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** Changed in: linux (Ubuntu)
Status: Incomplete => Won't Fix
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https://bugs.launchpad.net/bugs/371434
Title:
PCI ExpressCard hotplug requires pciehp.pciehp_force=1
Status in linux package in Ubuntu:
Won't Fix
Bug description:
Using Ubuntu 9.04 Jaunty as a reference, hotplugging an expresscard
does not work on my Dell Inspiron 1420n laptop computer. I can add
"pciehp.pciehp_force=1" to the kernel cmdline options and then
hotplugging will work.
The tested device is a StarTech EC1394B expresscard.
A) Scenario pciehp.pciehp_force=1 and the expresscard absent at boot time
*A1. Insert card, dmesg output:
pciehp 0000:00:1c.3:pcie04: Card present on Slot(5)
pci 0000:0d:00.0: supports D1 D2
pci 0000:0e:00.0: reg 10 32bit mmio: [0x000000-0x0007ff]
pci 0000:0e:00.0: reg 14 32bit mmio: [0x000000-0x003fff]
pci 0000:0e:00.0: supports D1 D2
pci 0000:0e:00.0: PME# supported from D0 D1 D2 D3hot
pci 0000:0e:00.0: PME# disabled
pci 0000:0d:00.0: bridge io port: [0x00-0xfff]
pci 0000:0d:00.0: bridge 32bit mmio: [0x000000-0x0fffff]
pci 0000:0d:00.0: bridge 64bit mmio pref: [0x000000-0x0fffff]
pci 0000:0d:00.0: PCI bridge, secondary bus 0000:0e
pci 0000:0d:00.0: IO window: disabled
pci 0000:0d:00.0: MEM window: 0xfe600000-0xfe6fffff
pci 0000:0d:00.0: PREFETCH window: disabled
pci 0000:0d:00.0: enabling device (0000 -> 0002)
pci 0000:0d:00.0: setting latency timer to 64
ohci1394 0000:0e:00.0: enabling device (0000 -> 0002)
ohci1394 0000:0e:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
ohci1394 0000:0e:00.0: setting latency timer to 64
ohci1394: fw-host1: OHCI-1394 1.1 (PCI): IRQ=[19] MMIO=[fe604000-fe6047ff]
Max Packet=[4096] IR/IT contexts=[4/8]
pciehp: Could not get hotplug parameters
ieee1394: Host added: ID:BUS[1-00:1023] GUID[0000000000300010]
*A2. Eject card, dmesg output:
pciehp 0000:00:1c.3:pcie04: Card not present on Slot(5)
ieee1394: Node removed: ID:BUS[1-00:1023] GUID[0000000000300010]
ohci1394: fw-host1: Set PHY Reg timeout [0xffffffff/0x00004000/100]
ohci1394: fw-host1: Set PHY Reg timeout [0xffffffff/0x00004000/100]
B) Scenario pciehp.pciehp_force=1 and the expresscard present at boot time
*B1. Eject card, dmesg output:
pciehp 0000:00:1c.3:pcie04: Card not present on Slot(5)
ieee1394: Node removed: ID:BUS[0-00:1023] GUID[0000000000300010]
ohci1394: fw-host0: Set PHY Reg timeout [0xffffffff/0x00004000/100]
ohci1394: fw-host0: Set PHY Reg timeout [0xffffffff/0x00004000/100]
*B2. Insert card, dmesg output:
pciehp 0000:00:1c.3:pcie04: Card present on Slot(5)
pci 0000:0d:00.0: supports D1 D2
pci 0000:0e:00.0: reg 10 32bit mmio: [0x000000-0x0007ff]
pci 0000:0e:00.0: reg 14 32bit mmio: [0x000000-0x003fff]
pci 0000:0e:00.0: supports D1 D2
pci 0000:0e:00.0: PME# supported from D0 D1 D2 D3hot
pci 0000:0e:00.0: PME# disabled
pci 0000:0d:00.0: bridge io port: [0x00-0xfff]
pci 0000:0d:00.0: bridge 32bit mmio: [0x000000-0x0fffff]
pci 0000:0d:00.0: bridge 64bit mmio pref: [0x000000-0x0fffff]
pci 0000:0d:00.0: PCI bridge, secondary bus 0000:0e
pci 0000:0d:00.0: IO window: disabled
pci 0000:0d:00.0: MEM window: 0xfe600000-0xfe6fffff
pci 0000:0d:00.0: PREFETCH window: disabled
pci 0000:0d:00.0: enabling device (0000 -> 0002)
pci 0000:0d:00.0: setting latency timer to 64
ohci1394 0000:0e:00.0: enabling device (0000 -> 0002)
ohci1394 0000:0e:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
ohci1394 0000:0e:00.0: setting latency timer to 64
ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[19] MMIO=[fe604000-fe6047ff]
Max Packet=[4096] IR/IT contexts=[4/8]
pciehp: Could not get hotplug parameters
ieee1394: Host added: ID:BUS[0-00:1023] GUID[0000000000300010]
C) Difference in dmesg output booting default kcmdline kernel between
card present and card absent:
(the diff is trimmed a bit for relevance)
--- /tmp/hotplugging-default_kcmdline-no_card.txt 2009-05-03
17:58:24.000000000 -0600
+++ /tmp/hotplugging-default_kcmdline-with_card.txt 2009-05-03
18:01:16.000000000 -0600
@@ -265,9 +265,16 @@
pci 0000:0c:00.0: PME# supported from D0 D3hot D3cold
pci 0000:0c:00.0: PME# disabled
pci 0000:00:1c.1: bridge 32bit mmio: [0xfe800000-0xfe8fffff]
+pci 0000:0d:00.0: supports D1 D2
pci 0000:00:1c.3: bridge io port: [0xd000-0xdfff]
pci 0000:00:1c.3: bridge 32bit mmio: [0xfe600000-0xfe7fffff]
pci 0000:00:1c.3: bridge 64bit mmio pref: [0xf0000000-0xf01fffff]
+pci 0000:0e:00.0: reg 10 32bit mmio: [0xfe7fb800-0xfe7fbfff]
+pci 0000:0e:00.0: reg 14 32bit mmio: [0xfe7fc000-0xfe7fffff]
+pci 0000:0e:00.0: supports D1 D2
+pci 0000:0e:00.0: PME# supported from D0 D1 D2 D3hot
+pci 0000:0e:00.0: PME# disabled
+pci 0000:0d:00.0: bridge 32bit mmio: [0xfe700000-0xfe7fffff]
pci 0000:09:00.0: reg 10 64bit mmio: [0xfe5f0000-0xfe5fffff]
pci 0000:09:00.0: PME# supported from D3hot D3cold
pci 0000:09:00.0: PME# disabled
@@ -304,7 +311,7 @@
ACPI: PCI Interrupt Link [LNKA] (IRQs 9 10 *11)
ACPI: PCI Interrupt Link [LNKB] (IRQs 5 7) *10
ACPI: PCI Interrupt Link [LNKC] (IRQs 9 10 11) *4
-ACPI: PCI Interrupt Link [LNKD] (IRQs *5 7 9 10 11)
+ACPI: PCI Interrupt Link [LNKD] (IRQs 5 7 9 10 11) *0, disabled.
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 *10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 *9 10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 *7 9 10 11 12 14 15)
@@ -374,6 +381,10 @@
pci 0000:00:1c.1: IO window: disabled
pci 0000:00:1c.1: MEM window: 0xfe800000-0xfe8fffff
pci 0000:00:1c.1: PREFETCH window: disabled
+pci 0000:0d:00.0: PCI bridge, secondary bus 0000:0e
+pci 0000:0d:00.0: IO window: disabled
+pci 0000:0d:00.0: MEM window: 0xfe700000-0xfe7fffff
+pci 0000:0d:00.0: PREFETCH window: disabled
pci 0000:00:1c.3: PCI bridge, secondary bus 0000:0d
pci 0000:00:1c.3: IO window: 0xd000-0xdfff
pci 0000:00:1c.3: MEM window: 0xfe600000-0xfe7fffff
@@ -392,6 +403,7 @@
pci 0000:00:1c.1: setting latency timer to 64
pci 0000:00:1c.3: PCI INT D -> GSI 19 (level, low) -> IRQ 19
pci 0000:00:1c.3: setting latency timer to 64
+pci 0000:0d:00.0: setting latency timer to 64
pci 0000:00:1c.5: PCI INT B -> GSI 17 (level, low) -> IRQ 17
pci 0000:00:1c.5: setting latency timer to 64
pci 0000:00:1e.0: setting latency timer to 64
@@ -401,6 +413,7 @@
pci_bus 0000:0d: resource 0 io: [0xd000-0xdfff]
pci_bus 0000:0d: resource 1 mem: [0xfe600000-0xfe7fffff]
pci_bus 0000:0d: resource 2 pref mem [0xf0000000-0xf01fffff]
+pci_bus 0000:0e: resource 1 mem: [0xfe700000-0xfe7fffff]
pci_bus 0000:09: resource 1 mem: [0xfe500000-0xfe5fffff]
pci_bus 0000:03: resource 1 mem: [0xfe400000-0xfe4fffff]
pci_bus 0000:03: resource 3 io: [0x00-0xffff]
@@ -621,15 +634,17 @@
Freeing unused kernel memory: 544k freed
Write protecting the kernel text: 4200k
Write protecting the kernel read-only data: 1660k
-ohci1394 0000:03:01.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
+ohci1394 0000:0e:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
usb 3-2: new full speed USB device using uhci_hcd and address 2
-ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[19] MMIO=[fe4ff800-fe4fffff]
Max Packet=[2048] IR/IT contexts=[4/4]
+ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[19] MMIO=[fe7fb800-fe7fbfff]
Max Packet=[4096] IR/IT contexts=[4/8]
+ohci1394 0000:03:01.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
+ohci1394: fw-host1: OHCI-1394 1.1 (PCI): IRQ=[19] MMIO=[fe4ff800-fe4fffff]
Max Packet=[2048] IR/IT contexts=[4/4]
usb 3-2: configuration #1 chosen from 1 choice
hub 3-2:1.0: USB hub found
hub 3-2:1.0: 3 ports detected
@@ -642,48 +657,49 @@
ieee1394: Host added: ID:BUS[0-00:1023] GUID[0000000000300010]
+ieee1394: Host added: ID:BUS[1-00:1023] GUID[314fc000321989a1]
udev: starting version 141
cfg80211: Calling CRDA to update world regulatory domain
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