Re: [linux-usb-devel] [BUG] 2.6.15-rc4-git1 ehci suspend regression

[Patrizio Bassi]

Alan Stern ha scritto:

>On Sat, 3 Dec 2005, Patrizio Bassi wrote:
>
>  
>
>>Yesterday i wrote i got all my suspend problems fixed in -rc3.
>>
>>i tried -rc4-git1 and got another problem after suspend.
>>
>>on resume, i can use no more che ehci device (pci usb card).
>>on -rc3, after resume hotplug could reload device driver, while with rc4
>>device is no more found, neither after unplug/replug.
>>
>>infact lsusb shows:
>>Bus 004 Device 001: ID 0000:0000
>>Bus 003 Device 001: ID 0000:0000
>>Bus 002 Device 001: ID 0000:0000
>>Bus 001 Device 001: ID 0000:0000
>>
>>i have to reboot (usb are built-in)
>>and i can get:
>>
>>Bus 004 Device 001: ID 0000:0000
>>Bus 003 Device 001: ID 0000:0000
>>Bus 002 Device 004: ID 0915:8000 GlobeSpan, Inc.
>>Bus 002 Device 001: ID 0000:0000
>>Bus 001 Device 001: ID 0000:0000
>>
>>
>>this is a rc4 regression, i saw Greg posted some patches...
>>
>>this is the dmesg:
>>
>>
>>Stopping tasks: ===================|
>>Freeing memory... done (4076 pages freed)
>>ACPI: PCI interrupt for device 0000:00:0d.0 disabled
>>ACPI: PCI interrupt for device 0000:00:0a.2 disabled
>>ACPI: PCI interrupt for device 0000:00:0a.1 disabled
>>ACPI: PCI interrupt for device 0000:00:0a.0 disabled
>>ACPI: PCI interrupt for device 0000:00:09.0 disabled
>>ACPI: PCI interrupt for device 0000:00:04.2 disabled
>>swsusp: Need to copy 7852 pages
>>ACPI: PCI Interrupt 0000:00:04.2[D] -> Link [LNKD] -> GSI 9 (level, low)
>>-> IRQ 9
>>ACPI: PCI Interrupt 0000:00:09.0[A] -> Link [LNKD] -> GSI 9 (level, low)
>>-> IRQ 9
>>ACPI: PCI Interrupt 0000:00:09.0[A] -> Link [LNKD] -> GSI 9 (level, low)
>>-> IRQ 9
>>eth0: Setting promiscuous mode.
>>ACPI: PCI Interrupt 0000:00:0a.0[A] -> Link [LNKC] -> GSI 5 (level, low)
>>-> IRQ 5
>>ACPI: PCI Interrupt 0000:00:0a.1[B] -> Link [LNKD] -> GSI 9 (level, low)
>>-> IRQ 9
>>ACPI: PCI Interrupt 0000:00:0a.2[C] -> Link [LNKA] -> GSI 11 (level,
>>low) -> IRQ 11
>>ehci_hcd 0000:00:0a.2: USB 2.0 started, EHCI 0.95, driver 10 Dec 2004
>>ACPI: PCI Interrupt 0000:00:0b.0[A] -> Link [LNKB] -> GSI 10 (level,
>>low) -> IRQ 10
>>ACPI: PCI Interrupt 0000:00:0d.0[A] -> Link [LNKD] -> GSI 9 (level, low)
>>-> IRQ 9
>>ACPI: PCI Interrupt 0000:00:0d.0[A] -> Link [LNKD] -> GSI 9 (level, low)
>>-> IRQ 9
>>eth1: Setting promiscuous mode.
>>Restarting tasks... done
>>usb 2-2: new full speed USB device using uhci_hcd and address 3
>>usb 2-2: device descriptor read/64, error -71
>>usb 2-2: device descriptor read/64, error -71
>>usb 2-2: new full speed USB device using uhci_hcd and address 4
>>usb 2-2: device descriptor read/64, error -71
>>usb 2-2: device descriptor read/64, error -71
>>usb 2-2: new full speed USB device using uhci_hcd and address 5
>>usb 2-2: device not accepting address 5, error -71
>>usb 2-2: new full speed USB device using uhci_hcd and address 6
>>usb 2-2: device not accepting address 6, error -71
>>usb 2-2: new full speed USB device using uhci_hcd and address 7
>>usb 2-2: device descriptor read/64, error -71
>>usb 2-2: device descriptor read/64, error -71
>>usb 2-2: new full speed USB device using uhci_hcd and address 8
>>usb 2-2: device descriptor read/64, error -71
>>usb 2-2: device descriptor read/64, error -71
>>usb 2-2: new full speed USB device using uhci_hcd and address 9
>>usb 2-2: device not accepting address 9, error -71
>>usb 2-2: new full speed USB device using uhci_hcd and address 10
>>usb 2-2: device not accepting address 10, error -71
>>
>>lspci
>>00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host
>>bridge (rev 03)
>>00:01.0 PCI bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX AGP
>>bridge (rev 03)
>>00:04.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 02)
>>00:04.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
>>00:04.2 USB Controller: Intel Corporation 82371AB/EB/MB PIIX4 USB (rev 01)
>>00:04.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 02)
>>00:09.0 Ethernet controller: 3Com Corporation 3c905B 100BaseTX [Cyclone]
>>(rev 30)
>>00:0a.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
>>Controller (rev 50)
>>00:0a.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
>>Controller (rev 50)
>>00:0a.2 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 51)
>>00:0b.0 Multimedia audio controller: Ensoniq ES1370 [AudioPCI] (rev 01)
>>00:0d.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado]
>>(rev 74)
>>01:00.0 VGA compatible controller: ATI Technologies Inc Rage 128 RF/SG AGP
>>    
>>
>
>This sounds a lot like a problem reported some time ago by Oliver Neukum.  
>It seems as if there's something wrong with the way the EHCI controller 
>manages the PORT_OWNER bit, or the way the internal hardware switch obeys 
>it.
>
>What happens if you plug the GlobeSpan device into a motherboard USB port 
>instead of a port on the PCI card?
>
>Alan Stern
>
>
>  
>
didn't try because i have other devices.
asap i'll do more tests.

-- 


www.patriziobassi.it
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/