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I have similar isue with FT232 USB dongle, after few weeks of Linux work I had overcurrent change detect error in dmest, and /dev/ttyUSB0 disapeared from system.
Hello,
I have issue with my project based on DE0 SoC Nano. During boot, i got:
1.344394] ttyS0 - failed to request DMA
[ 1.353905] mmc_host mmc0: Bus speed (slot 0) = 50000000Hz (slot req 25000000 Hz, actual 25000000HZ div = 1)
** 68 printk messages dropped ** [ 1.357089] dwc2 ffb40000.usb: Overcurrent c hange detected
** 181 printk messages dropped ** [ 1.365456] dwc2 ffb40000.usb: Overcurrent change detected
Thanks for your advice.
Best regards,
Petr.
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