Re: [PATCH] Please test: new ACPI release (20041105) import

From: Warner Losh <imp_at_harmony.village.org>
Date: Wed, 17 Nov 2004 20:48:04 -0700 (MST)
> My serial port.  It's named UART in the AML, that's all.  Setting it to 
> D3 hangs the system.

Is it a PCI device too?  If not, then maybe you need to disable
interrupts in the UART before setting the power state.  Chances are
its interrupt cause register is returning 0xff, which hangs sio, since
it never breaks out of the loop when this happens.

Warner
Received on Thu Nov 18 2004 - 02:48:38 UTC

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