On Thu, May 20, 2021 at 03:35:26PM +0300, Matwey V. Kornilov wrote: > Hi, > > I am running upstream Linux 5.12.3 on an Odroid C4 board and see lots > of the following lines in dmesg while using the gadget mass storage > driver. I suppose that this can indicate some issue in the dwc2 > driver. > > [ 189.752586] dwc2 ff400000.usb: bound driver g_mass_storage > [ 190.118994] dwc2 ff400000.usb: new device is high-speed > [ 190.199074] dwc2 ff400000.usb: new device is high-speed > [ 190.267855] dwc2 ff400000.usb: new address 4 > [ 191.310603] dwc2 ff400000.usb: dwc2_hsotg_ep_sethalt(ep > 00000000ce48180a ep1in, 1) > [ 191.310737] dwc2 ff400000.usb: dwc2_hsotg_start_req: ep1 is stalled > [ 191.311015] dwc2 ff400000.usb: dwc2_hsotg_ep_sethalt(ep > 00000000ce48180a ep1in, 0) > [ 191.312257] dwc2 ff400000.usb: dwc2_hsotg_ep_sethalt(ep > 00000000ce48180a ep1in, 1) > [ 191.312373] dwc2 ff400000.usb: dwc2_hsotg_start_req: ep1 is stalled > [ 191.312762] dwc2 ff400000.usb: dwc2_hsotg_ep_sethalt(ep > 00000000ce48180a ep1in, 0) > [ 191.336959] dwc2 ff400000.usb: dwc2_hsotg_ep_sethalt(ep > 00000000ce48180a ep1in, 1) > [ 191.447759] dwc2 ff400000.usb: dwc2_hsotg_ep_sethalt(ep > 00000000ce48180a ep1in, 1) > [ 191.447823] dwc2 ff400000.usb: dwc2_hsotg_start_req: ep1 is stalled > [ 191.448098] dwc2 ff400000.usb: dwc2_hsotg_ep_sethalt(ep > 00000000ce48180a ep1in, 0) > [ 191.448550] dwc2 ff400000.usb: dwc2_hsotg_ep_sethalt(ep > 00000000ce48180a ep1in, 1) > [ 191.567748] dwc2 ff400000.usb: dwc2_hsotg_ep_sethalt(ep > 00000000ce48180a ep1in, 1) Those look like they ought to be debugging messages. They don't seem to indicate any problem. Alan Stern
