Possible USB Mass Storage bug on Xilinx's Zynq

Michal Simek michal.simek at xilinx.com
Tue Apr 20 16:11:21 CEST 2021


On 4/20/21 3:53 PM, Bruno L. Albrecht wrote:
> The EP1/in fails are on drivers/usb/gadget/ci_udc.c @ line 628. They happen
> during enumeration (I'm able to check even exactly which package fails
> using Wireshark + USB PCAP), but I couldn't find out more. I was hoping
> someone had been through that and had an idea of could be happening before
> I dive into the wonders of USB drivers.
> The CACHE fails are from arch/arm/lib/cache.c @ line 64.

There shouldn't be anything xilinx specific in this code but clearly
that start/stop address are not aligned.


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