Hi, > Stefan Wahren <stefan.wahren@xxxxxxxx> hat am 2. Mai 2018 um 18:49 geschrieben: > > > Hi Minas, > > > Minas Harutyunyan <Minas.Harutyunyan@xxxxxxxxxxxx> hat am 2. Mai 2018 um 10:54 geschrieben: > > > > > > Hi, > > > > On 4/27/2018 10:03 AM, Stefan Wahren wrote: > > > Hi, > > > during my tests with a Raspberry Pi 2 B with an C-Media audio dongle connected to a powered USB hub, i noticed the enumeration errors below (the device gets finally ernumerated). I tested yesterdays linux-next, 4.17-rc2 and 4.14 but all of them show this behavior, if i plugin the audio dongle into the USB hub. > > > i retested this setup with next-20180615 and now i get the following output (device still enumerate): after connect and disconnect several times of the audio dongle: [ 121.400211] usb 1-1.4.1.3: new full-speed USB device number 7 using dwc2 [ 121.546883] input: C-Media Electronics Inc. USB PnP Sound Device as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4/1-1.4.1/1-1.4.1.3/1-1.4.1.3:1.3/0003:0D8C:013C.0003/input/input4 [ 121.611416] hid-generic 0003:0D8C:013C.0003: input: USB HID v1.00 Device [C-Media Electronics Inc. USB PnP Sound Device] on usb-3f980000.usb-1.4.1.3/input3 [ 121.761105] usbcore: registered new interface driver snd-usb-audio [ 133.052028] usb 1-1.4.1.3: USB disconnect, device number 7 [ 133.154057] usb 1-1.4.1.3: 1:1: cannot set freq 48000 to ep 0x1 [ 133.155655] usb 1-1.4.1.3: 2:1: cannot set freq 48000 to ep 0x82 [ 133.158127] usb 1-1.4.1.3: 13:0: cannot get min/max values for control 2 (id 13) [ 133.159278] usb 1-1.4.1.3: 9:0: cannot get min/max values for control 2 (id 9) [ 133.160653] usb 1-1.4.1.3: 10:0: cannot get min/max values for control 2 (id 10) [ 135.990208] usb 1-1.4.1.3: new full-speed USB device number 8 using dwc2 [ 136.174266] input: C-Media Electronics Inc. USB PnP Sound Device as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4/1-1.4.1/1-1.4.1.3/1-1.4.1.3:1.3/0003:0D8C:013C.0004/input/input5 [ 136.241447] hid-generic 0003:0D8C:013C.0004: input: USB HID v1.00 Device [C-Media Electronics Inc. USB PnP Sound Device] on usb-3f980000.usb-1.4.1.3/input3 [ 141.942016] usb 1-1.4.1.3: USB disconnect, device number 8 [ 142.084181] usb 1-1.4.1.3: 1:1: cannot set freq 48000 to ep 0x1 [ 142.085715] usb 1-1.4.1.3: 2:1: cannot set freq 48000 to ep 0x82 [ 142.088134] usb 1-1.4.1.3: 13:0: cannot get min/max values for control 2 (id 13) [ 142.089298] usb 1-1.4.1.3: 9:0: cannot get min/max values for control 2 (id 9) [ 142.090664] usb 1-1.4.1.3: 10:0: cannot get min/max values for control 2 (id 10) [ 143.930212] usb 1-1.4.1.3: new full-speed USB device number 9 using dwc2 [ 144.112908] input: C-Media Electronics Inc. USB PnP Sound Device as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4/1-1.4.1/1-1.4.1.3/1-1.4.1.3:1.3/0003:0D8C:013C.0005/input/input6 [ 144.181406] hid-generic 0003:0D8C:013C.0005: input: USB HID v1.00 Device [C-Media Electronics Inc. USB PnP Sound Device] on usb-3f980000.usb-1.4.1.3/input3 [ 148.132026] usb 1-1.4.1.3: USB disconnect, device number 9 [ 148.244021] usb 1-1.4.1.3: 1:1: cannot set freq 48000 to ep 0x1 [ 148.245506] usb 1-1.4.1.3: 2:1: cannot set freq 48000 to ep 0x82 [ 148.247126] usb 1-1.4.1.3: 13:0: cannot get min/max values for control 2 (id 13) [ 148.248603] usb 1-1.4.1.3: 9:0: cannot get min/max values for control 2 (id 9) [ 148.250081] usb 1-1.4.1.3: 10:0: cannot get min/max values for control 2 (id 10) [ 149.560221] usb 1-1.4.1.3: new full-speed USB device number 10 using dwc2 [ 149.743422] input: C-Media Electronics Inc. USB PnP Sound Device as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4/1-1.4.1/1-1.4.1.3/1-1.4.1.3:1.3/0003:0D8C:013C.0006/input/input7 [ 149.811406] hid-generic 0003:0D8C:013C.0006: input: USB HID v1.00 Device [C-Media Electronics Inc. USB PnP Sound Device] on usb-3f980000.usb-1.4.1.3/input3 [ 151.902017] usb 1-1.4.1.3: USB disconnect, device number 10 [ 152.033988] usb 1-1.4.1.3: 1:1: cannot set freq 48000 to ep 0x1 [ 152.035524] usb 1-1.4.1.3: 2:1: cannot set freq 48000 to ep 0x82 [ 152.037919] usb 1-1.4.1.3: 13:0: cannot get min/max values for control 2 (id 13) [ 152.039059] usb 1-1.4.1.3: 9:0: cannot get min/max values for control 2 (id 9) [ 152.040368] usb 1-1.4.1.3: 10:0: cannot get min/max values for control 2 (id 10) [ 153.150217] usb 1-1.4.1.3: new full-speed USB device number 11 using dwc2 [ 153.332898] input: C-Media Electronics Inc. USB PnP Sound Device as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4/1-1.4.1/1-1.4.1.3/1-1.4.1.3:1.3/0003:0D8C:013C.0007/input/input8 [ 153.401534] hid-generic 0003:0D8C:013C.0007: input: USB HID v1.00 Device [C-Media Electronics Inc. USB PnP Sound Device] on usb-3f980000.usb-1.4.1.3/input3 [ 156.802020] usb 1-1.4.1.3: USB disconnect, device number 11 [ 156.944008] usb 1-1.4.1.3: 1:1: cannot set freq 48000 to ep 0x1 [ 156.945498] usb 1-1.4.1.3: 2:1: cannot set freq 48000 to ep 0x82 [ 156.947831] usb 1-1.4.1.3: 13:0: cannot get min/max values for control 2 (id 13) [ 156.949091] usb 1-1.4.1.3: 9:0: cannot get min/max values for control 2 (id 9) [ 156.950383] usb 1-1.4.1.3: 10:0: cannot get min/max values for control 2 (id 10) [ 157.750216] usb 1-1.4.1.3: new full-speed USB device number 12 using dwc2 [ 157.932786] input: C-Media Electronics Inc. USB PnP Sound Device as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4/1-1.4.1/1-1.4.1.3/1-1.4.1.3:1.3/0003:0D8C:013C.0008/input/input9 [ 158.001434] hid-generic 0003:0D8C:013C.0008: input: USB HID v1.00 Device [C-Media Electronics Inc. USB PnP Sound Device] on usb-3f980000.usb-1.4.1.3/input3 I also tried Dmitry Torokhov latest patches they didn't have any influence. Stefan -- 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
