[ltp] swsusp2: hub 2-0:1.0: over-current change on port 1

Damien Challet linux-thinkpad@linux-thinkpad.org
Wed, 12 Apr 2006 17:14:41 +0100


Dear All,

Whenever I use a kernel with swsusp2 with ubuntu (2.6.12-ubuntu and 
2.6.16-vanilla), after resuming from disk I get errors with usb which 
disappear if I unload the [ue]hci_hdc modules, but then I lose usb.

[4295066.615000] - I/O speed: Write 50 MB/s, Read 52 MB/s.
[4295066.800000] ACPI: PCI Interrupt 0000:00:1d.7[D] -> Link [LNKH] -> GSI 11 
(level, low) -> IRQ 11
[4295066.801000] PCI: Setting latency timer of device 0000:00:1d.7 to 64
[4295066.801000] ehci_hcd 0000:00:1d.7: EHCI Host Controller
[4295066.801000] ehci_hcd 0000:00:1d.7: debug port 15 IN USE
[4295066.802000] PCI: cache line size of 32 is not supported by device 
0000:00:1d.7
[4295066.824000] ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus 
number 4
[4295066.825000] ehci_hcd 0000:00:1d.7: irq 11, io mem 0xc0000000
[4295066.825000] ehci_hcd 0000:00:1d.7: startup error -19
[4295066.825000] ehci_hcd 0000:00:1d.7: USB bus 4 deregistered
[...]
[4295284.126000] hub 2-0:1.0: over-current change on port 1
[4295284.227000] hub 2-0:1.0: over-current change on port 2
[4295285.428000] hub 2-0:1.0: over-current change on port 1
[4295286.727000] hub 2-0:1.0: over-current change on port 2

Is this problem familiar to anybody else? Is is an irq problem?

Thanks

Damien