Rene Herman wrote:
On 12-12-07 21:26, Rene Herman wrote:
On 12-12-07 21:07, David P. Reed wrote:
Someone might have an in to nVidia to clarify this, since I don't.
In any case, the udelay(2) approach seems to be a safe fix for this
machine.
By the way, _does_ anyone have a contact at nVidia who could clarify?
Alan maybe? I'm quite curious what they did...
Summary:
Unless after booting with "acpi=off", outputs to port 0x80 (the legacy
way to delay I/O) reliably, but not immediately, hang MCP51 machines.
Outputs to port 0xed do not indicating it's a not a generic bus abort
problem.
Sorry, the first sentence didn't parse unambiguously for me. Do you
mean "acpi=off" works, or that "acpi=off" allows *subsequent* boots to work?
I have some people at nVidia I can probably ping.
-hpa
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