Date: Fri, 19 Sep 2008 16:20:29 +0200 (CEST) From: Oliver Fromme <olli@lurza.secnetix.de> To: freebsd-stable@FreeBSD.ORG, jhb@FreeBSD.ORG Subject: Re: ACPI "blacklist" question Message-ID: <200809191420.m8JEKTEf002635@lurza.secnetix.de> In-Reply-To: <200809171144.48424.jhb@freebsd.org>
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John Baldwin wrote:
> On Wednesday 17 September 2008 07:47:18 am Oliver Fromme wrote:
> > I have recently updated a machine to 7-stable.
> > ACPI doesn't seem to work correctly on this machine.
> > With earlier versions of FreeBSD (including the latest
> > RELENG_6), I got this line in dmesg:
> >
> > ACPI disabled by blacklist. Contact your BIOS vendor.
> >
> > And everything was fine. The box runs perfectly well
> > with ACPI disabled. (I can't get a BIOS update because
> > the mainboard is too old.)
> >
> > When I updated to RELENG_7 a few days ago, the above line
> > did _not_ appear anymore, and the machine didn't proceed
> > [...]
>
> This is a regression. Try this fix:
>
> Index: acpi_quirk.c
> ===================================================================
> --- acpi_quirk.c (revision 183112)
> +++ acpi_quirk.c (working copy)
> @@ -149,9 +149,9 @@
> if (ACPI_FAILURE(AcpiGetTableHeader(ACPI_SIG_FADT, 0, &fadt)))
> bzero(&fadt, sizeof(fadt));
> if (ACPI_FAILURE(AcpiGetTableHeader(ACPI_SIG_DSDT, 0, &dsdt)))
> - bzero(&fadt, sizeof(dsdt));
> + bzero(&dsdt, sizeof(dsdt));
> if (ACPI_FAILURE(AcpiGetTableHeader(ACPI_SIG_XSDT, 0, &xsdt)))
> - bzero(&fadt, sizeof(xsdt));
> + bzero(&xsdt, sizeof(xsdt));
>
> /* Then, override the quirks with any matched from table signatures. */
> for (entry = acpi_quirks_table; entry->match; entry++) {
The patch fixes the problem. The blacklist message is
now back again, and the machine boots without hints
right out of the box. Thanks!
Best regards
Oliver
--
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'Instead of asking why a piece of software is using "1970s technology,"
start asking why software is ignoring 30 years of accumulated wisdom.'
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