Hi Matthew, Le jeudi 24 mai 2012 à 21:45 +0100, Matthew Garrett a écrit : > On Thu, May 24, 2012 at 10:45:45PM +0200, Rafael J. Wysocki wrote: > > > However, knowing that the BIOS doesn't support ASPM, we shouldn't > > request the control of it, so we should remove > > (OSC_ACTIVE_STATE_PWR_SUPPORT | OSC_CLOCK_PWR_CAPABILITY_SUPPORT) > > from the flags before calling acpi_pci_osc_control_set() in those > > cases. Failing to do so causes the evaluation of _OSC for the PCI > > root bridge to return error codes on some systems where it should > > work correctly. > > Is there an example of an affected machine's DSDT? Attached. Jean
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