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  1. Feb 07, 2009
  2. Feb 06, 2009
    • Len Brown's avatar
      ACPI: disable ACPI cleanly when bad RSDP found · 9e3a9d1e
      Len Brown authored
      When ACPI is disabled in the BIOS of this VIA C3 box,
      it invalidates the RSDP, which Linux notices:
      
      ACPI Error (tbxfroot-0218): A valid RSDP was not found [20080926]
      
      Bug Linux neglected to disable ACPI at that stage,
      and later scribbled on smp_found_config:
      
      ACPI: No APIC-table, disabling MPS
      
      But this box doesn't run well in legacy PIC mode,
      it needed IOAPIC mode to perform correctly:
      
      http://lkml.org/lkml/2009/2/5/39
      
      
      
      So exit ACPI mode cleanly when we first detect
      that it is hopeless.
      
      Signed-off-by: default avatarLen Brown <len.brown@intel.com>
      9e3a9d1e
  3. Feb 03, 2009
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