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Sender: Larry Finger <larry.finger@gmail.com>
Subject: Re: Strange problem with USB device
To:     Alan Stern <stern@rowland.harvard.edu>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     linux-usb@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
        ierturk@ieee.org
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From:   Larry Finger <Larry.Finger@lwfinger.net>
Message-ID: <6a6183b3-d113-179e-6939-d92bafb62398@lwfinger.net>
Date:   Tue, 8 Jun 2021 18:35:57 -0500
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On 6/8/21 1:53 PM, Alan Stern wrote:
> Yes.  Use the kernel boot-line parameter:
> 
> 	usbcore.dyndbg="=p"
> 

This command was tried, but no additional output occurred in dmesg.

The user has now tried a number of Linux distros, none of which worked, thus it 
seems to be a kernel problem. I have written to the BT people at Realtek to see 
if they have an suggestions. I will let you know when I learn more.

Larry