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 64B981BDAA5 for ; Thu, 10 Oct 2024 12:21:16 +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=1728562877; cv=none; b=hENNZerBkQgKSKIkykpA71je0aMPOBGMspv0TW1taVoo5G3yQWdocliu1XYxPv2VVzrUK00CaUozG3kjzSOTqnL6QtmmU3oHp7GVkGq1qSLzQD6qpBT4Rn4LEP4WTEQ5QaCqOz6ViHOzBGleRHAJv1AXdqRbucPz80cMTF+E2bA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728562877; c=relaxed/simple; bh=UevjZbBWy216zD25MmMfuHA3cSJpNj/nKZVEjV3KD0M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=br0eDe1C6I9ogr4tb1Z5AFfUxDT9w8DU28a4hyAscw2lASdP66Pcxr/kgXgVqc66azc6ZLQjKDCi3mU9D3zbT0ixEYwMgf/W7ic1KSVz9TnkZe6eTpP77dNrLPsi3TtiwGM8Z5K27zvQnDzMPsPyzYU1wiXGSX33lYcYZRseKT8= 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=hfl1BcPo; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=NC4Dc6ar; 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="hfl1BcPo"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="NC4Dc6ar" Date: Thu, 10 Oct 2024 14:21:11 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1728562873; 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=3kZuBpACaIGf6sO1p3qo3UuoGLZQPpP9DFEKWVKFprY=; b=hfl1BcPolanyamFJPfmUedMfaXGy/TqA2beboaqyBseEtudxma+nu1+qeKcnXcDKpJH2fY Z0CUwGdh/J41idsFvJsNTwZc+pHsKxqdN2I+32rBdyD/ObPbRPnHPBdQeST0nLQ5XFmwkl t7oouocZqzAMizi+sF5fzDnUzcAshwKSZNvNhC/IkNiMmtRHCcTudi6oKy8ndo+7g/vzmY LIqa053QkFfZ+Dd1i+jzXmCkP+96emkbHjlDSrz2a3pfXB2x1nzhICtYTmaPnNXI29Dt8j lhgJvyxMLLCaefphiSWPAQixpg+v8kqAGI/Va7fRXHy4gdT8zaq9Jxx9lap+bA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1728562873; 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=3kZuBpACaIGf6sO1p3qo3UuoGLZQPpP9DFEKWVKFprY=; b=NC4Dc6arP8x72ULzTxCnxc0QBApm3EMZxBsEKzG+RG7zCUeO7vgmxam3df2imfdLSBP1jX LoyG9j3vP/zorzCg== From: Sebastian Andrzej Siewior To: Palmer Dabbelt Cc: namcao@linutronix.de, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, x86@kernel.org, hpa@zytor.com, aou@eecs.berkeley.edu, bp@alien8.de, Catalin Marinas , williams@redhat.com, dave.hansen@linux.intel.com, mingo@redhat.com, john.ogness@linutronix.de, Paul Walmsley , pmladek@suse.com, senozhatsky@chromium.org, rostedt@goodmis.org, Will Deacon Subject: Re: [PATCH 3/3] riscv: Allow to enable PREEMPT_RT. Message-ID: <20241010122111.BKz_RSCv@linutronix.de> References: Precedence: bulk X-Mailing-List: linux-kernel@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: On 2024-10-09 09:44:59 [-0700], Palmer Dabbelt wrote: > > and it breaks my boot test script. Looks like it's actually working mostly > fine, I'm just not getting the "reboot: System halted" message that I'm > checking for to make sure the system actually went down cleanly. > > I'm not sure if this is expected behavior in RT land, or if we've got some > sort of bug. It sort of smells like we're losing the last printk() line... Is it just defconfig + kvm_guest.config + PREEMPT_RT on "-cpu rv64 -machine virt" or is there more to it? Sebastian