Re: [PATCH] arm: vexpress: Clear sysctl cfgctrl start bit

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On 24.01.2013, at 19:57, Peter Maydell wrote:

> On 24 January 2013 18:54, Alexander Graf <agraf@xxxxxxx> wrote:
>> On 22.12.2012, at 20:03, Christoffer Dall wrote:
>>> The start bit should only be set to indicate that a function call is
>>> underway, right now.  When done with function, clear it.
>> 
>> Is this the reason 3.8 doesn't run properly?
> 
> It appears to be one of the reasons. The other is that
> the kernel is trashing the device tree because it
> happens to be sitting in the same page as the last
> part-page of the initrd, and free_initrd_mem() rounds
> up to a page boundary when poisoning memory after
> the initrd has been uncompressed.
> 
> I think there is also some noise because we don't
> emulate the oscillator and voltage regulator control
> sysregs, but the kernel boots anyway.

Does it reboot / shut down for you with this patch?


Alex

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