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Published 20 hours ago • verified publisher icon ikwzm

USB overcurrent

Open burianp opened this issue 6 years ago • 1 comments

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.

burianp avatar Oct 19 '17 14:10 burianp

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.

maku0 avatar Mar 04 '24 12:03 maku0