Re: Machine crashes right *after* ~successful resume

[Yinghai Lu]

On Mon, Oct 27, 2014 at 6:12 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> On Mon, Oct 27, 2014 at 5:03 PM, Wilmer van der Gaast <wilmer@xxxxxxxxx> wrote:
>> I was curious about that already, did that with a 3.16.6 that I think just
>> had your revert applied (and using lspci -xxxx to get the dump which I
>> assumed would be the same): No changes to 04:00 at all.
>>
>> Confirmed that this is the case with 3.17 + those patches as well, it's
>> showing this at all times:
>
> can you post
> lspci -vvxxxx -s 00:1c.3
> lspci -vvxxxx -s 04:00.0
> before reverting enable bridge early patch
> and after reverting on 3.17+?

Please check if attached patch could fix the problem on your setup.

Thanks

Yinghai
---
 drivers/pci/quirks.c |    6 ++++++
 1 file changed, 6 insertions(+)

Index: linux-2.6/drivers/pci/quirks.c
===================================================================
--- linux-2.6.orig/drivers/pci/quirks.c
+++ linux-2.6/drivers/pci/quirks.c
@@ -3098,6 +3098,12 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_IN
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x8c02, quirk_remove_d3_delay);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x8c22, quirk_remove_d3_delay);
 
+static void enable_pci_bridge_d0(struct pci_dev *dev)
+{
+	pci_set_power_state(dev, PCI_D0);
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ITE, 0x8892, enable_pci_bridge_d0);
+
 /*
  * Some devices may pass our check in pci_intx_mask_supported if
  * PCI_COMMAND_INTX_DISABLE works though they actually do not properly