New: System freeze and hard reset when attempting to flash Sparkfun Red-V

https://bugzilla.kernel.org/show_bug.cgi?id=208843

            Bug ID: 208843
           Summary: System freeze and hard reset when attempting to flash
                    Sparkfun Red-V
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.4.48-gentoo
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: USB
          Assignee: [email protected]
          Reporter: [email protected]
        Regression: No

The Sparkfun Red-V appears as a flash drive and 2 ACM modems (UARTs). When an ihex file is copied to the "flash drive", the Red-V resets as it uses that file to reflash it's SPI flash. Every 4-5 times I attempt this procedure, the sudden disconnection of the device causes my host system to freeze for a second or 2 and then hard-reset. I wish I could give more technical info, but I'm not a kernel dev. If you need more info, let me know and I'll try to get it for you.

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