linux-kernel - Re: [BUG] tty: n_gsm: possible circular locking dependency detected

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Message-ID: <fd71a56a-2f5f-757f-7011-b5a618ff6951@geanix.com>
Date:   Thu, 19 Sep 2019 15:43:31 +0200
From:   Martin Hundebøll <martin@...nix.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Jiri Slaby <jslaby@...e.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Cc:     Sean Nyekjær <sean@...nix.com>,
        Esben Haabendal <esben@...nix.com>
Subject: Re: [BUG] tty: n_gsm: possible circular locking dependency detected

On 19/09/2019 15.27, Martin Hundebøll wrote:
> But we haven't been able to reproduce locally.

Scratch that. It's reliably reproduced by sending/saturating the uart 
with outgoing data.

// Martin