From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BC19B84A3E; Wed, 22 Jan 2025 09:37:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737538626; cv=none; b=HYXu+wDAWTLYyZV8y1fBNiebn/keYRlFlhBliEqWpowlFEzdI8qRrhjJBJrbDKxD1NwrdoMg7HUja0xquOEjPZXWa/Al+apx0NFaFFBXNKqC2QkjTacU8vb/OJyVxlPigyzSTHVpVVSY/7rrLOzhgZKe3XmIx4xJhIXR1C/9yJQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737538626; c=relaxed/simple; bh=rlOGGkUnIGnmjC3eFC6UX3ykRXwRn+BB1McLj1+eX2g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hGium538vyAiXdro71aEe0rcsFirUt5oq7GgV+nqw5bdbSxzKmEMVzsfiq22p8FJKFYcGHxrDfxBoay6ei5FFXRPzbvTzA4/S7tLElt9V+JJHHnroLOyvU/D2gO+EQIUUNi2PuOgTnTB9tivyEHFIn8S9tmosQVKPeMnfy+58dk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Iyt7IThq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Iyt7IThq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DDB83C4CED6; Wed, 22 Jan 2025 09:37:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1737538626; bh=rlOGGkUnIGnmjC3eFC6UX3ykRXwRn+BB1McLj1+eX2g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Iyt7IThqsBbaLvHNayFGfFXmQFxlZZdQNtCrr7Q3vNt9dqOOdIEGtTD1Wcoyta/sk ujlZnZkHTg2bugJfMcIFLmKfbtpKlLvJ6ym7aZY4t3ekheAVykjbFmF3IMxG+U2q3Z LSrfxfvJ/6jN7BhDInjoilCEfDWeI8X5pjWunW0o= Date: Wed, 22 Jan 2025 10:37:03 +0100 From: Greg Kroah-Hartman To: John Ogness Cc: kernel test robot , oe-lkp@lists.linux.dev, lkp@intel.com, Petr Mladek , linux-serial@vger.kernel.org Subject: Re: [linux-next:master] [serial] b63e6f60ea: BUG:soft_lockup-CPU##stuck_for#s![modprobe:#] Message-ID: <2025012240-creatable-defective-d713@gregkh> References: <202501221029.fb0d574d-lkp@intel.com> <84wmenqm03.fsf@jogness.linutronix.de> Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <84wmenqm03.fsf@jogness.linutronix.de> On Wed, Jan 22, 2025 at 09:47:00AM +0106, John Ogness wrote: > Hi Greg, > > On 2025-01-22, kernel test robot wrote: > > kernel test robot noticed "BUG:soft_lockup-CPU##stuck_for#s![modprobe:#]" on: > > > > commit: b63e6f60eab45b16a1bf734fef9035a4c4187cd5 ("serial: 8250: Switch to nbcon console") > > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master > > It looks like we need to revert this commit (and the one after it) until > I can find out what is going on here. > > >From linux-next they are: > > b63e6f60eab4 serial: 8250: Switch to nbcon console > > 422c9727b07f serial: 8250: Revert "drop lockdep annotation from serial8250_clear_IER()" Ok, now reverted, thanks for finding the offending commits. > I hope to get this solved soon, but I am currently taking part in a Rust > training, which does not leave me many extra brain cycles at the moment. Totally understood :) thanks, greg k-h