linux-kernel - Re: Soft lockup in rt2x00usb_work

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Date:   Thu, 9 Nov 2017 11:54:36 +0100
From:   Stanislaw Gruszka <sgruszka@...hat.com>
To:     Richard Genoud <richard.genoud@...il.com>
Cc:     Helmut Schaa <helmut.schaa@...glemail.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-wireless@...r.kernel.org
Subject: Re: Soft lockup in rt2x00usb_work_rxdone()

On Wed, Nov 08, 2017 at 12:07:15PM +0100, Richard Genoud wrote:
> (maybe if there was more than one CPU on the board, I could do
> something, but that's not the case)

I reproduced the problem with nosmp option. I think we need
to check also for ENOENT error (not only for ENODEV).
Will post the fix in a second.

Thanks for reporting and debugging
Stanislaw