All kernels based on GT-I9100 ICS Update4 sources are SAFE (MMC_CAP_ERASE not present) – This includes all CM9 nightlies for SGH-I777, GT-I9100, and GT-N7000, all GT-I9100 custom kernels I am aware of, and all SGH-I777 custom kernels I am aware of.All GT-I9100 ICS leaks and official releases are SAFE (MMC_CAP_ERASE not present).(as opposed to reporting “not supported” and doing nothing.) – A common way of rendering a kernel safe is to remove MMC_CAP_ERASE from the capability flags in drivers/mmc/mshci.c flashing a firmware that has an ICS update-binary and formats the partition could cause a problem even with a “safe” recovery.) So a kernel can be repacked with a “safe” CWM (such as the most recent CF-Root releases) but it will still only be partially safe.ģ) A kernel that allows attempts to erase a partition to actually happen. Note that also, an affected update-binary in a ZIP could be a cause of problems too. Most ICS recovery binaries fit in this category, most Gingerbread recoveries do not attempt to perform an erase operation so are safe. By the way, M8G2FA fwrev 0×11 (seen on some Kindle Fires) is also suspected of being defective.Ģ) A recovery binary that attempts to erase partitions when formatting them. (I’ll provide a link with more detail on the nature of the bug later) – This condition is the one Chainfire’s new app checks for. Any Custom ROM and Kernel that is based from the original Samsung firmware can trigger this bug if the following are met.ġ) A defective eMMC chip/fwrev that is unable to handle eMMC ERASE commands (command 38) properly. This commands can be found on the latest Samsung Firmwares specifically Android 4.0 firmwares while Gingerbread is safe. It can be triggered by faulty chip that can’t handle eMMC ERASE commands. We can safely called this as the MMC_CAP_ERASE bug. This bug is in cheap level and unrepairable if you trigger this. There is a bug discovered that can brick your device. If you are Samsung Galaxy S II and Galaxy Note user who likes to flash Custom ROM and probably test every custom ROM from XDA and other sources then I strongly suggest to hold your flashing galore for now.
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