Date: Wed, 17 Nov 2004 20:48:04 -0700 (MST) From: Warner Losh <imp@harmony.village.org> To: nate@root.org Cc: sos@DeepCore.dk Subject: Re: [PATCH] Please test: new ACPI release (20041105) import Message-ID: <20041117.204804.71148446.imp@harmony.village.org> In-Reply-To: <419C1A7A.6050000@root.org> References: <419C00A7.7030300@root.org> <20041117.202521.74694027.imp@harmony.village.org> <419C1A7A.6050000@root.org>
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> 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
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