http://bugzilla.kernel.org/show_bug.cgi?id=10927





------- Comment #34 from [EMAIL PROTECTED]  2008-06-18 08:50 -------
1. We know that the value of DS is correct, so the value of SS should be
correct too, because it's the same value, and therefore our assumption that
we've been called at CS:0 is satisfied.

2. We know that write accesses to the stack segment cause reboots.

---

Assuming that is correct, this means we're either in Protected Mode or we're in
real mode, but a transition from protected mode to real mode was botched and
there are broken segment attributes bits still in the descriptor registers.

The SMSW instruction can be used to tell if we're in protected mode or not.


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