Date: Mon, 03 Sep 2001 20:44:57 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Mike Smith <msmith@freebsd.org> Cc: msmith@mass.dis.org, current@freebsd.org, "David W. Chapman Jr." <dwcjr@inethouston.net> Subject: Re: ACPI errors Message-ID: <XFMail.010903204457.jhb@FreeBSD.org> In-Reply-To: <200109032320.f83NKvn02123@mass.dis.org>
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On 03-Sep-01 Mike Smith wrote:
>> I'm getting this with the recent ACPI code, should I worry about it?
>>
>> acpi_cpu0: <CPU> on acpi0
>> acpi_cpu: CLK_VAL field overflows P_CNT register
>> acpi_cpu: CLK_VAL field overlaps THT_EN bit
>
> You shouldn't worry about it, no. I need to get my hands on some more
> details so that I can understand what's going on here though. The problem
> is that the bits specified to control the CPU clock run/pause ratio overlap
> other bits in the register that are already defined (and spill outside the
> register itself). Either I have an arithmetic error, or your BIOS is
> "broken" and we need to deal with it.
FWIW, Mike, I get the same thing on the quad xeon acer box as well. Been
meaning to report that for a while, as I have some extra debugging printf's:
From dmesg:
acpi_cpu0: <CPU> on acpi0
acpi_cpu: CLK_VAL field overflows P_CNT register
XXX: cpu_duty_offset 0, cpu_duty_width 0, duty_end -1
acpi_cpu: CLK_VAL field overlaps THT_EN bit
acpi_cpu1: <CPU> on acpi0
acpi_cpu2: <CPU> on acpi0
acpi_cpu3: <CPU> on acpi0
From acpidump:
Scope(\_PR_) {
Processor(\_PR_.CPU0, 1, 0x410, 0x6) {
}
}
Processor(\_PR_.CPU1, 2, 0x410, 0x6) {
}
Processor(\_PR_.CPU2, 3, 0x410, 0x6) {
}
Processor(\_PR_.CPU3, 4, 0x410, 0x6) {
}
--
John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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