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From: Alan Stern <stern@rowland.harvard.edu>
To: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Mathias Nyman <mathias.nyman@intel.com>,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [xhci] usb 4-1: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd
Date: Fri, 12 Mar 2021 16:56:42 -0500	[thread overview]
Message-ID: <20210312215642.GA314300@rowland.harvard.edu> (raw)
In-Reply-To: <CA+icZUUysAE0fwDL2iDKsCgY=AfckOtAEi+86kkVEs0Lqc-Jkg@mail.gmail.com>

On Fri, Mar 12, 2021 at 07:26:31PM +0100, Sedat Dilek wrote:
> On Fri, Mar 12, 2021 at 7:05 PM Alan Stern <stern@rowland.harvard.edu> wrote:

> > Although it's not conclusive, this log seems to indicate that ata_id
> > is the only program causing resets.  Have you tried preventing the
> > ata_id program from running (for example, by renaming it)?
> >
> 
> This is /lib/udev/ata_id from Debian's udev package.

That does not answer my question.

> > > Your diff now should say; s/SCSI ioctl error/SCSI ioctl info'.
> >
> > No, it shouldn't.  The log message itself is an info, but the event it
> > reports is an error.
> >
> 
> OK.
> Some of these SCSI ioctl errors are not causing a xhci-reset.

Yes, I noticed that.  In fact, the commands that cause a reset are all 
A1 (and not all of them), never 85.

> > > Alan, so "t" flags should be added as a quirks to linux-kernel sources...
> > >
> > > t = NO_ATA_1X  (don't allow ATA(12) and ATA(16) commands, uas only);
> > >
> > > ...for my ASMedia USB-3.0 controller?
> >
> > That's not at all clear.  This is a very common and popular device,
> > and nobody else has reported these problems.  It could be that
> > something is odd about your particular drive or computer, not these
> > drives in general.
> >
> 
> So, the external USB-3.0 HDD is now in "UAS only" mode/status.

Why?  Did you change something?

Alan Stern

> Cannot judge if things got better or not.
> 
> - Sedat -

  reply	other threads:[~2021-03-12 21:57 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-24 13:44 [xhci] usb 4-1: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Sedat Dilek
2021-02-24 17:25 ` Sedat Dilek
2021-03-01  8:54   ` Sedat Dilek
2021-03-01 15:53     ` Alan Stern
2021-03-05 12:09       ` Sedat Dilek
2021-03-05 16:07         ` Alan Stern
2021-03-05 19:05           ` Sedat Dilek
2021-03-05 19:22             ` Sedat Dilek
2021-03-05 19:30               ` Alan Stern
2021-03-05 19:41                 ` Sedat Dilek
2021-03-05 19:47                   ` Alan Stern
2021-03-05 19:54                     ` Sedat Dilek
2021-03-06  6:42                       ` Sedat Dilek
2021-03-06 16:58                         ` Alan Stern
2021-03-06 19:30                           ` Sedat Dilek
2021-03-06 20:26                           ` Sedat Dilek
2021-03-06 20:38                             ` Sedat Dilek
2021-03-06 20:49                               ` Sedat Dilek
2021-03-06 20:56                                 ` Sedat Dilek
2021-03-06 21:02                                   ` Sedat Dilek
2021-03-07 15:46                                 ` Alan Stern
2021-03-07 16:57                                   ` Sedat Dilek
2021-03-07 17:07                                     ` Alan Stern
2021-03-12 16:57                                       ` Sedat Dilek
2021-03-12 17:01                                         ` Sedat Dilek
2021-03-12 17:41                                           ` Sedat Dilek
2021-03-12 18:05                                             ` Alan Stern
2021-03-12 18:26                                               ` Sedat Dilek
2021-03-12 21:56                                                 ` Alan Stern [this message]
2021-03-05 19:25             ` Alan Stern
2021-03-05 19:37               ` Sedat Dilek

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