Hi, Roger Quadros <rogerq@xxxxxx> writes: > I'm on v5.4-rc5 on TI's dra7 platform > > root@dra7xx-evm:~# modprobe g_audio > [ 79.951077] g_audio gadget: Linux USB Audio Gadget, version: Feb 2, 2012 > [ 79.957849] g_audio gadget: g_audio ready > > Now I plug the EVM's USB to PC host. > > root@dra7xx-evm:~# [ 85.359410] g_audio gadget: high-speed config #1: Linux USB Audio Gadget > [ 85.450574] 8<--- cut here --- > [ 85.453645] Unable to handle kernel paging request at virtual address ecb769dc > [ 85.460900] pgd = 08bb55ef > [ 85.463618] [ecb769dc] *pgd=aca1141e(bad) > [ 85.467651] Internal error: Oops: 8000000d [#1] SMP ARM > [ 85.472897] Modules linked in: usb_f_uac2 u_audio g_audio libcomposite xhci_plat_hcd xhci_hcd usbcore dwc3 evdev udc_core usb_common spi_nor snd_soc_simple_card snd_soc_simple_card_utils leds_gpio led_class 4 > [ 85.523128] CPU: 0 PID: 1240 Comm: irq/170-dwc3 Not tainted 5.4.0-rc5 #50 > [ 85.529945] Hardware name: Generic DRA74X (Flattened Device Tree) > [ 85.536066] PC is at 0xecb769dc > [ 85.539240] LR is at dwc3_gadget_giveback+0x44/0x50 [dwc3] what's in dwc3_gadget_giveback + 0x44? GDB can tell you that. > dwc3 trace dump is below > [...] > irq/170-dwc3-1240 [000] d... 85.450567: dwc3_gadget_giveback: : req d4301893 length 0/0 zsI ==> 0 What the hell??? Where's the endpoint name? -- balbi
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