Former Writer · Aug 23, 2012 at 04:00 am

Safe Kernel for AOSP-Based ROMs on the Epic 4G Touch

For those who haven’t heard, there have been some issues with Samsung ICS leaks and brick bugs. The Samsung Epic 4G Touch was no exception to kernel- and recovery-related issues. When CM9 ROMs were were first coming out on the Epic Touch, they didn’t come with a custom recovery. To flash to a different ROM, users had to flash a Gingerbread kernel containing the proper ClockworkMod recovery, and then use that recovery to flash to a new ROM. This is because the kernel being used suffered from similar issues as the hard brick bug on other Samsung devices. Thus, it meant that trying to wipe and flash a different ROM could result in a hard brick. That problem is now solved.

XDA Recognized Developer chris41g along with XDA Senior Member FranceIsBacon are currently building AOSP-compatible kernels with patched ClockworkMod recoveries. To put it more simply, they have disabled the emmc_cap_erase, which has been identified as one of the big troublemakers in the whole brick bug debacle. The purpose of this is to allow users to flash an AOSP-based ROM, flash their kernel, and then use that recovery to flash to whatever else they want without fear of bricking their devices.

Currently, the kernels are considered to be in the testing phase. They do work and users have reported as much, but none of them are good enough for Chris41g to declare stable. On top of being for AOSP-based ROMs and having a patched recovery, the kernel also has a number of other features including:

New Schedulers
SIO
VR
New Governors
LulzActive
SmartassV2
Hotplug
Pegasusq
CWMv6
Patched eMMC
Battery Tweaks
Speed Tweaks

So if you’re running AOSP-based ICS ROM on the Epic Touch, you may want to look further. Those interested should head over to the original thread.

[Thanks goes to XDA Elite Recognized Developer Entropy512 and XDA Developer Admin / Elite Recognized Developer pulser_g2 for the consults regarding the brick bug.]
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Former Writer

Former Writer is an editor on XDA-Developers, the largest community for Android users. View Former Writer's posts and articles here.
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