netdev - RE: r8152: data corruption in various scenarios

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Date:   Mon, 7 Jan 2019 16:01:26 +0000
From:   <Mario.Limonciello@...l.com>
To:     <hayeswang@...ltek.com>, <mlord@...ox.com>,
        <kai.heng.feng@...onical.com>
CC:     <aatteka@...ira.com>, <davem@...emloft.net>, <greg@...ah.com>,
        <romieu@...zoreil.com>, <netdev@...r.kernel.org>,
        <nic_swsd@...ltek.com>, <linux-kernel@...r.kernel.org>,
        <linux-usb@...r.kernel.org>, <ryankao@...ltek.com>
Subject: RE: r8152: data corruption in various scenarios

> -----Original Message-----
> From: Hayes Wang <hayeswang@...ltek.com>
> Sent: Sunday, January 6, 2019 9:54 PM
> To: Mark Lord; Kai Heng Feng
> Cc: Ansis Atteka; David Miller; greg@...ah.com; romieu@...zoreil.com;
> netdev@...r.kernel.org; nic_swsd; linux-kernel@...r.kernel.org; linux-
> usb@...r.kernel.org; Limonciello, Mario; Ryankao
> Subject: RE: r8152: data corruption in various scenarios
> 
> 
> [EXTERNAL EMAIL]
> 
> Monday, January 07, 2019 5:17 AM
> [...]
> >> This is probably an xHC bug. A similar issue is fixed by commit 9da5a1092b13
> >> ("xhci: Bad Ethernet performance plugged in ASM1042A host”).
> >>
> >>> I just got that exact message above, with the r8152 in my 1-day old WD15 dock,
> >>> with the TB16 "workaround" enabled in Linux kernel 4.20.0.
> >>
> >> Is the xHC WD15 connected an ASMedia one?
> >
> > I don't know.  I *think* it identifies as a DSL6340 (see below).
> >
> 
> According to our record, it is relative to the asmedia.
> 

DSL6430 should be referring to the Alpine Ridge controller in the system.

TB16 contains ASMedia host controller.  It's a Thunderbolt dock and all USB devices
are connected to ASMedia host controller in the dock.

WD15 does not contain an ASMedia host controller, it connected to system's
USB host controller.