Windows fails to install FBSG based drive

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Alan/Greg,

I thought I'd write regarding a separate issue we're having.

When we load the File backed storage gadget (FBSG) driver (with a good backing file) and connect the USB cable to a system (we've tested Mac and Windows) the OS is never fully able to install the drive and gives up after 3-5 minutes of trying.  Eventually, I found through debug prints if we have a single general INFO print in the main while loop in fsg_main_thread(), the host OS is able to correctly install the drive (in < 10 seconds) and things work ok.  What's more, if I add a check make the INFO prints in fsg_main_thread() stop printing after 400 prints, things keep working fine after that (suggesting there is some sort of problem with connection initialization only).

Have you ever heard of anything similar?  Any ideas on what the problem could be?

Rob
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