Messages in this thread Patch in this message | | | Subject | [PATCH] ACPI: Force acpi_skip_timer_override for Gigabyte GA-MA78GPM-UD2H | From | Angus Turnbull <> | Date | Wed, 23 Nov 2011 11:08:56 +1300 |
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Several Gigabyte motherboards from the SB700 generation have an issue where they will not boot or suspend/resume reliably without "acpi_skip_timer_override" on the kernel command line. I have a GA-MA78GPM-UD2H (AM2+ socket) and the below patch allows it to boot successfully by adding it to the quirks list (the AMD bug detection in early_quirks.c isn't enabling acpi_skip_timer_override automatically).
https://lkml.org/lkml/2011/3/31/195 covered a very similar issue.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/658955 is a bug report with my system information.
diff -ru a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -1466,6 +1466,19 @@ DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6715b"), }, }, + /* + * Buggy Gigabyte ACPI on SB700 boards, will not boot or resume + * reliably without acpi_skip_timer_override (last stable BIOS). + * Affects multiple boards of this generation. + */ + { + .callback = dmi_ignore_irq0_timer_override, + .ident = "Gigabyte GA-MA78GPM-UD2H", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "Gigabyte Technology Co., Ltd."), + DMI_MATCH(DMI_PRODUCT_NAME, "GA-MA78GPM-UD2H"), + }, + }, {} };
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