Today, Chronic Dev Team's member pod2g --the iOS hacker working on an untethered jailbreak for iOS 5.x-- updated his blog announcing thatt Jay Freeman (Also known as Saurik)-- hacker/developer of Cydia-- will be helping him (pod2g) solve cache issue in iPhone 4S untethered jailbreak.
pod2g writes that he figured out the A5 cache is not a problem anymore. He states that he sorted it out by doing the untether in a single thread and by flushing all the dcache then all the icache in a row at a strategical point of the process. He said took him over a hundred of tests to find the key. He then linked to ARM (source link) explaining issues related to self modifying code (or code patching) on the ARM platform.
He goes on to say that he spoke with Saurik about the launchd boot process, and said Saurik found one missing piece of the puzzle he (pod2g) needed to have a perfectly stable jailbreak.
Pod2g claims that joining with Saurik in coding, an untethered iOS 5.0.1 jailbreak should be expected in the very, very near future--as in a few days. However, still no date set in stone.
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