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 922312D46C0; Wed, 18 Feb 2026 00:51:49 +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=1771375912; cv=none; b=WhyATi2m6dQR0LYHmiZsZuazLdXf7fSZMrjqTdITN2aBKGHnBU5oMxkHosDqNYGLZptJ2a5o9k0QQniWCqPh+AeYRgIKI78Zxlvy/pPodj6rIFUTxK8KPGeqE8QvYr25BvJyEXYOZ7psw4/z3ZvXPR8rN/3bKpzNhb15uEfLSps= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771375912; c=relaxed/simple; bh=AmVKqftKxu5uvL9ClowvVPiZNCpMA6/iCt9WE0nw7+o=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=SqAmhxaKqUUthSlfpGSTeMQXXb1vjiIlFdrscEDVIwx/NBIcfJGTcEYazMdAtLSPUPLrvyqGjfQpB2V3STrB6uPmHGB48r2YWcb4NfZ12GAoO1tiloiWBBeJScNb31c9nYoiHS//HfyM+dFE4+Zve6G4K+Xar32qRkFrKk8jJJ0= 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=vvocbs58; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=PZrxNVmW; 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="vvocbs58"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="PZrxNVmW" From: Nam Cao DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1771375907; 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=AmVKqftKxu5uvL9ClowvVPiZNCpMA6/iCt9WE0nw7+o=; b=vvocbs58yRwdU+eHXt8COU+Uz9n5mw5Z2kzCyfcel5zOhsn/p+co3fdssNMOkmpsK6uajc s3TclyMSkmhKl4J2QVQWeyBFcUxQnisI3wRyd9pUzLjb/2SXkbN0V+j7/z35PFmTTb9gVc fECZ2Ts2dHIaGhqheFeAzHYFQrHjIA69cDfrq+VKqlKJJP7gd27jAZsbq5Pg9TYg1vQE0E HWbg4yL5NudpZ8GQRoSQb8Or2IXQ+V7uLMPMWnjLTY24Pl5bj4GGxlX181YzpKsEV91S87 0IRpwMaiDduC8CKqs2caz6NzZteIhxw+mukkQuT8OxTbG0h8BBkbv0yr5uvubQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1771375907; 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=AmVKqftKxu5uvL9ClowvVPiZNCpMA6/iCt9WE0nw7+o=; b=PZrxNVmWwEg4oRZ3VvFtTRVuPJnmw2UNm6iATr9iYt/9rM3KDBSEr16ein9llCIJmg+2Wz VjlpSIQKbFWGO6Cg== To: Petr Mladek Cc: Greg Kroah-Hartman , Jiri Slaby , Nicolas Pitre , Calixte Pernot , Steven Rostedt , John Ogness , Sergey Senozhatsky , Sebastian Andrzej Siewior , 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 In-Reply-To: References: <87v7fwdsln.fsf@yellow.woof> Date: Wed, 18 Feb 2026 07:51:35 +0700 Message-ID: <877bsaeuw8.fsf@yellow.woof> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Petr Mladek writes: > Sebastian has recently sent a patch which should remove the > cond_resched(), see > https://lore.kernel.org/all/20260126180836.SNCdMW2f@linutronix.de > > It seems that the patch has made it upstream in this merge window > for 7.0, see the commit 8e9bf8b9e8c0 ("printk, vt, fbcon: Remove > console_conditional_schedule()"). Pulled and the problem goes away. Thanks Sebastian. Nam