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USB overcurrent #4

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burianp opened this issue Oct 19, 2017 · 1 comment
Open

USB overcurrent #4

burianp opened this issue Oct 19, 2017 · 1 comment

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@burianp
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burianp commented Oct 19, 2017

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.
@maku0
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maku0 commented Mar 4, 2024

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.

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@maku0 @burianp