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[Bootloader Bypass] Kexec for Motorola RAZR by kholk & [mbm]

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By kholk, Retired Recognized Developer on 14th April 2012, 06:58 PM
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16th April 2012, 03:06 AM |#41  
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Nice hack!

but I have no gut to try it, caused my Razr got no leaked fastboot files.
 
 
16th April 2012, 05:54 AM |#42  
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is there any chance this might be ported to the bionic?
16th April 2012, 06:19 AM |#43  
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That's really an excited news. Thanks all you guys to make it happened.
16th April 2012, 07:42 AM |#44  
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Thanks for your work kholk!

I know you warned that it's only work on stockrom... but, i even try on eclipse (XT910 EU razr) and it works , i booted up on custom kernel and have to set governor to on-demand. Pretty smooth but battery life is poor, maybe because of only one core running.

Anyway great work and thanks!
16th April 2012, 07:49 AM |#45  
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The battery life is poor due to lack of deep sleep when running the new kernel :(
Hope that kholk will polish it a bit more :)

Sent from a phone with a locked bootloader....
Last edited by maarawoe; 16th April 2012 at 07:51 AM.
16th April 2012, 08:12 AM |#46  
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my phone alredy lost sleep capability, i don t need kexec to do it

which kernel can we boot.with kexec right now? i hope not just the one kholk provided in the package
16th April 2012, 08:39 AM |#47  
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Well done!

What a great Italy HERO kholk & [mbm] !
16th April 2012, 09:29 AM |#48  
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I just wondered - could anyone explain me why there is a possibility that the second core will never work? - what is the difference between running one or two cores from the kexec's point of view? what seems to be the complication?
16th April 2012, 09:46 AM |#49  
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Quote:
Originally Posted by maarawoe

I just wondered - could anyone explain me why there is a possibility that the second core will never work? - what is the difference between running one or two cores from the kexec's point of view? what seems to be the complication?

if i recall, it's because the CPU made a check at boot with something like Efuse.
And with bypass it can't check so it's in safemode with only one core.

But kholk will be more clear than me
16th April 2012, 12:13 PM |#50  
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how do i know if this is working forsure? this is the first time i have a phone without an unlockable boot loader.

---------- Post added at 01:13 PM ---------- Previous post was at 12:51 PM ----------

Quote:
Originally Posted by rob219

how do i know if this is working forsure? this is the first time i have a phone without an unlockable boot loader.

im asking because i was curious and ran this on my atrix two while watching the video. everything went as it should but after the reboot my kernel isnt the same as in the video. so did it just not work?
16th April 2012, 01:31 PM |#51  
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Hello kholk
I know you talked to Quarx about kexec for Defy and Milestone.

Code:
[15:09:16] <kholk> I've got an OMAP3 device
[15:09:18] <kholk> Motorola Milestone
[15:10:25] <Quarx> you will not do kexec for ML?
[15:12:25] <kholk> Milestone has already got 2ndboot
[15:13:33] <Quarx> 2ndboot is useless..
[15:13:53] <Quarx> radio part/usb/audio doesn't work
[15:14:09] <kholk> even if I port kexec on Milestone
[15:14:16] <kholk> that basically does the same job 2ndboot is doing
[15:14:28] <kholk> I could get USB and audio to work
[15:14:32] <kholk> but radio will never work
[15:14:48] <Quarx> but kexec is not 2ndboot...
[15:15:18] <kholk> yeah, but radio will never work
[15:15:23] <Quarx> why?
[15:15:34] <kholk> TI Wrigley 3G can't be rebooted
[15:15:42] <kholk> and it will panic when reinitialized from nothing
[15:15:51] <kholk> and instead of rebooting itself, it will reboot the entire device
[15:17:03] <Quarx> that's sad:(
[15:18:35] <kholk> yeah
[15:18:43] <kholk> Milestone and Defy users
[15:18:50] <kholk> will never get nothing more than that
[15:19:24] <kholk> sad enough
[15:19:36] <Quarx> no other ways?
[15:19:50] <kholk> probably not
There's really no other ways for devices with OMAP3xxx? There is no option to get radio work? Do not know much about this, I do not want to criticize but maybe you missed something?
kexec our last hope.. Without this, our phones will never be free and the developers will never be able to take advantage of opportunities that they have.

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