Huang Ying wrote: > On Thu, 2013-03-28 at 19:38 +0100, Martin Mokrejs wrote: >> Hi Ying, >> would you please tell me how this report relate to this patch? >> >> [PATCH] PCI / ACPI: Always resume devices on ACPI wakeup notifications >> >> Could you tell me why this PME was being flipped back and forth now? >> Actually, does that make finally some sense to you, pci/acpi devs? >> >> >> Does is help to say that on the SandyBridge chip I have the following root ports >> hooked to the following end devices?: >> >> 1.c1 -> rtl8169 05:00.0 >> 1.c3 -> iwlwifi 09:00.0 >> 1.c4 -> xhci_hcd 0b:00.0 >> 1.c7 -> 00:11: express card slot >> >> >> Why didn't I see interleraved lines with 1.c7 *and* 00:11? See the interleaving >> happening with the network card on 3.7.10 kernel (not broken kernel): >> >> [138268.870070] r8169 0000:05:00.0 eth0: link down >> [138270.809811] r8169 0000:05:00.0 eth0: link up >> [138365.599744] r8169 0000:05:00.0 eth0: link down >> [138370.594343] r8169 0000:05:00.0: PME# enabled >> [138370.623852] pcieport 0000:00:1c.1: PME# enabled >> [169885.247386] pcieport 0000:00:1c.1: PME# disabled >> [169885.267374] r8169 0000:05:00.0: PME# disabled >> [169885.330160] r8169 0000:05:00.0 eth0: link down >> [169886.992531] r8169 0000:05:00.0 eth0: link up >> [169904.405769] r8169 0000:05:00.0 eth0: link down >> [169909.401237] r8169 0000:05:00.0: PME# enabled >> [169909.430782] pcieport 0000:00:1c.1: PME# enabled >> [170090.538980] pcieport 0000:00:1c.1: PME# disabled >> [170090.559088] r8169 0000:05:00.0: PME# disabled >> [170090.640494] r8169 0000:05:00.0: PME# enabled >> [170090.678425] pcieport 0000:00:1c.1: PME# enabled >> [170090.829959] pcieport 0000:00:1c.1: PME# disabled >> [170090.848479] r8169 0000:05:00.0: PME# disabled >> [170090.892011] r8169 0000:05:00.0 eth0: link down >> [170090.892134] r8169 0000:05:00.0 eth0: link down >> [170090.930998] r8169 0000:05:00.0 eth0: link down >> [170092.554553] r8169 0000:05:00.0 eth0: link up > > I don't know exactly. Can you give me the follow output? > > grep . /sys/bus/pci/devices/*/power/control > grep . /sys/bus/pci/devices/*/power/runtime_status Hi Ying, here is the output from the not-broken 3.7.10 kernel: vostro ~ # uname -a Linux vostro 3.7.10-default #2 SMP Tue Mar 5 09:52:12 MET 2013 x86_64 Intel(R) Core(TM) i7-2640M CPU @ 2.80GHz GenuineIntel GNU/Linux vostro ~ # grep . /sys/bus/pci/devices/*/power/control /sys/bus/pci/devices/0000:00:00.0/power/control:auto /sys/bus/pci/devices/0000:00:02.0/power/control:auto /sys/bus/pci/devices/0000:00:16.0/power/control:auto /sys/bus/pci/devices/0000:00:1a.0/power/control:auto /sys/bus/pci/devices/0000:00:1b.0/power/control:auto /sys/bus/pci/devices/0000:00:1c.0/power/control:auto /sys/bus/pci/devices/0000:00:1c.1/power/control:auto /sys/bus/pci/devices/0000:00:1c.3/power/control:auto /sys/bus/pci/devices/0000:00:1c.4/power/control:auto /sys/bus/pci/devices/0000:00:1c.7/power/control:auto /sys/bus/pci/devices/0000:00:1d.0/power/control:auto /sys/bus/pci/devices/0000:00:1f.0/power/control:auto /sys/bus/pci/devices/0000:00:1f.2/power/control:auto /sys/bus/pci/devices/0000:00:1f.3/power/control:auto /sys/bus/pci/devices/0000:05:00.0/power/control:auto /sys/bus/pci/devices/0000:09:00.0/power/control:auto /sys/bus/pci/devices/0000:0b:00.0/power/control:auto /sys/bus/pci/devices/0000:11:00.0/power/control:auto vostro ~ # grep . /sys/bus/pci/devices/*/power/runtime_status /sys/bus/pci/devices/0000:00:00.0/power/runtime_status:suspended /sys/bus/pci/devices/0000:00:02.0/power/runtime_status:active /sys/bus/pci/devices/0000:00:16.0/power/runtime_status:suspended /sys/bus/pci/devices/0000:00:1a.0/power/runtime_status:active /sys/bus/pci/devices/0000:00:1b.0/power/runtime_status:active /sys/bus/pci/devices/0000:00:1c.0/power/runtime_status:suspended /sys/bus/pci/devices/0000:00:1c.1/power/runtime_status:active /sys/bus/pci/devices/0000:00:1c.3/power/runtime_status:active /sys/bus/pci/devices/0000:00:1c.4/power/runtime_status:active /sys/bus/pci/devices/0000:00:1c.7/power/runtime_status:active /sys/bus/pci/devices/0000:00:1d.0/power/runtime_status:active /sys/bus/pci/devices/0000:00:1f.0/power/runtime_status:active /sys/bus/pci/devices/0000:00:1f.2/power/runtime_status:active /sys/bus/pci/devices/0000:00:1f.3/power/runtime_status:suspended /sys/bus/pci/devices/0000:05:00.0/power/runtime_status:active /sys/bus/pci/devices/0000:09:00.0/power/runtime_status:active /sys/bus/pci/devices/0000:0b:00.0/power/runtime_status:active /sys/bus/pci/devices/0000:11:00.0/power/runtime_status:active vostro ~ # Now will go and test your patch for the 3.9-rc1 PME# storm when the coldplugged eSATA is unplugged and rmmod sata_sil24 triggers the messages. Martin -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
