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

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Date:   Thu, 19 May 2022 08:07:15 +0200
From:   Thorsten Leemhuis <regressions@...mhuis.info>
To:     Jakub Kicinski <kuba@...nel.org>,
        Ioana Ciornei <ioana.ciornei@....com>
Cc:     "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 19.05.22 07:12, Jakub Kicinski wrote:
> 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?

ICYMI: There was some activity in bugzilla nearly ten days ago and Ioana
provided a patch, but seems that didn't help. I asked for a status
update yesterday, but no reply yet:
https://bugzilla.kernel.org/show_bug.cgi?id=215886

Ciao, Thorsten