Re: Urb completion handler returns -32

2014-09-30 Thread Alan Stern
On Tue, 30 Sep 2014, Naveen Kumar Parna wrote: > Hi Alan, > > > The device replied with a STALL. > > The device runs at low speed or full speed and is connected through a USB-2 > > hub > > Yes, my device is full speed (12Mbps) device and connected to 2.0 root > hub. So how to avoid getting the

Re: Urb completion handler returns -32

2014-09-30 Thread Naveen Kumar Parna
The device tree is here: root@naveen-OptiPlex-745:/home/naveen# lsusb -t 1-1.5.2:1.2: No such file or directory 1-1.5.3:1.2: No such file or directory 1-1.5.4:1.2: No such file or directory 1-1.5.5:1.2: No such file or directory 1-1.5.6:1.2: No such file or directory 1-1.5.7.1:1.2: No such f

Re: Urb completion handler returns -32

2014-09-29 Thread Naveen Kumar Parna
Hi Alan, > The device replied with a STALL. > The device runs at low speed or full speed and is connected through a USB-2 > hub Yes, my device is full speed (12Mbps) device and connected to 2.0 root hub. So how to avoid getting the STALL? I attached the usbmon log and Ellisys USB analyser lo

Re: Urb completion handler returns -32

2014-09-29 Thread Alan Stern
On Mon, 29 Sep 2014, Naveen Kumar Parna wrote: > Hi All, > > I want to know the reason for getting INT urb completion status as -EPIPE ? The most common reasons are: The device replied with a STALL. The device runs at low speed or full speed and is connected through a U

Re: Urb completion handler returns -32

2014-09-29 Thread Naveen Kumar Parna
Hi All, Sorry I forgot to add this small detail: I am having a USB bluetooth dongle and it support Control \ Interrupt \ Bulk \ Isochronous Transfers. I am having a device driver for this, In driver probe function I am submitting an URB to INT endpoint. And in the completion handler again re-q

Urb completion handler returns -32

2014-09-29 Thread Naveen Kumar Parna
Hi All, I want to know the reason for getting INT urb completion status as -EPIPE ? Thanks, Pnav -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html