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Scott,<br>
<br>
The patch "Convert some mftb/mftbu into mfspr" (<a
href="https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/powerpc/include/asm/reg.h?id=beb2dc0a7a84be003ce54e98b95d65cc66e6e536"
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background-color: rgb(255, 255, 255);">beb2dc0a7a84be003ce54e98b95d65cc66e6e536</a>)
breaks startup on MPC885.<br>
<br>
The CPU traps (SoftwareEmulation trap) at sched_clock() when trying
to read TBU with mfspr.<br>
<br>
Reverting the patch solves the issue.<br>
<br>
What's the prefered way to fix this ?<br>
<br>
Christophe<br>
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