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Date:   Thu, 10 Sep 2020 16:00:10 -0700
From:   Baptiste Covolato <>
To:     Michael Chan <>
Cc:     David Miller <>,
        Netdev <>,
        Jakub Kicinski <>,
        David Christensen <>
Subject: Re: [PATCH net] tg3: Fix soft lockup when tg3_reset_task() fails.

Hi Michael,

On Sat, Sep 5, 2020 at 2:02 AM Michael Chan <> wrote:
> Now we have AER errors detected on 2 other tg3 devices, not from the
> one above with tg3_abort_hw() failure.
> I think this issue that you're reporting is not the same as David's
> issue of TX timeout happening at about the same time as AER.
> Please describe the issue in more detail, in particular how's the
> tg3_abort_hw() seen above initiated and how many tg3 devices do you
> have.  Also, are you injecting these AER errors?  Please also include
> the complete dmesg.  Thanks.

Sorry for the delay in response. I have been running some more
experiments with this issue to try to gather as much information as
possible. While running those experiments I noticed some strange
behavior on my system with PCI. I finally narrowed down the issue to
an improper power on sequence. After I fixed this, all my issues with
the tg3 are gone (tested with this patch applied). I think we're all
good now.

I'll let you know if I see any issues in the future.


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