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dwc2 causes kernel panic #2634

@haimiko

Description

@haimiko

I randomly get these kernel panics on my RPI Zero W after running raspistill a number of times. Any help appreciated.

Aug 1 09:02:16 kvmpi kernel: [ 126.845342] ------------[ cut here ]------------
Aug 1 09:02:16 kvmpi kernel: [ 126.845568] WARNING: CPU: 0 PID: 0 at drivers/usb/dwc2/gadget.c:300 dwc2_hsotg_init_fifo+0x1ac/0x1d0 [dwc2]
Aug 1 09:02:16 kvmpi kernel: [ 126.845578] Modules linked in: usb_f_mass_storage usb_f_acm u_serial usb_f_hid cmac bnep hci_uart btbcm serdev bluetooth ecdh_generic brcmfmac brcmutil cfg80211 rfkill i2c_bcm2835 uio_pdrv_genirq uio fixed cuse fuse i2c_bcm2708 i2c_dev libcomposite dwc2 udc_core ip_tables x_tables
Aug 1 09:02:16 kvmpi kernel: [ 126.845706] CPU: 0 PID: 0 Comm: swapper Tainted: G W 4.14.52+ #1123
Aug 1 09:02:16 kvmpi kernel: [ 126.845714] Hardware name: BCM2835
Aug 1 09:02:16 kvmpi kernel: [ 126.845787] [] (unwind_backtrace) from [] (show_stack+0x20/0x24)
Aug 1 09:02:16 kvmpi kernel: [ 126.845824] [] (show_stack) from [] (dump_stack+0x20/0x28)
Aug 1 09:02:16 kvmpi kernel: [ 126.845860] [] (dump_stack) from [] (__warn+0xe4/0x10c)
Aug 1 09:02:16 kvmpi kernel: [ 126.845883] [] (__warn) from [] (warn_slowpath_null+0x30/0x38)
Aug 1 09:02:16 kvmpi kernel: [ 126.846013] [] (warn_slowpath_null) from [] (dwc2_hsotg_init_fifo+0x1ac/0x1d0 [dwc2])
Aug 1 09:02:16 kvmpi kernel: [ 126.846215] [] (dwc2_hsotg_init_fifo [dwc2]) from [] (dwc2_hsotg_core_init_disconnected+0x88/0x3ec [dwc2])
Aug 1 09:02:16 kvmpi kernel: [ 126.846401] [] (dwc2_hsotg_core_init_disconnected [dwc2]) from [] (dwc2_hsotg_irq+0x6f4/0x7c8 [dwc2])
Aug 1 09:02:16 kvmpi kernel: [ 126.846533] [] (dwc2_hsotg_irq [dwc2]) from [] (__handle_irq_event_percpu+0x94/0x1c8)
Aug 1 09:02:16 kvmpi kernel: [ 126.846563] [] (__handle_irq_event_percpu) from [] (handle_irq_event_percpu+0x2c/0x68)

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