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From: Ioana Ciornei <ioana.ciornei@nxp.com>
To: Thorsten Leemhuis <regressions@leemhuis.info>
Cc: "davem@davemloft.net" <davem@davemloft.net>,
	"kuba@kernel.org" <kuba@kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [regression] dpaa2: TSO offload on lx2160a causes fatal exception in interrupt
Date: Wed, 4 May 2022 08:06:47 +0000	[thread overview]
Message-ID: <20220504080646.ypkpj7xc3rcgoocu@skbuf> (raw)
In-Reply-To: <7ca81e6b-85fd-beff-1c2b-62c86c9352e9@leemhuis.info>

On Wed, May 04, 2022 at 09:46:49AM +0200, Thorsten Leemhuis wrote:
> Hi, this is your Linux kernel regression tracker.
> 
> Ioana, I noticed a regression report in bugzilla.kernel.org that afaics
> nobody acted upon since it was reported about a week ago. The reporter
> *suspects* it's caused by a recent change of yours. 

I was not aware of this regression report, thanks for letting me know.

> That's why I decided
> to forward it to the lists and all people that seemed to be relevant
> here. To quote from https://bugzilla.kernel.org/show_bug.cgi?id=215886
> 
> >  kernelbugs@63bit.net 2022-04-25 18:15:38 UTC
> > 
> > Network traffic eventually causes a fatal exception in interrupt. Disabling TSO prevents the bug. Likely related to recent changes to enable TSO?
> > 
> > Crash:
> > 

<snip>

> > Mitigation:
> > ethtool -K ethX tso off
> > 
> > [reply] [−] Comment 1 kernelbugs@63bit.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.

Ioana

  reply	other threads:[~2022-05-04  8:06 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-04  7:46 Thorsten Leemhuis
2022-05-04  8:06 ` Ioana Ciornei [this message]
2022-05-12 16:43   ` Jakub Kicinski
2022-05-19  5:12     ` Jakub Kicinski
2022-05-19  6:07       ` Thorsten Leemhuis
2022-05-19 16:03         ` Jakub Kicinski
2022-05-19 16:23           ` Ioana Ciornei

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