netdev - Re: [regression] dpaa2: TSO offload on lx2160a causes fatal exception in interrupt

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Date:   Wed, 18 May 2022 22:12:26 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Ioana Ciornei <ioana.ciornei@....com>
Cc:     Thorsten Leemhuis <regressions@...mhuis.info>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [regression] dpaa2: TSO offload on lx2160a causes fatal
 exception in interrupt

On Thu, 12 May 2022 09:43:23 -0700 Jakub Kicinski wrote:
> On Wed, 4 May 2022 08:06:47 +0000 Ioana Ciornei wrote:
> > > > Mitigation:
> > > > ethtool -K ethX tso off
> > > > 
> > > > [reply] [−] Comment 1 kernelbugs@...it.net 2022-05-02 01:37:06 UTC
> > > > 
> > > > I believe this is related to commit 3dc709e0cd47c602a8d1a6747f1a91e9737eeed3
> > > >     
> > > 
> > > That commit is "dpaa2-eth: add support for software TSO".
> > > 
> > > Could somebody take a look into this? Or was this discussed somewhere
> > > else already? Or even fixed?    
> > 
> > I will take a look at it, it wasn't discussed already.  
> 
> Hi! Any progress on this one? AFAICT this is a new bug in 5.18, would
> be great if we can close it in the next week or so, otherwise perhaps
> consider disabling TSO by default. maybe?

ping?