Re: VL805 USB 3.0 does not see connected devices (only on x86_64) (x86 is ok)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 14 Sep 2016, c400 wrote:

> 2016-09-14 15:43 GMT+03:00 Oliver Neukum <oneukum@xxxxxxxx>:
> > On Wed, 2016-09-14 at 15:22 +0300, c400 wrote:
> >> may be i can help to test something else? I am ready and have enough free time

Did you try Mathias's suggestion of forcing DMA to use 32 bits?
After unloading the xhci-pci and xhci-hcd modules:

sudo modprobe xhci_hcd quirks=0x00800090
sudo modprobe xhci_pci

> > You may need to mount debugfs at /sys/kernel/debug
> >
> >         HTH
> >                 Oliver
> >
> >
> mount -t debugfs none /sys/kernel/debug/
> mount: none is already mounted or /sys/kernel/debug busy
> 
> ls /sys/kernel/debug/
> 
> acpi         extfrag             mce         sleep_time
> bcache       fault_around_bytes  nfsd        suspend_stats
> bdi          hid                 pm_qos      tracing
> boot_params  hwpoison            pstate_snb  usb
> dma_buf      intel_powerclamp    ras         wakeup_sources
> dri          kprobes             regmap      x86
> 
> 2016-09-14 15:22 GMT+03:00 c400 <c400c400@xxxxxxxxx>:
> > may be i can help to test something else? I am ready and have enough free time
> >
> > 2016-09-12 20:44 GMT+03:00 c400 <c400c400@xxxxxxxxx>:
> >> [182047.000570] xhci_hcd 0000:02:00.0: remove, state 4
> >> [182047.000577] usb usb4: USB disconnect, device number 1
> >> [182047.023980] xhci_hcd 0000:02:00.0: Host not halted after 16000 microseconds.
> >> [182047.023982] xhci_hcd 0000:02:00.0: Host controller not halted,
> >> aborting reset.
> >> [182047.023996] xhci_hcd 0000:02:00.0: USB bus 4 deregistered
> >> [182047.024103] xhci_hcd 0000:02:00.0: remove, state 1
> >> [182047.024108] usb usb3: USB disconnect, device number 1
> >> [182047.024320] xhci_hcd 0000:02:00.0: USB bus 3 deregistered
> >> [182058.617466] xhci_hcd 0000:02:00.0: xHCI Host Controller
> >> [182058.617556] xhci_hcd 0000:02:00.0: new USB bus registered,
> >> assigned bus number 3
> >> [182058.640820] xhci_hcd 0000:02:00.0: Host not halted after 16000 microseconds.
> >> [182058.640822] xhci_hcd 0000:02:00.0: can't setup: -110
> >> [182058.640824] xhci_hcd 0000:02:00.0: USB bus 3 deregistered
> >> [182058.640944] xhci_hcd 0000:02:00.0: init 0000:02:00.0 fail, -110
> >> [182058.640947] xhci_hcd: probe of 0000:02:00.0 failed with error -110
> >>
> >> can not see my flash inserted into the USB
> >>
> >> echo -n 'module xhci_hcd =p' > /sys/kernel/debug/dynamic_debug/control
> >> Do not have such folder
> >> (i`ve recompiled my kernel (make defconfig) with some small changes.
> >> may be i need to enable something in kernelt?

You need to enable CONFIG_DYNAMIC_DEBUG.

Alan Stern

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux