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Message-ID: <4FA400C9.7060606@fold.natur.cuni.cz> Date: Fri, 04 May 2012 18:16:09 +0200 From: Martin Mokrejs <mmokrejs@...d.natur.cuni.cz> To: Yinghai Lu <yinghai@...nel.org> CC: linux-pci@...r.kernel.org, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: 3.2.11: PCI Express card cannot be re-detected withing cca 60sec timeframe Hi Yinghai, I went to re-test the acpiphp and pcie_aspm=off to be sure I really have to use pciehp. Yinghai Lu wrote: > On Fri, Apr 20, 2012 at 10:28 AM, Martin Mokrejs > <mmokrejs@...d.natur.cuni.cz> wrote: >> >> >> [30595.338466] pciehp 0000:00:1c.7:pcie04: pcie_isr: intr_loc 108 >> [30595.338468] pciehp 0000:00:1c.7:pcie04: LinkState change >> [30595.338471] pciehp 0000:00:1c.7:pcie04: lnk_status = 7011 >> [30595.338483] pciehp 0000:00:1c.7:pcie04: Presence/Notify input change >> [30595.338486] pciehp 0000:00:1c.7:pcie04: Card present on Slot(7) >> [30595.338491] pciehp 0000:00:1c.7:pcie04: Surprise Removal >> [30595.338525] pciehp 0000:00:1c.7:pcie04: check_link_active: lnk_status = 7011 >> [30595.439441] pciehp 0000:00:1c.7:pcie04: pciehp_check_link_status: lnk_status = 7011 >> [30595.439543] pci 0000:11:00.0: [1033:0194] type 00 class 0x0c0330 >> [30595.439597] pci 0000:11:00.0: reg 10: [mem 0x00000000-0x00001fff 64bit] >> [30595.439840] pci 0000:11:00.0: PME# supported from D0 D3hot >> [30595.459499] pci 0000:11:00.0: BAR 0: assigned [mem 0xf6c00000-0xf6c01fff 64bit] >> [30595.459542] pcieport 0000:00:1c.7: PCI bridge to [bus 11-16] >> [30595.459545] pcieport 0000:00:1c.7: bridge window [io 0xc000-0xdfff] >> [30595.459550] pcieport 0000:00:1c.7: bridge window [mem 0xf6c00000-0xf7cfffff] >> [30595.459554] pcieport 0000:00:1c.7: bridge window [mem 0xf0000000-0xf10fffff 64bit pref] >> [30595.459688] xhci_hcd 0000:11:00.0: enabling device (0100 -> 0102) >> [30595.459894] xhci_hcd 0000:11:00.0: xHCI Host Controller >> [30595.459900] xhci_hcd 0000:11:00.0: new USB bus registered, assigned bus number 5 >> [30595.460199] xhci_hcd 0000:11:00.0: irq 19, io mem 0xf6c00000 >> [30595.460306] xhci_hcd 0000:11:00.0: irq 54 for MSI/MSI-X >> [30595.460310] xhci_hcd 0000:11:00.0: irq 55 for MSI/MSI-X >> [30595.460314] xhci_hcd 0000:11:00.0: irq 56 for MSI/MSI-X >> [30595.460318] xhci_hcd 0000:11:00.0: irq 57 for MSI/MSI-X >> [30595.460321] xhci_hcd 0000:11:00.0: irq 58 for MSI/MSI-X >> [30595.460472] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002 >> [30595.460474] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >> [30595.460475] usb usb5: Product: xHCI Host Controller >> [30595.460476] usb usb5: Manufacturer: Linux 3.4.0-rc3-default xhci_hcd >> [30595.460477] usb usb5: SerialNumber: 0000:11:00.0 >> [30595.460569] xHCI xhci_add_endpoint called for root hub >> [30595.460579] xHCI xhci_check_bandwidth called for root hub >> [30595.460600] hub 5-0:1.0: USB hub found >> [30595.460611] hub 5-0:1.0: 2 ports detected >> [30595.460706] xhci_hcd 0000:11:00.0: xHCI Host Controller >> [30595.460711] xhci_hcd 0000:11:00.0: new USB bus registered, assigned bus number 6 >> [30595.463431] usb usb6: New USB device found, idVendor=1d6b, idProduct=0003 >> [30595.463433] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >> [30595.463434] usb usb6: Product: xHCI Host Controller >> [30595.463435] usb usb6: Manufacturer: Linux 3.4.0-rc3-default xhci_hcd >> [30595.463437] usb usb6: SerialNumber: 0000:11:00.0 >> [30595.463506] xHCI xhci_add_endpoint called for root hub >> [30595.463507] xHCI xhci_check_bandwidth called for root hub >> [30595.463534] hub 6-0:1.0: USB hub found >> [30595.463547] hub 6-0:1.0: 2 ports detected > > echo 1 > /sys/..../remove > >> [30607.046714] xhci_hcd 0000:11:00.0: remove, state 4 >> [30607.046719] usb usb6: USB disconnect, device number 1 >> [30607.046764] xHCI xhci_drop_endpoint called for root hub >> [30607.046766] xHCI xhci_check_bandwidth called for root hub >> [30607.065341] xhci_hcd 0000:11:00.0: USB bus 6 deregistered >> [30607.065350] xhci_hcd 0000:11:00.0: remove, state 4 >> [30607.065353] usb usb5: USB disconnect, device number 1 >> [30607.065393] xHCI xhci_drop_endpoint called for root hub >> [30607.065394] xHCI xhci_check_bandwidth called for root hub >> [30607.065692] xhci_hcd 0000:11:00.0: USB bus 5 deregistered >> [30607.065764] pci 0000:11:00.0: freeing pci_dev info > > physically remove that express card > >> [30616.630810] pciehp 0000:00:1c.7:pcie04: pcie_isr: intr_loc 108 >> [30616.630813] pciehp 0000:00:1c.7:pcie04: LinkState change >> [30616.630816] pciehp 0000:00:1c.7:pcie04: lnk_status = 5011 >> [30616.630817] pciehp 0000:00:1c.7:pcie04: Presence/Notify input change >> [30616.630820] pciehp 0000:00:1c.7:pcie04: Card not present on Slot(7) >> [30616.630858] pciehp 0000:00:1c.7:pcie04: Surprise Removal >> [30616.630888] pciehp 0000:00:1c.7:pcie04: Disabling domain:bus:device=0000:11:00 >> [30616.630891] pciehp 0000:00:1c.7:pcie04: pciehp_unconfigure_device: domain:bus:dev = 0000:11:00 > > physical add... > >> [30708.233725] pciehp 0000:00:1c.7:pcie04: pcie_isr: intr_loc 108 >> [30708.233727] pciehp 0000:00:1c.7:pcie04: LinkState change >> [30708.233738] pciehp 0000:00:1c.7:pcie04: lnk_status = 7011 >> [30708.233739] pciehp 0000:00:1c.7:pcie04: Presence/Notify input change >> [30708.233742] pciehp 0000:00:1c.7:pcie04: Card present on Slot(7) >> [30708.233781] pciehp 0000:00:1c.7:pcie04: Surprise Removal >> [30708.233796] pciehp 0000:00:1c.7:pcie04: check_link_active: lnk_status = 7011 >> [30708.338477] pciehp 0000:00:1c.7:pcie04: pciehp_check_link_status: lnk_status = 7011 >> [30708.338581] pci 0000:11:00.0: [1033:0194] type 00 class 0x0c0330 >> [30708.338632] pci 0000:11:00.0: reg 10: [mem 0x00000000-0x00001fff 64bit] >> [30708.338876] pci 0000:11:00.0: PME# supported from D0 D3hot >> [30708.358538] pci 0000:11:00.0: BAR 0: assigned [mem 0xf6c00000-0xf6c01fff 64bit] >> [30708.358575] pcieport 0000:00:1c.7: PCI bridge to [bus 11-16] >> [30708.358588] pcieport 0000:00:1c.7: bridge window [io 0xc000-0xdfff] >> [30708.358593] pcieport 0000:00:1c.7: bridge window [mem 0xf6c00000-0xf7cfffff] >> [30708.358597] pcieport 0000:00:1c.7: bridge window [mem 0xf0000000-0xf10fffff 64bit pref] >> [30708.358737] xhci_hcd 0000:11:00.0: enabling device (0100 -> 0102) >> [30708.358791] xhci_hcd 0000:11:00.0: xHCI Host Controller >> [30708.358799] xhci_hcd 0000:11:00.0: new USB bus registered, assigned bus number 5 >> [30708.359090] xhci_hcd 0000:11:00.0: irq 19, io mem 0xf6c00000 >> [30708.359192] xhci_hcd 0000:11:00.0: irq 54 for MSI/MSI-X >> [30708.359196] xhci_hcd 0000:11:00.0: irq 55 for MSI/MSI-X >> [30708.359199] xhci_hcd 0000:11:00.0: irq 56 for MSI/MSI-X >> [30708.359203] xhci_hcd 0000:11:00.0: irq 57 for MSI/MSI-X >> [30708.359207] xhci_hcd 0000:11:00.0: irq 58 for MSI/MSI-X >> [30708.359357] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002 >> [30708.359359] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >> [30708.359360] usb usb5: Product: xHCI Host Controller >> [30708.359361] usb usb5: Manufacturer: Linux 3.4.0-rc3-default xhci_hcd >> [30708.359363] usb usb5: SerialNumber: 0000:11:00.0 >> [30708.359453] xHCI xhci_add_endpoint called for root hub >> [30708.359456] xHCI xhci_check_bandwidth called for root hub >> [30708.359496] hub 5-0:1.0: USB hub found >> [30708.359509] hub 5-0:1.0: 2 ports detected >> [30708.359571] xhci_hcd 0000:11:00.0: xHCI Host Controller >> [30708.359574] xhci_hcd 0000:11:00.0: new USB bus registered, assigned bus number 6 >> [30708.362332] usb usb6: New USB device found, idVendor=1d6b, idProduct=0003 >> [30708.362335] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >> [30708.362337] usb usb6: Product: xHCI Host Controller >> [30708.362338] usb usb6: Manufacturer: Linux 3.4.0-rc3-default xhci_hcd >> [30708.362340] usb usb6: SerialNumber: 0000:11:00.0 >> [30708.362443] xHCI xhci_add_endpoint called for root hub >> [30708.362445] xHCI xhci_check_bandwidth called for root hub >> [30708.362472] hub 6-0:1.0: USB hub found >> [30708.362490] hub 6-0:1.0: 2 ports detected > > echo 1 /sys/.../remove > >> [30716.380693] xhci_hcd 0000:11:00.0: remove, state 4 >> [30716.380699] usb usb6: USB disconnect, device number 1 >> [30716.380752] xHCI xhci_drop_endpoint called for root hub >> [30716.380754] xHCI xhci_check_bandwidth called for root hub >> [30716.400795] xhci_hcd 0000:11:00.0: USB bus 6 deregistered >> [30716.400803] xhci_hcd 0000:11:00.0: remove, state 4 >> [30716.400807] usb usb5: USB disconnect, device number 1 >> [30716.400846] xHCI xhci_drop_endpoint called for root hub >> [30716.400848] xHCI xhci_check_bandwidth called for root hub >> [30716.401134] xhci_hcd 0000:11:00.0: USB bus 5 deregistered >> [30716.401207] pci 0000:11:00.0: freeing pci_dev info > > physically remove > >> [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. > > please try to boot the system with pcie_aspm=off > > and don't use echo 1 before physically removing the expresscard. Here I just want to show that pcie_aspm=off is really interpreted and that acpiphp brings me nothing? CONFIG_HOTPLUG_PCI=y # CONFIG_HOTPLUG_PCI_FAKE is not set CONFIG_HOTPLUG_PCI_ACPI=y # CONFIG_HOTPLUG_PCI_ACPI_IBM is not set # CONFIG_HOTPLUG_PCI_CPCI is not set # CONFIG_HOTPLUG_PCI_SHPC is not set @@ -153,7 +153,8 @@ pcpu-alloc: [0] 0 1 2 3 Built 1 zonelists in Zone order, mobility grouping on. Policy zone: Normal -Kernel command line: root=/dev/sda5 pciehp.pciehp_debug=1 console=ttyUSB0,115200n8 console=tty0 log_buf_len=409600 +Kernel command line: root=/dev/sda5 pciehp.pciehp_debug=1 console=ttyUSB0,115200n8 console=tty0 log_buf_len=409600 pcie_aspm=off +PCIe ASPM is disabled PID hash table entries: 4096 (order: 3, 32768 bytes) xsave/xrstor: enabled xstate_bv 0x7, cntxt size 0x340 Checking aperture... @@ -406,8 +407,7 @@ ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.RP04._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.RP05._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.RP08._PRT] -pci0000:00: Requesting ACPI _OSC control (0x1d) -pci0000:00: ACPI _OSC control (0x19) granted +pci0000:00: Unable to request _OSC control (_OSC support mask: ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 *5 ACPI: PCI Interrupt Link [LNKC] (IRQs *3 4 5 @@ -669,39 +669,12 @@ io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) -pcieport 0000:00:1c.7: irq 42 for MSI/MSI-X pci_hotplug: PCI Hot Plug PCI Core version: 0.5 -pciehp 0000:00:1c.7:pcie04: Hotplug Controller: -pciehp 0000:00:1c.7:pcie04: Seg/Bus/Dev/Func/IRQ : 0000:00:1c.7 IRQ 42 -pciehp 0000:00:1c.7:pcie04: Vendor ID : 0x8086 -pciehp 0000:00:1c.7:pcie04: Device ID : 0x1c1e -pciehp 0000:00:1c.7:pcie04: Subsystem ID : 0x04b3 -pciehp 0000:00:1c.7:pcie04: Subsystem Vendor ID : 0x1028 -pciehp 0000:00:1c.7:pcie04: PCIe Cap offset : 0x40 -pciehp 0000:00:1c.7:pcie04: PCI resource [13] : [io 0xc000-0xdfff] -pciehp 0000:00:1c.7:pcie04: PCI resource [14] : [mem 0xf6c00000-0xf7cfffff] -pciehp 0000:00:1c.7:pcie04: PCI resource [15] : [mem 0xf0000000-0xf10fffff 64bit -pciehp 0000:00:1c.7:pcie04: Slot Capabilities : 0x003cb260 -pciehp 0000:00:1c.7:pcie04: Physical Slot Number : 7 -pciehp 0000:00:1c.7:pcie04: Attention Button : no -pciehp 0000:00:1c.7:pcie04: Power Controller : no -pciehp 0000:00:1c.7:pcie04: MRL Sensor : no -pciehp 0000:00:1c.7:pcie04: Attention Indicator : no -pciehp 0000:00:1c.7:pcie04: Power Indicator : no -pciehp 0000:00:1c.7:pcie04: Hot-Plug Surprise : yes -pciehp 0000:00:1c.7:pcie04: EMI Present : no -pciehp 0000:00:1c.7:pcie04: Command Completed : no -pciehp 0000:00:1c.7:pcie04: Slot Status : 0x0000 -pciehp 0000:00:1c.7:pcie04: Slot Control : 0x0000 -pciehp 0000:00:1c.7:pcie04: Link Active Reporting supported -pciehp 0000:00:1c.7:pcie04: HPC vendor_id 8086 device_id 1c1e ss_vid 1028 -pciehp 0000:00:1c.7:pcie04: Registering domain:bus:dev=0000:11:00 sun=7 -pci_bus 0000:11: dev 00, created physical slot 7 -pciehp 0000:00:1c.7:pcie04: pciehp_get_power_status: SLOTCTRL 58 value read 28 -pciehp 0000:00:1c.7:pcie04: service driver pciehp loaded pciehp: pcie_port_service_register = 0 pciehp: PCI Express Hot Plug Controller Driver version: 0.4 acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 +pci_bus 0000:11: dev 00, created physical slot 1 +acpiphp: Slot [1] registered intel_idle: MWAIT substates: 0x21120 intel_idle: v0.4 model 0x2A intel_idle: lapic_timer_reliable_states 0xffffffff In other words, when I use pcie_aspm=off and have CONFIG_HOTPLUG_PCI_ACPI=y my acpiphp picks up but express card does not "work"? The only way to have it working for me is to avoid pcie_aspm=off altogether and not bother about CONFIG_HOTPLUG_PCI_ACPI value. What do you recommend me? CONFIG_HOTPLUG_PCI=y # CONFIG_HOTPLUG_PCI_FAKE is not set # CONFIG_HOTPLUG_PCI_ACPI is not set # CONFIG_HOTPLUG_PCI_CPCI is not set # CONFIG_HOTPLUG_PCI_SHPC is not set --- 8_no__CONFIG_HOTPLUG_PCI_ACPI.txt 2012-05-04 14:55:58.000000000 +0200 +++ 9_no__CONFIG_HOTPLUG_PCI_ACPI.txt 2012-05-04 14:56:14.000000000 +0200 @@ -1,6 +1,6 @@ Initializing cgroup subsys cpu Linux version 3.4.0-rc5-default (root@...tro) (gcc version 4.5.3 (Gentoo 4.5.3-r2 -Command line: root=/dev/sda5 pciehp.pciehp_debug=1 console=ttyUSB0,115200n8 console=tty0 log_buf_len=409600 +Command line: root=/dev/sda5 pciehp.pciehp_debug=1 console=ttyUSB0,115200n8 console=tty0 log_buf_len=409600 pcie_aspm=off BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009d400 (usable) BIOS-e820: 000000000009d400 - 00000000000a0000 (reserved) @@ -153,7 +153,8 @@ pcpu-alloc: [0] 0 1 2 3 Built 1 zonelists in Zone order, mobility grouping on. Policy zone: Normal -Kernel command line: root=/dev/sda5 pciehp.pciehp_debug=1 console=ttyUSB0,115200n8 console=tty0 log_buf_len=409600 +Kernel command line: root=/dev/sda5 pciehp.pciehp_debug=1 console=ttyUSB0,115200n8 console=tty0 log_buf_len=409600 pcie_aspm=off +PCIe ASPM is disabled PID hash table entries: 4096 (order: 3, 32768 bytes) xsave/xrstor: enabled xstate_bv 0x7, cntxt size 0x340 Checking aperture... @@ -406,8 +407,7 @@ ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.RP04._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.RP05._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.RP08._PRT] -pci0000:00: Requesting ACPI _OSC control (0x1d) -pci0000:00: ACPI _OSC control (0x19) granted +pci0000:00: Unable to request _OSC control (_OSC support mask: ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 *5 ACPI: PCI Interrupt Link [LNKC] (IRQs *3 4 5 @@ -669,36 +669,7 @@ io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) -pcieport 0000:00:1c.7: irq 42 for MSI/MSI-X pci_hotplug: PCI Hot Plug PCI Core version: 0.5 -pciehp 0000:00:1c.7:pcie04: Hotplug Controller: -pciehp 0000:00:1c.7:pcie04: Seg/Bus/Dev/Func/IRQ : 0000:00:1c.7 IRQ 42 -pciehp 0000:00:1c.7:pcie04: Vendor ID : 0x8086 -pciehp 0000:00:1c.7:pcie04: Device ID : 0x1c1e -pciehp 0000:00:1c.7:pcie04: Subsystem ID : 0x04b3 -pciehp 0000:00:1c.7:pcie04: Subsystem Vendor ID : 0x1028 -pciehp 0000:00:1c.7:pcie04: PCIe Cap offset : 0x40 -pciehp 0000:00:1c.7:pcie04: PCI resource [13] : [io 0xc000-0xdfff] -pciehp 0000:00:1c.7:pcie04: PCI resource [14] : [mem 0xf6c00000-0xf7cfffff] -pciehp 0000:00:1c.7:pcie04: PCI resource [15] : [mem 0xf0000000-0xf10fffff 64bit -pciehp 0000:00:1c.7:pcie04: Slot Capabilities : 0x003cb260 -pciehp 0000:00:1c.7:pcie04: Physical Slot Number : 7 -pciehp 0000:00:1c.7:pcie04: Attention Button : no -pciehp 0000:00:1c.7:pcie04: Power Controller : no -pciehp 0000:00:1c.7:pcie04: MRL Sensor : no -pciehp 0000:00:1c.7:pcie04: Attention Indicator : no -pciehp 0000:00:1c.7:pcie04: Power Indicator : no -pciehp 0000:00:1c.7:pcie04: Hot-Plug Surprise : yes -pciehp 0000:00:1c.7:pcie04: EMI Present : no -pciehp 0000:00:1c.7:pcie04: Command Completed : no -pciehp 0000:00:1c.7:pcie04: Slot Status : 0x0000 -pciehp 0000:00:1c.7:pcie04: Slot Control : 0x0000 -pciehp 0000:00:1c.7:pcie04: Link Active Reporting supported -pciehp 0000:00:1c.7:pcie04: HPC vendor_id 8086 device_id 1c1e ss_vid 1028 -pciehp 0000:00:1c.7:pcie04: Registering domain:bus:dev=0000:11:00 sun=7 -pci_bus 0000:11: dev 00, created physical slot 7 -pciehp 0000:00:1c.7:pcie04: pciehp_get_power_status: SLOTCTRL 58 value read 28 -pciehp 0000:00:1c.7:pcie04: service driver pciehp loaded pciehp: pcie_port_service_register = 0 pciehp: PCI Express Hot Plug Controller Driver version: 0.4 intel_idle: MWAIT substates: 0x21120 Just to make sure there is no way to use acpiphp on my system. Or could the "Unable to request _OSC control" thing be fixed somehow? Thanks, Martin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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