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From:   bugzilla-daemon@bugzilla.kernel.org
To:     linux-usb@vger.kernel.org
Subject: [Bug 208257] Kingston USB flash drive repeatedly disconnected after
 "Set SEL for device-initiated U2 failed."
Date:   Wed, 08 Jul 2020 14:32:49 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=208257

--- Comment #4 from Alan Stern (stern@rowland.harvard.edu) ---
On Wed, Jul 08, 2020 at 12:14:20PM +0000, bugzilla-daemon@bugzilla.kernel.org
wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=208257
> 
> --- Comment #3 from Julien Humbert (julroy67@gmail.com) ---
> (In reply to Alan Stern from comment #2)
> > Have you tried disabling Link Power Management?  Before you plug in the 
> > flash drive, do:
> > 
> >    sudo echo 0951:1666:k >/sys/module/usbcore/parameters/quirks
> 
> Incredible, that worked!
> The flash drive gets mounted and I'm able to access the files on it.
> 
> Not sure what the next step, but thanks!

Ideally we'd like to know whether this problem affects only your flash 
drive or all drives of the same type, and whether it shows up only on 
your computer or on lots of different computers.  Can you test for these 
things?

Alan Stern

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