Messages in this thread | | | Date | Fri, 20 Apr 2012 17:09:48 -0700 | Subject | Re: 3.2.11: PCI Express card cannot be re-detected withing cca 60sec timeframe | From | Yinghai Lu <> |
| |
On Fri, Apr 20, 2012 at 4:17 PM, Sarah Sharp <sarah.a.sharp@linux.intel.com> wrote: > On Fri, Apr 20, 2012 at 11:47:14AM -0700, Yinghai Lu wrote: >> On Fri, Apr 20, 2012 at 10:28 AM, Martin Mokrejs >> <mmokrejs@fold.natur.cuni.cz> wrote: >> > [30720.175637] pciehp 0000:00:1c.7:pcie04: pcie_isr: intr_loc 108 >> > [30720.175639] pciehp 0000:00:1c.7:pcie04: LinkState change >> > [30720.175643] pciehp 0000:00:1c.7:pcie04: lnk_status = 5011 >> > [30720.175644] pciehp 0000:00:1c.7:pcie04: Presence/Notify input change >> > [30720.175648] pciehp 0000:00:1c.7:pcie04: Card not present on Slot(7) >> > [30720.175687] pciehp 0000:00:1c.7:pcie04: Surprise Removal >> > [30720.175718] pciehp 0000:00:1c.7:pcie04: Disabling domain:bus:device=0000:11:00 >> > [30720.175721] pciehp 0000:00:1c.7:pcie04: pciehp_unconfigure_device: domain:bus:dev = 0000:11:00 >> > >> >> So the USB host control driver xhci put that 11:00.0 in strange power state. > > What do you mean "strange power state"? The only PCI power states the > xHCI driver will use is D0 or D3hot. D3hot is entered automatically by > the USB core runtime PM system when all USB devices are disconnected or > suspended. So what strange power state are we talking about?
that's helpful. Can that feature to be disabled?
Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |