to fix the problems?
     
  3. Traveller

    Traveller Super Moderator Staff Member

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    Apparently he's not getting read/write access to \mnt\sdcard like he should be after rooting and installing Mobiz for his 9742. I've been the one trying to help him with it, but unfortunately we're at an impasse, because I cannot figure out the rationale for why his tablet is doing what it's doing. Mobiz incorporates the platform.xml fix for read/write access and it should have become active when he installed the ROM.

    About the only thing that hasn't been tried is for him to attempt to revert to stock. I'd recommend him copying my nandroid backup over to his tablet and flashing that, but I don't know if his version of the tablet is the same as mine.
     
  4. vampirefo.

    vampirefo. Senior Member Developer

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    Internal sdcard is always mounted rw, cause it is fat, unless he switch mounts points in vold.fstab.

    Use adb and post the results of mount.

    Example


    adb shell

    mount

    Copy and paste output here.
     
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  5. Traveller

    Traveller Super Moderator Staff Member

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    Well, I learned something new today. :)

    He asked about vold.fstab but I told him that changing it likely would not solve his problem.
     
  6. kenroy

    kenroy Member

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    hi and thank you for joining my dilemma, i have wiped everything and reflashed mobiz v2 and reboot, it took a long to to get there but we have, camera showing no sd card, file manager showing nothing in /mntsdcard,es file manager showing sd card empty unmounted or not present and properties of sd card = read,no write, no and hidden no.none of this makes a great deal of sense to me but i hope it does for you i expect after all this it is something to do with me not doing something and looking a bit of an idiot, but nevermind eh. here is the output.

    C:\Users\MRTHOMAS>adb shell
    shell@android:/ $ mount
    mount
    rootfs / rootfs rw,relatime 0 0
    tmpfs /dev tmpfs rw,nosuid,relatime,mode=755 0 0
    devpts /dev/pts devpts rw,relatime,mode=600,ptmxmode=000 0 0
    proc /proc proc rw,relatime 0 0
    sysfs /sys sysfs rw,relatime 0 0
    tmpfs /mnt/asec tmpfs rw,relatime,mode=755,gid=1000 0 0
    tmpfs /mnt/obb tmpfs rw,relatime,mode=755,gid=1000 0 0
    /dev/block/nandd /system ext4 rw,relatime,user_xattr,barrier=0,data=ordered 0 0
    /dev/block/nande /data ext4 rw,nosuid,nodev,noatime,user_xattr,barrier=0,journal
    _checksum,data=ordered,noauto_da_alloc 0 0
    /dev/block/nandh /cache ext4 rw,nosuid,nodev,noatime,user_xattr,barrier=0,journa
    l_checksum,data=ordered,noauto_da_alloc 0 0
    /dev/block/nandi /mnt/private vfat ro,relatime,fmask=0000,dmask=0000,allow_utime
    =0022,codepage=cp437,iocharset=ascii,shortname=mixed,errors=remount-ro 0 0
    /dev/block/vold/179:1 /mnt/extsd vfat rw,dirsync,nosuid,nodev,noexec,relatime,ui
    d=1000,gid=1023,fmask=0702,dmask=0702,allow_utime=0020,codepage=cp437,iocharset=
    ascii,shortname=mixed,utf8,errors=remount-ro 0 0
    shell@android:/ $

    thanks for looking.
     
    Last edited: Oct 20, 2012
  7. vampirefo.

    vampirefo. Senior Member Developer

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    OK something is wrong here, you used livesuite? something has wiped out your /sdcard or it's just not mounted, I don't see a /mnt/sdcard.

    adb shell

    ls /dev/block/*

    post output

    I am looking for something like 93:64,

    @Traveller1701

    will you also post output of mount so we can have a good reference to work with.

    also what is /mnt/private? does this device have two internal storage spaces? /mnt/private and /mnt/sdcard
     
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  8. kenroy

    kenroy Member

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    well this is what i got but you may find that i either have done something wrong or the results are wrong.
    i didnt use live suite on this tablet as i had a lot of problems when i used it on another one i had which i managed to get replaced
    i dont know about the /mnt/private i can see it when i go into root but it dont mean nothing to me.
    here are the results

    shell@android:/ $ ls/dev/block/*
    ls/dev/block/*
    /system/bin/sh: ls/dev/block/*: not found
    127|shell@android:/ $.
    hope this helps. thx
     
  9. Traveller

    Traveller Super Moderator Staff Member

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    For reference, as requested...

    adb mount
    Code:
    F:\adb>adb shell
    * daemon not running. starting it now on port 5037 *
    * daemon started successfully *
    1|shell@android:/ $ mount
    mount
    rootfs / rootfs ro,relatime 0 0
    tmpfs /dev tmpfs rw,nosuid,relatime,mode=755 0 0
    devpts /dev/pts devpts rw,relatime,mode=600,ptmxmode=000 0 0
    proc /proc proc rw,relatime 0 0
    sysfs /sys sysfs rw,relatime 0 0
    tmpfs /mnt/asec tmpfs rw,relatime,mode=755,gid=1000 0 0
    tmpfs /mnt/obb tmpfs rw,relatime,mode=755,gid=1000 0 0
    /dev/block/nandd /system ext4 ro,relatime,user_xattr,barrier=0,data=ordered 0 0
    /dev/block/nande /data ext4 rw,nosuid,nodev,noatime,user_xattr,barrier=0,journal
    _checksum,data=ordered,noauto_da_alloc 0 0
    /dev/block/nandh /cache ext4 rw,nosuid,nodev,noatime,user_xattr,barrier=0,journa
    l_checksum,data=ordered,noauto_da_alloc 0 0
    /dev/block/vold/179:1 /mnt/extsd vfat rw,dirsync,nosuid,nodev,noexec,relatime,ui
    d=1000,gid=1023,fmask=0702,dmask=0702,allow_utime=0020,codepage=cp437,iocharset=
    ascii,shortname=mixed,utf8,errors=remount-ro 0 0
    /dev/block/vold/93:64 /mnt/sdcard vfat rw,dirsync,nosuid,nodev,noexec,relatime,u
    id=1000,gid=1015,fmask=0702,dmask=0702,allow_utime=0020,codepage=cp437,iocharset
    =ascii,shortname=mixed,utf8,errors=remount-ro 0 0
    /dev/block/vold/93:64 /mnt/secure/asec vfat rw,dirsync,nosuid,nodev,noexec,relat
    ime,uid=1000,gid=1015,fmask=0702,dmask=0702,allow_utime=0020,codepage=cp437,ioch
    arset=ascii,shortname=mixed,utf8,errors=remount-ro 0 0
    tmpfs /mnt/sdcard/.android_secure tmpfs ro,relatime,size=0k,mode=000 0 0
    /dev/block/dm-0 /mnt/asec/com.eamobile.monopoly_full_azn-2 vfat ro,dirsync,nosui
    d,nodev,relatime,uid=1000,fmask=0222,dmask=0222,codepage=cp437,iocharset=ascii,s
    hortname=mixed,utf8,errors=remount-ro 0 0
    /dev/block/dm-1 /mnt/asec/com.eamobile.bejeweled2_full_azn-2 vfat ro,dirsync,nos
    uid,nodev,relatime,uid=1000,fmask=0222,dmask=0222,codepage=cp437,iocharset=ascii
    ,shortname=mixed,utf8,errors=remount-ro 0 0
    /dev/block/dm-2 /mnt/asec/com.massivefinger.PinballRide-2 vfat ro,dirsync,nosuid
    ,nodev,relatime,uid=1000,fmask=0222,dmask=0222,codepage=cp437,iocharset=ascii,sh
    ortname=mixed,utf8,errors=remount-ro 0 0
    /dev/block/dm-3 /mnt/asec/org.ais.archidroid-2 vfat ro,dirsync,nosuid,nodev,rela
    time,uid=1000,fmask=0222,dmask=0222,codepage=cp437,iocharset=ascii,shortname=mix
    ed,utf8,errors=remount-ro 0 0
    /dev/block/dm-4 /mnt/asec/com.magic8ball-2 vfat ro,dirsync,nosuid,nodev,relatime
    ,uid=1000,fmask=0222,dmask=0222,codepage=cp437,iocharset=ascii,shortname=mixed,u
    tf8,errors=remount-ro 0 0
    /dev/block/dm-5 /mnt/asec/com.aldiko.android-2 vfat ro,dirsync,nosuid,nodev,rela
    time,uid=1000,fmask=0222,dmask=0222,codepage=cp437,iocharset=ascii,shortname=mix
    ed,utf8,errors=remount-ro 0 0
    1|shell@android:/ $
    ls /dev/block/*
    Code:
    1|shell@android:/ $ ls /dev/block/*
    ls /dev/block/*
    /dev/block/dm-0
    /dev/block/dm-1
    /dev/block/dm-2
    /dev/block/dm-3
    /dev/block/dm-4
    /dev/block/dm-5
    /dev/block/loop0
    /dev/block/loop1
    /dev/block/loop2
    /dev/block/loop3
    /dev/block/loop4
    /dev/block/loop5
    /dev/block/loop6
    /dev/block/loop7
    /dev/block/mmcblk0
    /dev/block/mmcblk0p1
    /dev/block/nanda
    /dev/block/nandb
    /dev/block/nandc
    /dev/block/nandd
    /dev/block/nande
    /dev/block/nandf
    /dev/block/nandg
    /dev/block/nandh
    /dev/block/nandi
    sunxi-mmc.0
    /dev/block/ram0
    /dev/block/ram1
    179:0
    179:1
    93:64
    shell@android:/ $
    EDIT: Not that this really needs to be stated, but /dev/block/dm-0 through /dev/block/dm-5 are all programs that I added, including Aldiko. The version of Aldiko included with Coby tablets is an OEM version and doesn't get updates.
     
    Last edited: Oct 20, 2012
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  10. vampirefo.

    vampirefo. Senior Member Developer

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    needs to be ls /dev/block/*

    not ls/dev/block/*

    a space is required for the two commands.

    first command is ls which means list,

    so ls space then /dev/block/*

    ls /dev/block/*
     
  11. kenroy

    kenroy Member

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    yes sorry missed that on here goes
    shell@android:/ $
    ls /dev/block/*
    /dev/block/loop0
    /dev/block/loop1
    /dev/block/loop2
    /dev/block/loop3
    /dev/block/loop4
    /dev/block/loop5
    /dev/block/loop6
    /dev/block/loop7
    /dev/block/mmcblk
    /dev/block/mmcblk
    /dev/block/nanda
    /dev/block/nandb
    /dev/block/nandc
    /dev/block/nandd
    /dev/block/nande
    /dev/block/nandf
    /dev/block/nandg
    /dev/block/nandh
    /dev/block/nandi
    /dev/block/nandj
    /dev/block/nandk
    sunxi-mmc.0
    /dev/block/ram0
    /dev/block/ram1
    179:0
    179:1
    93:64
    shell@android:/ $
    ok i hope that was better
     
  12. vampirefo.

    vampirefo. Senior Member Developer

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    Thank you, Traveller1701

    Traveller1701, posts clearly shows /mnt/sdcard see below

    /dev/block/vold/93:64 /mnt/sdcard vfat rw,dirsync,nosuid,nodev,noexec,relatime,u
    id=1000,gid=1015,fmask=0702,dmask=0702,allow_utime=0020,codepage=cp437,iocharset
    =ascii,shortname=mixed,utf8,errors=remount-ro 0 0

    also his ls /dev/block/* shows 93:64 which is what I was looking for.

    also note he has no /mnt/private, so my guess is this /mnt/private shouldn't be on your tablet, look in /mnt and see if /sdcard exists.
     
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  13. kenroy

    kenroy Member

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    yep i did see the differnce between the two and have have looked in /mnt there are these files.. asec, extsd, obb, private, sdcard, secure, usbhost1.
    i have noticed that sdcard is also present in root. both are no to read, write, hidden.
     
    Last edited: Oct 20, 2012
  14. Traveller

    Traveller Super Moderator Staff Member

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    Your output from the mount command is missing the line Vampirefo mentions. You also have an added mount point I don't have (\mnt\private). So your tablet isn't seeing \mnt\sdcard properly. But the odd part here is that it shows up in a file manager. Now why does it not show up when the mount command is executed yet shows up in the list?
     
    Last edited: Oct 20, 2012
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  15. kenroy

    kenroy Member

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    yep sorry to sound dunce, just trying to provide as much as possible. i can see that is whats going on as to sort it out, i dont know.
     

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