linux-kernel - Re: [xhci] usb 4-1: reset SuperSpeed Gen 1 USB device number 2 using xhci

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Message-ID: <CA+icZUXEWh6G-Bm9-2F1X=S=ZYog37PiaMWHUjZWs1g-KDOqJg@mail.gmail.com>
Date:   Fri, 5 Mar 2021 20:54:12 +0100
From:   Sedat Dilek <sedat.dilek@...il.com>
To:     Alan Stern <stern@...land.harvard.edu>
Cc:     Mathias Nyman <mathias.nyman@...el.com>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [xhci] usb 4-1: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd

On Fri, Mar 5, 2021 at 8:47 PM Alan Stern <stern@...land.harvard.edu> wrote:
>
> On Fri, Mar 05, 2021 at 08:41:40PM +0100, Sedat Dilek wrote:
> > On Fri, Mar 5, 2021 at 8:30 PM Alan Stern <stern@...land.harvard.edu> wrote:
>
> > > Okay, that indicates the ATA commands are being sent not by the kernel
> > > but by some program.  I'm not sure how you can easily find out which
> > > program; probably the best thing to do is turn them off one by one until
> > > you find the one responsible.
> > >
> >
> > I can hardly imagine which user-space tools other than powertop can
> > interfere here.
> > Any ideas?
>
> No.  Especially since I have no idea what programs are running on your
> computer.
>

Are we talking about things like gvfs - udisks - fuse etc.?
All running via systemd here.

Here I am using KDE/Plasma as DE.
Unsure if this runs apps in the background.

AFAICS I have not seen xhci-resets with Debian-Kernel 5.10.19-1.

- Sedat -