On Wed, Apr 18, 2012 at 10:53 AM, Martin Mokrejs <mmokrejs@xxxxxxxxxxxxxxxxxx> wrote: >> After you remove USB3 expresscard, you need to >> >> echo 1 > /sys/devices/pci0000\:00/0000\:00\:1c.7/pcie_link_disable >> then >> echo 0 > /sys/devices/pci0000\:00/0000\:00\:1c.7/pcie_link_disable > > So without these two echo commands the is no improvement/fix. > > [ 686.701306] pciehp 0000:00:1c.7:pcie04: pcie_isr: intr_loc 8 > [ 686.701316] pciehp 0000:00:1c.7:pcie04: Presence/Notify input change > [ 686.701319] pciehp 0000:00:1c.7:pcie04: Card present on Slot(7) > [ 686.701357] pciehp 0000:00:1c.7:pcie04: Surprise Removal > [ 686.701390] pciehp 0000:00:1c.7:pcie04: check_link_active: lnk_status = 7011 > [ 686.809763] pciehp 0000:00:1c.7:pcie04: pciehp_check_link_status: lnk_status = 7011 ... > [ 686.833678] hub 6-0:1.0: 2 ports detected > > echo 1 > /sys/devices/pci0000\:00/0000\:00\:1c.7/pcie_link_disable > > [ 716.999938] pcieport 0000:00:1c.7: pcie_link_disable_set: lnk_ctrl = 53 > [ 717.024647] pciehp 0000:00:1c.7:pcie04: pcie_isr: intr_loc 8 > [ 717.024657] pciehp 0000:00:1c.7:pcie04: Presence/Notify input change > [ 717.024665] pciehp 0000:00:1c.7:pcie04: Card not present on Slot(7) > [ 717.024723] pciehp 0000:00:1c.7:pcie04: Surprise Removal > [ 717.024753] pciehp 0000:00:1c.7:pcie04: Disabling domain:bus:device=0000:11:00 > [ 717.024756] pciehp 0000:00:1c.7:pcie04: pciehp_unconfigure_device: domain:bus:dev = 0000:11:00 .. > [ 717.045197] pci 0000:11:00.0: freeing pci_dev info > > echo 0 > /sys/devices/pci0000\:00/0000\:00\:1c.7/pcie_link_disable > > [ 748.456914] pcieport 0000:00:1c.7: pcie_link_disable_set: lnk_ctrl = 40 > so it is chipset problem, it does not detect and report the presence of the card after that link is removed. Can you try to use acpiphp instead of pciehp? Yinghai -- 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
