Okay so here it goes. I had missing IMEI problem in a custom ROM when not on a samsung base. I had a neatefs (app on android) backup which I tried to restore using HC ktool (Bad idea, I know). It gives me a successfully done message and tells me to reboot. Now my phone is stuck in bootloop no matter what (Stock firmware, wipe data, factory reset nothing works) and the recovery gives the error mentioned in the title.
/efs is unmountable for me. I tried various methods mentioned for S3 and Note such as connecting the phone in ADB mode and following the steps but none of that works.
Have you tried formatting /system, /boot, /preload /storage/sdcard0 ? From a rooted kernel, of course.
And then trying reflashing the original stock rom.
hope this helps http://forum.xda-developers.com/galaxy-s3/general/how-to-fix-efailed-to-mount-efs-invalid-t2858056
AKAndrew41 said:
Have you tried formatting /system, /boot, /preload /storage/sdcard0 ? From a rooted kernel, of course.
And then trying reflashing the original stock rom.
Click to expand...
Click to collapse
I have tried formatting /system and I don't think that formatting /sdcard0 is going to help, it will just increase the burdon of data transfer. As for others, I was afraid it will make more mess than solve any. Are you sure formatting those will not affect anything?
ruleh said:
hope this helps http://forum.xda-developers.com/galaxy-s3/general/how-to-fix-efailed-to-mount-efs-invalid-t2858056
Click to expand...
Click to collapse
I've tried all that, none helps. I've even installed a busybox as mentioned somewhere else which said that the syntax mke2fs is not available without a busybox. Nothing worked. Still unable to mount efs afterwards.
pHraiL^ said:
I have tried formatting /system and I don't think that formatting /sdcard0 is going to help, it will just increase the burdon of data transfer. As for others, I was afraid it will make more mess than solve any. Are you sure formatting those will not affect anything?
Click to expand...
Click to collapse
I'm pretty sure it won't damage anything, or at least to me didn't. Because whenever I want to reinstall a new ROM I always format everything I've mentioned earlier so I don't find it harmful for the device, as long as you don't have data worth backing up.
Also, wipe dalvik.
If you installed busybox, make sure you uninstall the previous version prin pressing uninstall, and them installing 1.23.1 because for me sometimes it says it's intalled, but after reboot I still have the old one.
After you do that, connect phone to PC and try running
adb shell
Once you do that, give a try to the command
umount -f /efs
even if it says it's umounted, then type
mount /dev/block/mmcblk0p3 /efs
mke2fs /dev/block/mmcblk0p3
mount -w -t ext4 /dev/block/mmcblk0p3
Click to expand...
Click to collapse
These two are the commands everyone is talking about the S3 phone having same issue. I tried everything. The first command works and it shows something like:
"The filesystem will be automatically checked every 35 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override."
For the second line of code when I try, this is what I get:
"It says "mount: can´t find /dev/block/mmcblk0p3 in /etc/fstab"
Now I have also tried adding space and /efs to the second command. It gives me nothing, not even any error. So I presume it works but then when I reboot efs is still messed up. I have no idea what these commands does actually. I think it has something related to re partitioning. Shouldn't the second command line give the same output as the first one? Its been a whole day searching for this thing. I got my phone messed up real bad.
EDIT: One more thing, when I hit the # df command on ADB, it shows 3 drives (/dev, /cache, /emmc) when not in su and 4 when in su (/dev, /cache, /emmc, /system). No where it shows any efs partition. Is there suppose to be any?
EDIT2: After the second line command. Using mount -t following someone's guide I get the efs partition but I think it is way too small. See the attachment. This partition is gone again after reboot.
OH GOD I got it working. After more searching, I found out the the block used for efs storage in S2 is mmcblk0p1 not mmcblk0p3. Phew!
Follow the same commands to make it work. Just rename the block.
Here is a guide which helped me figure out the block: http://www.usoftsmartphone.com/t306464.html
Thanks everyone
im having same trouble now with the S7. the page you share not there anymore. please share me how to figure out the block
Related
Hi
Since ever I noticed a weird thing on XMP: /cache partition is always almost empty.
Yes, I checked many times during a long time, it's like is never used.
Code:
$ df
/cache 101.5M 1.1M 100.4M 4096
I have only an empty lost+found dir and two files under recovery dir:
Code:
# ls
-rw-r--r-- root root 105 2012-12-15 02:07 last_install
-rw-r----- root root 3214 2012-12-22 10:36 last_log
For example, in a previous phone /cache was actively used by market for downloading packages before installing them.
Here on XMP I can't upgrade also small packages (40+ megs free on /data) 'cause they're downloaded in /data and fill it before being upgraded, and /cache remains always empty.
In addition, if for some reason playstore crashes while downloading a big app (30megs+), it leaves my /data (almost)full and I must remove by hand a large temporary file from /data/system.
Well, /data is used instead of /cache, 100mb wasted in this way.
Someone else finds experiences the same behaviour?
I was thinking about a linking trick to use that space (for dalvick or swap...), but I'd prefer it would be correctly used by system.
Infos: SK17i, stock .587, root, locked BL, link2sd.
Thanks, bye.
Same in Xperia Mini
Well, this isn't nice...
some ideas
Hello! I was doing several searches and come to some results:
Note: I will not try it on my phone (Xperia Mini Pro) because I'm still an apprentice to flash and modify it, and secondly I have no resources to change my phone if something goes wrong. Finally, sorry for the grammatical errors, I do not speak English natively.
The following are links taken from different forums / blogs (neither is my property).
The general idea is the same, use parted (or any similar app) to edit the partitions inside the phone.
One of the problems that arise and I have doubts about is, what is the file system of internal partitions? ext3?. is something that I have to keep reading.
This is the first blog I found where it gives a possible procedure to follow:
http://aarondiep.blogspot.com.ar/2011/11/resize-partition-on-android.html
Here's a post where one of the users that modify his partitions and, later, returned to stock status.
http://www.droidforums.net/forum/htc-droid-eris/78650-internal-storage-partitions-screwed-up.html
Here is a guide on how you use parted (includes screenshots) BUT IT DOES WITH THE SD CARD
http://mobilecon.info/how-to-partition-sdcard-using-parted-partition.html
Finally, a tool for YAFFS2 file system:
http://forum.xda-developers.com/showthread.php?t=1645412
I hope these links are useful. I really would like to use optimally all the hardware of the phone.
Exitos!! :laugh:
Hi!
Thanks for your interest!
Resizing partitions, I read time ago, is a really critical operation.
I expect to have /cache partition as it has been made, the problem is that apps do not use it!
Resizing that block device to, let's say, zero, would give space to other partitions, but we'd lack a cache.
I definitely believe one of master questions is: where the hell does playstore download packages before installing?
During a big upgrade (let's say angry birds Rio 30+ megs) with df I only see /data growing (and /cache always empty), but after a lot of searching for newest and biggest files (busybox ls -ltrh, busybox ls -Shl) I could not find where they are put.
Once found this download location (no, it's not /data/data/com.android.vending/cache/main), would be easy to bind /cache to this dir.
Apk files from Google Play is downloaded to: data/data/com.android.providers.downloads/cache/
Wysyłane z mojego SK17i za pomocą Tapatalk 2
Hi
Many thanks for this tip!
Well, it's true apk are downloaded there.
BUT I see a strange behaviour: when I recieve the "low memory" (space on /data partition) notification, the apk suddenly disappears! :what:
In logs I see a lot of "couldn't openat chache: no such file or directory" immediately before low space notification log line...
You can use cache as swap if your kernel support it..
Sent from my Walkie'Talkie
Hi
Well, i symlinked /data/data/com.android.providers.downloads/cache to /cache/cache, and the partition is now correctly used by play store.
Is really strange that this is not a system default, btw.
EDIT: the /cache/cache was regularly erased by system, I symlinked /data/data/com.android.providers.downloads/cache to /cache and all is ok now.
EDIT2: you must previously remove (rmdir) the existing /data/data/com.android.providers.downloads/cache!
Could you put the exact command?
luchoz said:
Could you put the exact command?
Click to expand...
Click to collapse
Code:
ln -s /data/data/com.android.providers.downloads/cache /cache
:good:
thank you!!
would use XD
New info!!
http://forum.xda-developers.com/showthread.php?t=1959691
Really interesting
Hello xda, have not found a solution using search on this site so forgive me if i didnt find it and it is there. Basically when i try to use parted on my data partition (stl13) located in /dev/block it freezes. I have a Samsung Replenish which is semi-bricked...i think i found the reason for this which is my /system /data /cache somehow went back to rfs when then custom rom i installed changes those 3 to ext4...was going to delete and remake the partitions, however adb freezes on stl13 which is my /data (stl12 is system, stl14 cache)...i have a CWM based recovery that i can boot into however it fails to format or mount /data, it just freezes. same thing when trying to reinstall the rom. any help or push in the right direction would be really appreciated, have been trying to figure out on my own/scour the internet for a solution but this isnt a very popular device. thanks!
Hello. At first I want to ask if any of you working on Gingerbread experienced "Force Close" loop on restart for many applications (for repair required format /data backup or restore via CWM)?
I spent a lot of time to get to the source of the problem, because even though the system version of JB's okay, it's GB is more stable and does not eat much RAM, moreover is much better for multitasking in the current situation.
Get to the point. The problem appears to be that from time to time, as in any filesystem, in the user partition (/ data) errors may occur that normally are repaired at boot time by e2fsck program. Moreover, in the case of my own and yet another piece of Samsung I8160 e2fsck is unable to complete repairs due to an error related to the library supports file systems.
When I connect ADB in recovery mode, umount /data and issue the command "e2fsck -y -f /dev/block/mmcblk0p5" the mass of errors are discovered, and repairing starts, but of course does not end well:
Code:
"FILESYSTEM WAS MODIFIED,
invalid argument passed to ext2 library while rewriting block and inode bitmaps "
...which tells that filesystem was modified, but the wrong argument was passed to the filesystem library and the correct structure not been written completely, resulting in an even greater massacre on the partition. It is not difficult to guess that the system will not boot normally (/data mounted in read only mode), and applications will start the "Force close" loop .
The story is not only on my phone, but also in other arts. After formatting it for a few weeks until you see the error and restart. After restoring a backup via CWM has usually only until the next reboot.
Has anyone experienced this? Is anyone able to solve this problem?
I tried stock ROM and kernel, reflashing, substitution of e2fsck binaries and libext2fs libraries. Chip does not have bad blocks, checked by dd command and calculated CRCs.
Please don't reply "do full wipe," not considering myself an Android noob, I want to solve the problem.
Have you ever tried to do filesystem check on Gingerbread and did it work for you? "e2fsck -y -f /dev/block/mmcblk0p5" ?
Can you restart the phone without problem?
Can you try if it works now?
Part of the log with dmesg at boot:
Code:
<4> [10.306152] EXT4-fs warning (device mmcblk0p5): ext4_clear_journal_err: Filesystem error recorded from previous mount: IO failure
<4> [10.306213] EXT4-fs warning (device mmcblk0p5): ext4_clear_journal_err: Marking fs in need of filesystem check.
<4> [10.331756] EXT4-fs (mmcblk0p5): warning: mounting fs with errors, running e2fsck is recommended
============SOLUTION==============
No one in this and general android forum was able to help me. So I had to find solution on my own.
It seems, that CWM 5 (on my 2.3.6 XXLL2 Samsung I8160 kernel) formatting procedure has bugs, and after some restarts, e2fsck tries to repair filesystem, but it can't because of non standard(?) structure on partition.
How to solve this:
Get your own mke2fs binary and boot into CWM, connect ADB and format /data using mke2fs. This works fine with e2fsck. No more this problem, just don't use CWM to format/restore /data, just backup/restore it via dd.
If you want to go back to old good&stable GB on I8160 and need help, write me a PM, I'll send you gtalk/jabber.==
The best way to solve this problem, is to flash a new firmware / ROM and start fresh.
If you need a guide or help, feel free to ask me via PM or leaving a reply below.
Be sure to click dat THANKS button if I helped!
Ronny927 said:
The best way to solve this problem, is to flash a new firmware / ROM and start fresh.
If you need a guide or help, feel free to ask me via PM or leaving a reply below.
Be sure to click dat THANKS button if I helped!
Click to expand...
Click to collapse
If it was so simple, I wouldn't ask it on the main forum.
e2fsck is not able to properly end repairing process because of mentioned error:
Code:
invalid argument passed to ext2 library while rewriting block and inode bitmaps
Reflashing, factory reset DOES NOT help in this situation, because after some time every filesystem has some errors that need to be repaired and this does not work as it should.
I get it now.
Anyone else has any idea how to solve this?
bump
Hi guys,
I don't know what piece of info is relevant or not, so I will outline as much as I can.
I was running the latest stable Slimbean with stock kernel, a couple of weeks ago my external sdcard stopped being recognized and would not mount. In Clockworkmod it would show an error mounting what I later learned were 3 different partitions.
Yesterday I installed freegee to try and restore my original partitions, but it would give me an error that my device was not supported. So I uninstalled freegee. The next time I rebooted my phone, it would get stuck on a black screen after the LG logo. I was able to get into recovery and download mode, so I tried the original teenybin with lgpnst and I could not get into recovery, only the LG logo. I then tried the alternate teenybin that boots up with the Google logo and I was able to get into TWRP.
I then sideloaded Houston's aosp KitKat and was able to successfully boot up the phone. I now have no system sounds, no music or media sounds, through the speaker or the headphone jack. Phone audio works through earpiece, speaker and headphones.
Tried wiping and reflashing. I don't know what else to do.
Any ideas would be appreciated.
Thanks.
I also noticed that sensors were not working.
I flashed the W84C27MO84.zip hybrid modem.
This solved the problem with sounds and audio not working and fixed the sensors.
Post your partition table here!!!
Enter in CWM Recovery, connect your phone to computer, open terminal in administrator mode. open adb shell and run this command.
parted /dev/block/mmcblk0
press P and put your result partition screenshot here.
XDFernando said:
Post your partition table here!!!
Enter in CWM Recovery, connect your phone to computer, open terminal in administrator mode. open adb shell and run this command.
parted /dev/block/mmcblk0
press P and put your result partition screenshot here.
Click to expand...
Click to collapse
I wasn't able to do it exactly as you described, but I think I got what you asked for. Hope it helps.
Thanks,
Im so sorry my steps was with Special CWM.
Try this 3 steps on ADB shell.
Code:
dd if=/dev/block/mmcblk0p17 of=/sdcard/mmcblk0p17.bak
mke2fs -T ext4 /dev/block/mmcblk0p17
reboot
good luck!!
XDFernando said:
Im so sorry my steps was with Special CWM.
Try this 3 steps on ADB shell.
Code:
dd if=/dev/block/mmcblk0p17 of=/sdcard/mmcblk0p17.bak
mke2fs -T ext4 /dev/block/mmcblk0p17
reboot
good luck!!
Click to expand...
Click to collapse
Thank you for the response.
What exactly will this do?
I ran what you suggested.
I received "Not enough space to build proposed file system while setting up superblock"
How much free space is required? I have almost 2gigs free
you need to do separate steps. One line is one command. Enter every one line.
And Dont copy paste i see another extra simbols
XDFernando said:
you need to do separate steps. One line is one command. Enter every one line.
And Dont copy paste i see another extra simbols
Click to expand...
Click to collapse
Hello,
Thank you for your responses.
I tried doing it again, one line at a time, but still got the same message after the second line.
Try add -F to the second line like this:
mke2fs -F -T ext4 /dev/block/mmcblk0p17
XDFernando said:
Try add -F to the second line like this:
mke2fs -F -T ext4 /dev/block/mmcblk0p17
Click to expand...
Click to collapse
Hi Fernando,
I tried again with the -F added, but I received the same message about "not enough space..."
Ive been searching for a while for a forum that explains how to root the new nabi 24" BIG TAB HD. trying to install clockworkmod on the tablet.. if anyone can point me in the direction of what I'm looking for that would be greatly appreciated.
jmmac said:
Ive been searching for a while for a forum that explains how to root the new nabi 24" BIG TAB HD. trying to install clockworkmod on the tablet.. if anyone can point me in the direction of what I'm looking for that would be greatly appreciated.
Click to expand...
Click to collapse
As far as I know nobody has talked about it on here except you.
Depending on what kernel patches or android security fixes it has you might be able to try some root programs. There certainly will not be a clockworkmod or TWRP for it yet.
If none of the root methods work it might be possible to use the Dreamtab TWRP.(http://forum.xda-developers.com/android/development/recovery-twrp-2-7-1-0-nabi-dreamtab-hd8-t2813917) If it's like the previous Nabi tablets the bootloader will be unlocked, and you could try booting from that TWRP. The screen and the landscape/portrait might be messed up but it could work. In the last software update to the dreamtab they locked the bootloader so the BIG TAB might be as well. It could be unlocked by
Code:
fastboot oem unlock
^^^ This will ERASE all the data on the tablet.
If you want to try the TWRP way let me know but of course there are dangers involved.
If you try it alone be aware that if you try the dreamtab TWRP load it by
Code:
fastboot boot recovery.img
and NOT
Code:
[STRIKE]fastboot flash recovery recovery.img[/STRIKE]
or you will overwrite your current stock recovery.
also interested! any further info would be great!
schlager said:
also interested! any further info would be great!
Click to expand...
Click to collapse
Do either of you have one? Or just asking?
aicjofs said:
Do either of you have one? Or just asking?
Click to expand...
Click to collapse
i plan to buy one in the next few weeks. mainly need it so i can have two sheets of music in front of me. if there is another tablet that can do that, let me know.
aic, I got one for the kids for Xmas. The Nabi2's have been good but wont last forever, I liked the multi user option and big ass screen on the big tab. Well see how it works out! Once they open and spend time with it I'll be interested in rooting for adaway and such.
codest3r said:
aic, I got one for the kids for Xmas. The Nabi2's have been good but wont last forever, I liked the multi user option and big ass screen on the big tab. Well see how it works out! Once they open and spend time with it I'll be interested in rooting for adaway and such.
Click to expand...
Click to collapse
I have no idea about the BigTab but if it's like the DreamTab it will update when you boot it up. It's hard to get around it. If it does it will likely patch a lot of the more recent exploits that can gain you root. There is the option to try the dream tab recovery like I said above but be really careful with that.
Also one of the Dreamtab updates locked the bootloader. This isn't a big deal as it was unlockable via fastboot. However, if you let the kiddoz, or you start installing a whole bunch of stuff, when you unlock the bootloader you will wipe the tablet back to factory(normal behavior). Best to unlock it as soon as possible.
I own the big tab 20" was able to root using http://forum.xda-developers.com/showthread.php?t=2473747
I did have to unlock the bootloader and tried booting the dream tab recovery from fastboot no dice there so wasn't gonna risk flashing it.
The process took about 20 mins maybe less fully automated it froze at some point so I reset the big tab and tried again at which point kingo program told me I was already rooted download SU was able to update the binary's normal method and been good to go since. Word of warning it does preform a factory reset when you unlock the bootloader so be prepared for that.
I have been working on compiling CWM for the Nabi big tab 20" I'm close but I can't seem to figure out the path for the sdcard currently the recovery boots but can't back anything up with out the correct path entered into the recovery.fstab. This particular tablet does not have a real sdcard nor does it have a slot for an external one. Any help on this would be appreciated when I get it sorted out will add a link for the recovery.
this is what I currently have in my recovery.fstab.
# Android fstab file.
#<src> <mnt_point> <type> <mnt_flags> <fs_mgr_flags>
# The filesystem that contains the filesystem checker binary (typically /system) cannot
# specify MF_CHECK, and must come before any filesystems that do specify MF_CHECK
/dev/block/platform/sdhci-tegra.3/by-name/SOS /recovery emmc defaults defaults
/dev/block/platform/sdhci-tegra.3/by-name/LNX /boot emmc defaults defaults
/dev/block/platform/sdhci-tegra.3/by-name/APP /system ext4 ro wait
/dev/block/platform/sdhci-tegra.3/by-name/CAC /cache ext4 noatime,nosuid,nodev,data=writeback,nodelalloc,errors=panic wait
/dev/block/platform/sdhci-tegra.3/by-name/MSC /misc emmc defaults defaults
/dev/block/platform/sdhci-tegra.3/by-name/USP /staging emmc defaults defaults
/dev/block/platform/sdhci-tegra.3/by-name/MDA /metadata emmc defaults defaults
/dev/block/platform/sdhci-tegra.3/by-name/UDA /data ext4 noatime,nosuid,nodev,data=ordered,noauto_da_alloc,errors=panic wait,encryptable=/dev/block/platform/sdhci-tegra.3/by-name/MDA
/dev/block/platform/sdhci-tegra.3/by-name/TRD /app ext4 defaults wait
/dev/block/sda1 /sdcard vfat defaults voldmanaged=sdcard:auto
When I boot into recovery and attempt to perform a backup to sdcard I get E:Can't mount backup path.
You could download and try a rooting apk like towelroot framaroot or z4root if it has a low android firmware like 2.3.6 or something but only for z4root
I already got it rooted using Kingo root, these tablets are new on the market running kitkat 4.4.4, the end goal I am trying to achieve is making a custom rom but a neassacery first step is to get a working custom recovery so I can backup my stock rom just in case I blow up my tablet =)
lmortal said:
I have been working on compiling CWM for the Nabi big tab 20" I'm close but I can't seem to figure out the path for the sdcard currently the recovery boots but can't back anything up with out the correct path entered into the recovery.fstab. This particular tablet does not have a real sdcard nor does it have a slot for an external one. Any help on this would be appreciated when I get it sorted out will add a link for the recovery.
this is what I currently have in my recovery.fstab.
# Android fstab file.
#<src> <mnt_point> <type> <mnt_flags> <fs_mgr_flags>
# The filesystem that contains the filesystem checker binary (typically /system) cannot
# specify MF_CHECK, and must come before any filesystems that do specify MF_CHECK
/dev/block/platform/sdhci-tegra.3/by-name/SOS /recovery emmc defaults defaults
/dev/block/platform/sdhci-tegra.3/by-name/LNX /boot emmc defaults defaults
/dev/block/platform/sdhci-tegra.3/by-name/APP /system ext4 ro wait
/dev/block/platform/sdhci-tegra.3/by-name/CAC /cache ext4 noatime,nosuid,nodev,data=writeback,nodelalloc,errors=panic wait
/dev/block/platform/sdhci-tegra.3/by-name/MSC /misc emmc defaults defaults
/dev/block/platform/sdhci-tegra.3/by-name/USP /staging emmc defaults defaults
/dev/block/platform/sdhci-tegra.3/by-name/MDA /metadata emmc defaults defaults
/dev/block/platform/sdhci-tegra.3/by-name/UDA /data ext4 noatime,nosuid,nodev,data=ordered,noauto_da_alloc,errors=panic wait,encryptable=/dev/block/platform/sdhci-tegra.3/by-name/MDA
/dev/block/platform/sdhci-tegra.3/by-name/TRD /app ext4 defaults wait
/dev/block/sda1 /sdcard vfat defaults voldmanaged=sdcard:auto
When I boot into recovery and attempt to perform a backup to sdcard I get E:Can't mount backup path.
Click to expand...
Click to collapse
Did you get that from pulling the stock recovery and extracting the recovery.fstab from the ramdisk?
The internal is likely on /data/media, or data/media/0 if it's like all the other Nabi's. Pretty sure /dev/block/sda1 to mount sdcard is not going to work. I'm not as knowledgeable at CWM as I enjoy TWRP so I'm not sure if there is a boardconfig.mk change you can do or if you need to symlink it in an init.rc file.
aicjofs said:
Did you get that from pulling the stock recovery and extracting the recovery.fstab from the ramdisk?
The internal is likely on /data/media, or data/media/0 if it's like all the other Nabi's. Pretty sure /dev/block/sda1 to mount sdcard is not going to work. I'm not as knowledgeable at CWM as I enjoy TWRP so I'm not sure if there is a boardconfig.mk change you can do or if you need to symlink it in an init.rc file.
Click to expand...
Click to collapse
There was something else there originaly but it didn't work either so I ended up using the following from cat /proc/mounts:
/dev/fuse/mnt/shell/emulated /sdcard fuse rw,nosuid,nodev,realtime,user_id=1023,group_id=1023,default_permisions,allow_other nonremovable
Using the above line in the recovery.fstab allowed cwm to see the sdcard but was still unable to mount it. I have been playing around with different things but I am fairly new to this so my knowledge is limited.
lmortal said:
There was something else there originaly but it didn't work either so I ended up using the following from cat /proc/mounts:
/dev/fuse/mnt/shell/emulated /sdcard fuse rw,nosuid,nodev,realtime,user_id=1023,group_id=1023,default_permisions,allow_other nonremovable
Using the above line in the recovery.fstab allowed cwm to see the sdcard but was still unable to mount it. I have been playing around with different things but I am fairly new to this so my knowledge is limited.
Click to expand...
Click to collapse
I'm not really sure without seeing any of your code(device tree), finished recovery or any of the stock recovery.
I haven't made CWM in so long. Something like?
/dev/null /sdcard datamedia defaults recoveryonly
dd the mmcblock0pX for the recovery and boot and we can make something work. How much space is the recovery partition?
aicjofs said:
I'm not really sure without seeing any of your code(device tree), finished recovery or any of the stock recovery.
I haven't made CWM in so long. Something like?
/dev/null /sdcard datamedia defaults recoveryonly
dd the mmcblock0pX for the recovery and boot and we can make something work. How much space is the recovery partition?
Click to expand...
Click to collapse
I sent you a pm with a drop box link with my files in the mean time gonna try compiling with your suggestion and see what happens.
---------- Post added at 04:17 PM ---------- Previous post was at 03:36 PM ----------
I tried compiling with:
#<src> <mnt_point> <type> <mnt_flags> <fs_mgr_flags>
/dev/null /sdcard fuse datamedia,recoveryonly defaults
It compiled successfully and I was able to flash it, the sdcard showed up in the mount menu but was not mountable still.
---------- Post added at 05:10 PM ---------- Previous post was at 04:17 PM ----------
Okay so my latest build using:
/dev/block/sda1 sdcard fuse defaults nonremovable
Allowed backup to the sdcard of everything with the exception of /data got "Error while making a backup image of /data!"
Also still unable to mount sdcard under the mounts and storage menu.
I believe the reason for the error while backing up data was due to available space when I restarted the tablet there was only 99.59MB available and I think the data would have needed more space then that.
I kept running into problems with CWM recovery but with the help of aicjofs I was able to compile a working TWRP with usb drive support, I don't yet have enough post to make an outside link so if some one can pm me I can give the link to be posted here with the recovery I made.
Working TWRP 2.8.1.0 for Nabi BigTab 20
Here is a TWRP recovery 2.8.1.0 for the Nabi BigTab 20" model
TWRP 2.8.1.0 for NV20A(BigTab20)
Built by @lmortal. We spent a lot of our Sunday sorting all the issue so click the thanks button for Imortal in the post above this one!
aicjofs said:
Here is a TWRP recovery 2.8.1.0 for the Nabi BigTab 20" model
TWRP 2.8.1.0 for NV20A(BigTab20)
Built by @lmortal. We spent a lot of our Sunday sorting all the issue so click the thanks button for Imortal in the post above this one!
Click to expand...
Click to collapse
Fixed an error where /addon was not mounting. re uploaded recovery image to the above link.
I can't unlock my bootloader.
lmortal said:
I own the big tab 20" was able to root using http://forum.xda-developers.com/showthread.php?t=2473747
I did have to unlock the bootloader and tried booting the dream tab recovery from fastboot no dice there so wasn't gonna risk flashing it.
The process took about 20 mins maybe less fully automated it froze at some point so I reset the big tab and tried again at which point kingo program told me I was already rooted download SU was able to update the binary's normal method and been good to go since. Word of warning it does preform a factory reset when you unlock the bootloader so be prepared for that.
Click to expand...
Click to collapse
I've ben trying to root my Big Tab 24". You said you had to unlock the bootloader. I can't get it into bootlad mode or unlock the bootloader. I tried fastboot. I tried every button combination I could think of. (not too many considering it only has three physical buttons) I tried rooting it with Kingo without unlocking the bootloader. Nothing is working. Please help. What am I doing wrong or not doing right?
Fastboot is the boot loader make sure you have USB debugging enabled and connect the tab to a PC you can then use the command "adb reboot-bootloader" the command to unlock is "fastboot OEM unlock"