Unusal issue - Nexus 7 General

morning folks, just looking for a bit of help, just got a nexus 7 week or two ago and am looking to work on my owmn personal mods to kernel etc (probably wont release any as yet) but every boot image i try to flash wont boot at all - even fastboot boot refuses to do anything, any ideas what my issue is

Does not boot...any sign of life after the flash, or does the flash itself fail? I believe you have unlocked the bootloader but it's still worth a check.

bootloader is unlocked yes, if i do fastboot boot boot.img it just sits at bootng downloaded image, if i flash the img it sits at google logo permanently

This is the dev section, threads not related to development does not belong here, questions goes to the Q&A section..
And it seems that you device is done for..
Beamed from my Maguro.

Not really as it is dev related as its related to my own development on the device, its not device as I'm using it now after reflashin 4.3
Sent from my Nexus 7 using Tapatalk HD

Okay the only kernels that will work on 4.3 properly are faux's kernel, vorcer's kernel and Tasssadar's kexec kernel. Others won't work.

Problem is no kernel will boot including on 4.2 it seems like I may not be building boot right or something
Sent from my Nexus 7 using Tapatalk HD

Try the zImage separately. If it works and you still need help creating a boot.img, lemme know.

DJ_Steve said:
Problem is no kernel will boot including on 4.2 it seems like I may not be building boot right or something
Sent from my Nexus 7 using Tapatalk HD
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I'm no expert, so I can't help, but it seems like you are being very vague. You do not have any clue as to steps you took that are possibly incorrect? It just seems like you won't get much help if you don't share some details. I could be wrong.
Sent from my Nexus 7 using xda premium

I can share details as needed, not being intentionally vague and have been building kernels for android for some time hence I am pretty experianced but suspect n7 has some slightly different ways of building a working boot IMG than I'm used to
Sent from my Nexus 7 using Tapatalk HD

DJ_Steve said:
I can share details as needed, not being intentionally vague and have been building kernels for android for some time hence I am pretty experianced but suspect n7 has some slightly different ways of building a working boot IMG than I'm used to
Sent from my Nexus 7 using Tapatalk HD
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Ahh, sorry then, guess I was just being nosy.
Sent from my Nexus 7 using xda premium

Try what I said. If the zImage works for you then you are aren't packing the boot.img correctly.

Hello DJ_Steve,
Familiar with you from your work on the Dell Streak 7. If you don't find a solution, try the developer only discussion thread here: http://forum.xda-developers.com/forumdisplay.php?f=2071
Looking forward to any work that you may do for the N7.
Mike T

Try erasing boot then flash the stock boot image again?
Sent from my Nexus 7 using xda premium

sgt. meow said:
Try what I said. If the zImage works for you then you are aren't packing the boot.img correctly.
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Click to collapse
I agree.
Flash a stock boot.img for the ROM version you are on then use koush's any kernel method to flash the zImage.

Related

Problems Flasing Recovery

Ok, so I spent the last 5 hours reading through this forum and trying all sorts of things, now it is time to ask somebody who knows what they are doing.
I am trying to get my T-Mob 2.2.2 to Honeycomb. Why? Because I had to change a broken screen and was stupid enough to rip the cable for the menue keys and since we don't need them on honeycomb, that seems to be the way.
So I went through Manii's instructions and downloaded all the drivers etc. so far so good. Even used the tricks hidden in the orum to force windows to install the drivers. I am on xp. My device manager shows Dell Android ADB device. The streak shows 'starting fastboot USB download protocol' and does not move from there.
I ran adb to see if it works. adb reboot rebooted the Streak, so it seems fine. Now the problem is fastboot.
in cmd I type: 'fastboot flash recovery-froyo-US.img'. the recovery file is in the same path as fastboot.
This is what I get:
Unknown partition 'recovery-froyo-US.img'
error: cannot determine image filename for 'recovery-froyo-US.img'
I am hoping somebody can help me out here.
Thanks
Why is there a dash between recovery and froyo.you should remove that dash also why do you name the recovery to a hard name it will make the process more complicated so go to were you put the recovery and rename it to "recovery" onlyyy and without the quotes then put into bootloader and then go into fastboot and type cd C:\the name of the folder were you put the fastboot and the recovery and press enter then type fastboot flash recovery recovery.img that's it
Never tell anybody outside the family what you're thinking again.
Fastbooy flash recovery <path to recovery>
Sent from my Dell Streak 7 using xda app-developers app
While your at it might as well flash cwm too. Changing the file name to recovery makes it a whole lot easier. Also why are you flashing a Froyo recovery if you are going to be on HC? Or is that the way tmo does it?
Sent from my Dell Streak 7 using xda app-developers app
Solved
treefrog20012003 said:
While your at it might as well flash cwm too. Changing the file name to recovery makes it a whole lot easier. Also why are you flashing a Froyo recovery if you are going to be on HC? Or is that the way tmo does it?
Sent from my Dell Streak 7 using xda app-developers app
Click to expand...
Click to collapse
Froyo is required to than use the update.pkg for T-Mobile. Since T-Mob did not support the honeycomb update, this is the only way.
So, I found my mistake. It had nothing to do with the path and the name, the file can be named whatever it wants to be named.
I simply forgot one term.
Fastboot flash RECOVERY filename.
Pretty stupid looser newbee mistake. Finally running now. Somebody mentioned they had some problems with a flickering screeen on the lower right (in landscape mode) after update, guess I have the same. Just insstalled a new screen, so that would not be the problem, any ideas?
Thanks for all your help
Ur welcom
Trying to get past 10 posts so i can post working jelly bean for ds7 in dev section lol
Sent from my Dell Streak 7 using xda app-developers app
long6688 said:
Ur welcom
Trying to get past 10 posts so i can post working jelly bean for ds7 in dev section lol
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Click to collapse
One more to go :laugh: ...but seriously, JB on DS7, does that make any sense? I have to say, I am not even impressed by HC, the screen resolution does not really cater to any of the newer OS.
slotti said:
One more to go :laugh: ...but seriously, JB on DS7, does that make any sense? I have to say, I am not even impressed by HC, the screen resolution does not really cater to any of the newer OS.
Click to expand...
Click to collapse
we already have JB working on DS7, still in dev process but it boots
I have 1 fully working taken from some chinese website, include camera driver and gps fix
Sent from my Dell Streak 7 using xda app-developers app
long6688 said:
I have 1 fully working taken from some chinese website, include camera driver and gps fix
Sent from my Dell Streak 7 using xda app-developers app
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Click to collapse
:good: can you share that ?
No cause i dpnt have enough post to post a new topic
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long6688 said:
Ur welcom
Trying to get past 10 posts so i can post working jelly bean for ds7 in dev section lol
Sent from my Dell Streak 7 using xda app-developers app
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Click to collapse
I call BS as I am pretty much the only dev working on it. If you had a working JB you would have already posted it.
Sent from my Nexus 7 using Tapatalk 2
giveen said:
I call BS as I am pretty much the only dev working on it. If you had a working JB you would have already posted it.
Sent from my Nexus 7 using Tapatalk 2
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Click to collapse
I have to agree with Giveen here, even though you might make a claim to it you wont get much fame out of it (if any) as you are new to the scene, even I dont get much recognition with the MIUI port (A. because it doesnt work yet B. because nobody really gives a sh!t about a new dev C. I dont go around making claims I cant back up, failed ROMs or not I still make steady progress on this D. nor do I wish to be an attention whore) so unless you can provide a link that has a working JB ROM for the DS7 (that isn't Giveen's) then we might believe you, oh and we will know if you have used Giveen's ROM as there are certain lines of code that only Giveen uses
You could also make a post with it on the general section with it and ask a dev to move the page. So yes I am also calling shinnanigans.
Nothing says you cant simply make a thread here and ask for it to be moved (or you can even leave it here and it will be moved anyway as it belongs there)
so thread closed on account of mass BS by n00b RE the supposed development of JB for S7 by the chinese? I think yes

Ubuntu installed

Just finished installing ubuntu and dual boot on my N7. Install was easy did it through my desktop. pretty cool. went quick too. cant wait to start doing more.
What is this, Facebook?
Sent from Nexus 7
chasmodo said:
What is this, Facebook?
Sent from Nexus 7
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Yes. Didn't you notice the name change?:silly:
Op. Care to tell us anything else other than 'I did it'. Maybe the process, make a guide, anything at all that would make the community better?
Lol. Sorry. There is a ROM in the original development section that let's you dual boot. You can download the boot image from there.
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This is totally Twitter worthy.
Sent from my Nexus 7
Sorry. Mods please delete. I'm pretty new to doing things like this I was just excited. Didn't realize that people would get bothered by me making a thread. Definitely should have known better.
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Do you have a custom ROM and Ubuntu or stock ROM with Ubuntu?
Sent from my Nexus 7 using xda app-developers app
AOKP 4.2 and Ubuntu. I was running the Multi ROM from the Original Android Development section. It does just that, lets you running several ROMS. I don't have much of a need other than AOKP and Ubuntu but it's awesome you can choose which ROM to boot. I wound up screwing up everything last night by messing around. I wiped my entire tab. I loaded Ubuntu on my PC and managed to reinstall Ubuntu on my tablet, while wiping out everything. So now I have to redo everything. That's what I get for messing around with things I have no idea about. But for me thats the only way I learn.
If you want to run Ubuntu too, check out the Multi ROM. Works very well for me and seems like for quite a number of others.

New Ubuntu OS mobile

The new OS mobile UBUNTU is coming: http://www.pcworld.fr/telephonie/actualites,ubuntu-phone-os-pour-smartphones,534641,1.htm
Hope to see that fast port on our Nexus 7!!
We already have Ubuntu for our Device... Ubuntu OS Mobile looks more to adapt The screen of phones like The Galaxy Nexus...
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eselmd strong
This thing is going to be completely amazing, can't wait for it.
I can't wait for this. I won't be putting it on my N7 though. It'll be going on my N4. Gotta keep some Android in my life.
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jnewman1991 said:
I can't wait for this. I won't be putting it on my N7 though. It'll be going on my N4. Gotta keep some Android in my life.
Sent from my Nexus 7 using xda premium
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have you considered Multiboot? it allows you to dual (or triple, quadruple, whatever) boot android and ubuntu (or anything else). i haven't gotten it working yet, but many others have.
p34rp34r said:
have you considered Multiboot? it allows you to dual (or triple, quadruple, whatever) boot android and ubuntu (or anything else). i haven't gotten it working yet, but many others have.
Click to expand...
Click to collapse
I have Multiboot working on my Nexus 7, it's quite easy actually:
- First flash an working rom to your Nexus
- Flash the modified recovery using fastboot flash recovery xxxxx.img
- Flash the Multiboot ZIP using the recovery
- Flash the modified kernel ZIP using the recovery
Reboot and you will see the Multiboot boot selector
Currently I have JB and Ubuntu installed on my Nexus 7, trying to get WebOS and Bodhi working as well

Ubuntu Touch?

Just curious. Is anyone working on a port of Ubuntu Touch for the RAZR i? If the answer is yes then awesome, if not then I'm gonna give it a shot. Would you guys be interested in using it?
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I'd be interested in using it.
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I was just reading up on it and officially they use cm10 as a base but they say you can also use an aosp ROM as a base. That means I could theoretically use the retail EU ROM for the RAZR i as the base and make porting a lot easier
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I'd be interested if it's installable as a dual-boot (and yes, that's possible; look at the HP Touchpad (which I also have) which now dual-boots Ubuntu Touch and webOS).
Dual booting would totally be possible. Just have to use a boot loader that can handle it. Don't think there exists a custom boot loader for the RAZR i yet though. Although I don't think it would be too difficult to install syslinux for example.
Sent from my XT890 using Tapatalk 2
Maybe we could use moboot like the HP Touchpad? It's open source so in theory we could compile it for the Razr i.
Kov3nant said:
Just curious. Is anyone working on a port of Ubuntu Touch for the RAZR i? If the answer is yes then awesome, if not then I'm gonna give it a shot. Would you guys be interested in using it?
Sent from my XT890 using Tapatalk 2
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Click to collapse
very interested. you believe it's possible?
paulle said:
very interested. you believe it's possible?
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Click to collapse
It's definitely possible. And even easier than porting an android rom. You can use any aosp ROM as a base. Ubuntu just needs the kernel the drivers, and the radio. That's it. There are step by step instructions in the Ubuntu wiki on how to "plug in" these files into Ubuntu touch, then you compile, and flash using adb. It's fairly straight forward. Once it's working, I'll work on porting a boot loader that supports multiple partitions. I know that's possible because I'm currently dual booting cm10 and Arch Linux on my evo 3D.
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I'd be interested in trying it out, but I also want to encourage this because it sounds like it would give us a good AOSP base to work off of for other Android ROMs.

Samsung - SM-G730A

Hello everyone, I just wanted to know is there any development currently done for the Samsung Galaxy Slll mini SM-G730A.
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I really feel disappointed to see that there is only one root method for this device and there is no CWM recovery or TWRP, This device don't even have Dowload Mode, How I'm going to flash a custom rom??? i have several devices all of them rooted running custom roms, and this is the newest and the worst since i can't make any modifications :what::banghead:
Sent from my SGH-I997 using XDA Premium 4 mobile app
alexischino said:
I really feel disappointed to see that there is only one root method for this device and there is no CWM recovery or TWRP, This device don't even have Dowload Mode, How I'm going to flash a custom rom??? i have several devices all of them rooted running custom roms, and this is the newest and the worst since i can't make any modifications :what::banghead:
Sent from my SGH-I997 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
If you want it so bad then why don't you try to make it happen?
Since there is root, it shouldn't be impossible to start by dumping partitions and share them to make it available for whoever want's to take a look at it.
tys0n said:
If you want it so bad then why don't you try to make it happen?
Since there is root, it shouldn't be impossible to start by dumping partitions and share them to make it available for whoever want's to take a look at it.
Click to expand...
Click to collapse
I totally forgot about that,once I get my new laptop i will start right away to post the partitions dump files, thanks for the heads up.
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i posted the partitions in my root thread.. and there is download mode get quick boot pro and you can get to it..
also i was going to work on a recovery but the website that builds them has been down. and I dont really want to configure a whole fedora box and start from there.
this is really strange! i try the 3 button combo when I get this phone and didn't work but I try again today and yes it has the (download mode) and the (3e recovery) :what:
Sent from my SAMSUNG-SM-G730A using XDA Premium 4 mobile app
I have a G730A and I want CyanogenMod 10.2. I am willing to help develop and test. I have very basic programming skills, and some Linux skills (currently do not have Linux installed though). If I am told what to do I can research how to do it and get it done. I just need instructions.
And if having linux is going to make it way easier, I can install it. I prefer Ubuntu but I can work with Fedora.

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