Comment 32 for bug 961482

Revision history for this message
Joseph Salisbury (jsalisbury) wrote :

The following commit appears to have caused the regression:

f043ddb60c84ea64a23b755004572afe922e653c PCI: ignore pre-1.1 ASPM
quirking when ASPM is disabled
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 1cfbf22..24f049e 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -500,6 +500,9 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev)
        int pos;
        u32 reg32;

+ if (aspm_disabled)
+ return 0;
+
        /*
         * Some functions in a slot might not all be PCIe functions,
         * very strange. Disable ASPM for the whole slot

I will now build a precise test kernel with this commit reverted and post a link to it.