RE: xHCI host not responding to stop endpoint command

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> -----Original Message-----
> From: Stuart Foster [mailto:smf.linux@xxxxxxxxxxxx]
> Sent: Wednesday, February 29, 2012 11:38 PM
> To: Xu, Andiry
> Cc: linux-usb@xxxxxxxxxxxxxxx
> Subject: Re: xHCI host not responding to stop endpoint command
> 
> On 02/29/12 02:24, Andiry Xu wrote:
> > On 02/28/2012 06:14 PM, Stuart Foster wrote:
> >>
> >>> Do you have other USB3 devices to test? Do all the USB devices show the
> >>> same symptom when connected to USB3.0 ports?
> >>>
> >>> Also, please try BIOS version 0813 and 0902.
> >>>
> >>> Thanks,
> >>> Andiry
> >>>
> >>> --
> >>> To unsubscribe from this list: send the line "unsubscribe linux-usb" in
> >>> the body of a message to majordomo@...
> >>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> >>>
> >>>
> >>
> >> Andiry,
> >>
> >> I have tried all the BIOS versions suggested with no luck. I have looked
> at
> >> all my USB devices and I have currently only the one USB3 device.
> >> I do have a USB3 card in another machine (a Windows XP machine). The
> USB3
> >> drive works correctly when used on this interface in this machine.
> >>
> >
> > Thanks for the test. Do your USB1.1/2.0 devices work OK on USB3 ports of
> > M5A97 platform?
> >
> > Can you plug your USB3 card on M5A97 and try with USB3 drive? If it
> > works fine, I suspect it's controller HW issue.
> >
> > Thanks,
> > Andiry
> >
> >
> >
> Andiry,
> 
> With a USB2 1Tbyte Harddive in the M5A97 USB3 ports I get the following
> dmesg output on linux 3.2.8:
> 
> xhci_hcd 0000:04:00.0: PCI INT A -> GSI 50 (level, low) -> IRQ 50
> xhci_hcd 0000:04:00.0: setting latency timer to 64
> xhci_hcd 0000:04:00.0: xHCI Host Controller
> xhci_hcd 0000:04:00.0: new USB bus registered, assigned bus number 5
> xhci_hcd 0000:04:00.0: irq 50, io mem 0xfe800000
> xhci_hcd 0000:04:00.0: irq 74 for MSI/MSI-X
> xhci_hcd 0000:04:00.0: irq 75 for MSI/MSI-X
> xhci_hcd 0000:04:00.0: irq 76 for MSI/MSI-X
> xhci_hcd 0000:04:00.0: irq 77 for MSI/MSI-X
> xhci_hcd 0000:04:00.0: irq 78 for MSI/MSI-X
> xhci_hcd 0000:04:00.0: irq 79 for MSI/MSI-X
> xhci_hcd 0000:04:00.0: irq 80 for MSI/MSI-X
> usb usb5: Manufacturer: Linux 3.2.8 xhci_hcd
> xhci_hcd 0000:04:00.0: xHCI Host Controller
> xhci_hcd 0000:04:00.0: new USB bus registered, assigned bus number 6
> usb usb6: Manufacturer: Linux 3.2.8 xhci_hcd
> usb 5-1: new high-speed USB device number 2 using xhci_hcd
> xhci_hcd 0000:04:00.0: WARN: short transfer on control ep
> xhci_hcd 0000:04:00.0: WARN: short transfer on control ep
> xhci_hcd 0000:04:00.0: WARN: short transfer on control ep
> xhci_hcd 0000:04:00.0: WARN: short transfer on control ep
> xhci_hcd 0000:04:00.0: WARN: short transfer on control ep
> xhci_hcd 0000:04:00.0: WARN: short transfer on control ep
> xhci_hcd 0000:04:00.0: WARN: Stalled endpoint
> xhci_hcd 0000:04:00.0: WARN: Stalled endpoint
> xhci_hcd 0000:04:00.0: WARN: Stalled endpoint
> xhci_hcd 0000:04:00.0: WARN: Stalled endpoint
> xhci_hcd 0000:04:00.0: WARN: Stalled endpoint
> xhci_hcd 0000:04:00.0: WARN: Stalled endpoint
> 
> However on linux 3.3.0-rc5 I do not get the warnings:
> 

There is nothing to worry about. The warning messages are removed
in the latest kernel.

> xhci_hcd 0000:04:00.0: xHCI Host Controller
> xhci_hcd 0000:04:00.0: new USB bus registered, assigned bus number 5
> xhci_hcd 0000:04:00.0: irq 50, io mem 0xfe800000
> xhci_hcd 0000:04:00.0: irq 74 for MSI/MSI-X
> xhci_hcd 0000:04:00.0: irq 75 for MSI/MSI-X
> xhci_hcd 0000:04:00.0: irq 76 for MSI/MSI-X
> xhci_hcd 0000:04:00.0: irq 77 for MSI/MSI-X
> xhci_hcd 0000:04:00.0: irq 78 for MSI/MSI-X
> xhci_hcd 0000:04:00.0: irq 79 for MSI/MSI-X
> xhci_hcd 0000:04:00.0: irq 80 for MSI/MSI-X
> usb usb5: Manufacturer: Linux 3.3.0-rc5 xhci_hcd
> xhci_hcd 0000:04:00.0: xHCI Host Controller
> xhci_hcd 0000:04:00.0: new USB bus registered, assigned bus number 6
> usb usb6: Manufacturer: Linux 3.3.0-rc5 xhci_hcd
> usb 5-1: new high-speed USB device number 2 using xhci_hcd
> 
> In both instances I can mount the file system on the disk and transfer
> data without error. The dmesg was filtered on "xhci_hcd".
> 
> 
> I will now add in the USB3 pci-e card and repeat the test for both USB3
> and USB2 harddrives.
> 

Nothing abnormal in the message. Seems USB2 device works well.

Thanks,
Andiry

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