From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
To: Rosen Penev <rosenp@gmail.com>
Cc: linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: MT76x2U crashes XHCI driver on AMD Ryzen system
Date: Sun, 13 Jan 2019 20:00:38 +0100 [thread overview]
Message-ID: <CAJ0CqmU7k5i26g7dGPxNdts7Gm67W6qNsr4vYuW05ugsEF1ohw@mail.gmail.com> (raw)
In-Reply-To: <1547404075.1582.0@smtp.gmail.com>
>
>
> On Sun, Jan 13, 2019 at 5:33 AM, Lorenzo Bianconi <lorenzo.bianconi@redhat.com> wrote:
>
> Direct. No VM used. This is the only peripheral causing this issue.
>
> Is the device connected to a usb3.0 port? If so, could you please try to connect the dongle to a 2.0 one?
>
> I tried through a USB 2.0 port. Shouldn't make a difference as they both use the xhci driver.
>
mt76x2u supports scatter-gather on usb 3.0 (not on 2.0)
> Could you please double check if IOMMU is enabled?
>
Have you tried to disable it? Does it make any difference?
Regards,
Lorenzo
> It is.
>
> Note that this does not happen on kernel 4.15 (Ubuntu's kernel) as mt76 lacks support.
>
> Regards, Lorenzo
>
>
>
next prev parent reply other threads:[~2019-01-13 20:11 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-10 22:55 MT76x2U crashes XHCI driver on AMD Ryzen system Rosen Penev
2019-01-11 17:29 ` Lorenzo Bianconi
2019-01-11 19:01 ` Rosen Penev
2019-01-13 13:33 ` Lorenzo Bianconi
[not found] ` <1547404075.1582.0@smtp.gmail.com>
2019-01-13 19:00 ` Lorenzo Bianconi [this message]
2019-01-14 2:20 ` Rosen Penev
2019-01-14 3:13 ` Samuel Sieb
2019-01-14 9:18 ` Lorenzo Bianconi
2019-01-14 9:22 ` Tom Psyborg
2019-01-14 20:06 ` Rosen Penev
2019-01-15 9:04 ` Lorenzo Bianconi
2019-02-18 14:37 ` Stanislaw Gruszka
2019-02-18 15:15 ` Lorenzo Bianconi
2019-02-18 17:01 ` Robin Murphy
2019-02-19 11:08 ` Stanislaw Gruszka
2019-02-26 10:05 ` Joerg Roedel
2019-02-26 10:34 ` Stanislaw Gruszka
2019-02-26 10:44 ` Joerg Roedel
2019-02-26 11:24 ` Stanislaw Gruszka
2019-02-28 9:04 ` Stanislaw Gruszka
2019-02-28 10:42 ` Stanislaw Gruszka
2019-02-28 12:19 ` Stanislaw Gruszka
2019-02-28 13:40 ` Joerg Roedel
2019-03-04 7:10 ` Stanislaw Gruszka
2019-03-04 7:20 ` Rosen Penev
2019-03-11 8:43 ` Stanislaw Gruszka
2019-03-11 9:03 ` [PATCH] iommu/amd: fix sg->dma_address for sg->offset bigger than PAGE_SIZE Stanislaw Gruszka
2019-03-11 15:47 ` Alexander Duyck
2019-03-12 7:08 ` Stanislaw Gruszka
2019-03-12 15:18 ` Alexander Duyck
2019-03-13 9:03 ` [PATCH v2] " Stanislaw Gruszka
2019-03-18 10:17 ` Joerg Roedel
2019-03-12 7:13 ` MT76x2U crashes XHCI driver on AMD Ryzen system Stanislaw Gruszka
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