In article <3A0B27E3.7D10AB64@linux.com>, David Ford <david@linux.com> wrote:
>
>The oddity is that kdb shows the machine to lock up on the popf in
>pci_conf_write_word()+0x2c. I never did get around to digging up this
>routine and looking at the code, but I suspect this is a final return
>from the routine. I'm rather confused however, I have no idea why a
>flags pop would hang the hardware.
Educated guess: it enables interrupts, after it has done something to
the hardware that causes an infinite stream of them.
Linus
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