Date: Tue, 13 Jul 2004 16:55:52 +0200 From: Andrea Campi <andrea@webcom.it> To: Taku YAMAMOTO <taku@tackymt.homeip.net> Cc: freebsd-acpi@freebsd.org Subject: Re: [FOUND}: CPU Cx states not working with recent kernel on Thinkpad Message-ID: <20040713145552.GB47428@webcom.it> In-Reply-To: <20040713234143.051ddd3e.taku@tackymt.homeip.net> References: <20040706084203.GB19813@webcom.it> <20040713122312.GA47428@webcom.it> <20040713234143.051ddd3e.taku@tackymt.homeip.net>
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Hi,
On Tue, Jul 13, 2004 at 11:41:43PM +0900, Taku YAMAMOTO wrote:
> I suspect it's because acpi_timer0 gets attached and sits on
> not-yet-managed resources before acpi_sysresource0 reserves
> resources for later use.
>
> We can confirm that by temporarily disabling acpi_timer by
> debug.acpi.disabled="timer" to see the working acpi_cpu.
That's confirmed; disabling the timer fixed the issue, and devinfo
confirms what you said:
--- devinfo.bad Tue Jul 13 13:56:21 2004
+++ devinfo.fixed Tue Jul 13 16:48:13 2004
@@ -3,10 +3,11 @@
acpi0
Interrupt request lines:
0x9
- acpi_timer0 pnpinfo Unknown at magic=unknown
- I/O ports:
- 0x1008-0x100b
cpu0 pnpinfo _HID=UNKNOWN _UID=0 at path=\_PR_.CPU_
+ I/O ports:
+ 0x1010-0x1013
+ 0x1014
+ 0x1015
acpi_tz0 pnpinfo _HID=UNKNOWN _UID=0 at path=\_TZ_.THM0
unknown pnpinfo _HID=UNKNOWN _UID=0 at path=\_TZ_.FANP
unknown pnpinfo _HID=PNP0C0B _UID=0 at path=\_TZ_.FAN_
@@ -186,6 +187,7 @@
0xb0-0xb5
0xb8-0xb9
0xbc-0xbd
+ 0x1000-0x103f
0x1040-0x104f
0x15ea-0x15ef
0xfe00-0xfe0f
Thanks for the help; I'll keep an eye on the usual places for the
real solution.
Bye,
Andrea
--
To boldly go where I surely don't belong.
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