From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 165952BCF5D; Tue, 17 Feb 2026 07:07:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771312079; cv=none; b=erEDHM4ymX0UWj/SfmaHO80MYcD6J4wWw7U9ZtN145VIdgUq2xe7VfyNKJl7V2ew/MjZM7dRuJ/pKPUpgxYz27l7DjRPOqSwNEmXehriU9ksQeDta+p9X2l5dDnzJusC4q/i7g71SThUwqK5uGVO0B3M2k9hHNcMZtPWZUvrL2k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771312079; c=relaxed/simple; bh=4pRFY6G60I0r+UOtFLu3ntd6y7DabgtdX73gpV9QRpU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KdceE2qOCxlRrFuBlRElwGFCykc9d2iC59YNluwDrFQIrku64tVCeOuLK7WR0AVV0AxYMYDJjlvxKSAVx0xemvinNm5Bmsz5r2goanTzpQHFkQvZO90TkU5jJbGJtXozKYM15MkZZTXt1YOTCTfwJGfjH40O5jHM8IYtcaZ6kO0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=NAAYlrD/; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=IvE3jiB/; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="NAAYlrD/"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="IvE3jiB/" Date: Tue, 17 Feb 2026 08:07:54 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1771312076; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4pRFY6G60I0r+UOtFLu3ntd6y7DabgtdX73gpV9QRpU=; b=NAAYlrD/Rae99xXpUzk0gHDQV6J4m0jotKlUIElrsFSDc9NvihK+LGMyk5xkQn+P/y2fnu gtFmsT+sZVh/mbifvboKS6wynSTLbZ7KrnONLTrRxU5u+Um/oh0paw9E6I42PI5LefKVsC /VkYQ+m5MCOnlT4fyGDjrS9mU9EjF4jXUp46k8uIgruiMpik/RmVNcXBJZUvey2mKfsRjm +eIRTlftkI1zqH5zXTWpbrEznE48+w8LDzFIFEQ1An7nskgdqSL7giK/LbZSnftn1oF5oz NiQGrcbKJLoeyk2Vku0Oq62bCgqQoSzW6sunlsnMy2tAR1pMKe1t1GO1t9AwPw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1771312076; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4pRFY6G60I0r+UOtFLu3ntd6y7DabgtdX73gpV9QRpU=; b=IvE3jiB/J2UiyTGawTyvPv8uMfY+bRg/qy9GtG9wOwdR+MNtLibli8ruFdImvVfwQtzA5u zMhzL44n0xoulPDw== From: Sebastian Andrzej Siewior To: Nam Cao Cc: Greg Kroah-Hartman , Jiri Slaby , Nicolas Pitre , Calixte Pernot , Petr Mladek , Steven Rostedt , John Ogness , Sergey Senozhatsky , Clark Williams , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev Subject: Re: printk, vt: sleep from invalid context bug Message-ID: <20260217070754.Y4BolmnM@linutronix.de> References: <87v7fwdsln.fsf@yellow.woof> 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=utf-8 Content-Disposition: inline In-Reply-To: <87v7fwdsln.fsf@yellow.woof> On 2026-02-17 09:14:12 [+0700], Nam Cao wrote: > Hi, Hi, > Since commit 1bc9a28f076f ("printk: Use console_flush_one_record for > legacy printer kthread"), I see this warning: https://lore.kernel.org/all/20260126180836.SNCdMW2f@linutronix.de/T/#u Sebastian