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SubjectRe: [PATCH] x86: default to reboot via ACPI
On Mon 2008-08-25 13:11:27, Avi Kivity wrote:
> Triple-fault and keyboard reset may assert INIT instead of RESET; however
> INIT is blocked when Intel VT is enabled. This leads to a partially reset
> machine when invoking emergency_restart via sysrq-b: the processor is still
> working but other parts of the system are dead.
> Default to rebooting via ACPI, which correctly asserts RESET and reboots the
> machine.
> This is safe since we will fall back to keyboard reset and triple fault if
> acpi is not enabled or if the reset is not successful.
> Signed-off-by: Avi Kivity <>

"ACPI" and "safe" in one sentence. /me bets this will break lot of

What about only doing that when enabling VT?

(cesky, pictures)

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