On Wednesday 17 September 2008 07:47:18 am Oliver Fromme wrote:
> Hello,
>
> 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
> to boot, so I had to travel to the console. :-(
> After disabling ACPI manually via boot.conf hint, it is
> up and running fine again.
>
> Now i'm wondering: Has the ACPI blacklist been removed
> intentionally, or is this a regression? Certainly I did
> not find any mentioning of it in UPDATING or anywhere
> else.
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++) {
--
John Baldwin
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