From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C00EC25B06 for ; Fri, 12 Aug 2022 00:24:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231352AbiHLAYb (ORCPT ); Thu, 11 Aug 2022 20:24:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229833AbiHLAYa (ORCPT ); Thu, 11 Aug 2022 20:24:30 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD22FA060C for ; Thu, 11 Aug 2022 17:24:29 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 78C94615B5 for ; Fri, 12 Aug 2022 00:24:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6A572C433C1; Fri, 12 Aug 2022 00:24:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1660263868; bh=jSbBZ0Um3c6l5fVvZPYJM7WFVQuWDzh3Hm8gumiscxQ=; h=Date:From:To:Cc:Subject:From; b=uBXZllIRbJGF1y7H/1xVyTdaDaeS8TU9muHOfVqcTS+NQNDXP8NkILGWPOpuwmKzl /nT/cpaetvCbpbztlHdtYlfi8RneNemkUXB8R34wrekq29y4Bv1FRIxhcTuI9J5jG5 b1xAMrJqLMBRcsjiAxXZPApqTsp6auwNwCy6QLgbx+PzGs5TQ8Dw0Ab/zAUKge9nnf RpHwUJCGRgyezZCTjkDOpAUoBNbkOsnd8Sxfjp2f8g7wpbE/tZwXJZbclpuA8JmfLV aEmjeJX8dyLOrQATcSsUgG8bG88H6aYzUzpCpTGmi+FUdCum625Md0Umnkcf92eJjc 8CDasrstQfNBw== Date: Thu, 11 Aug 2022 17:24:26 -0700 From: Nathan Chancellor To: Greg Kroah-Hartman , Sasha Levin , Palmer Dabbelt Cc: Dimitri John Ledkov , Anup Patel , stable@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Apply f2928e224d85e7cc139009ab17cefdfec2df5d11 to 5.15 and 5.10? Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi all, Would it be reasonable to apply commit f2928e224d85 ("riscv: set default pm_power_off to NULL") to 5.10 and 5.15? I see the following issue when testing OpenSUSE's RISC-V configuration in QEMU and it is resolved with that change. Requesting system poweroff [ 4.497128][ T177] reboot: Power down [ 32.045207][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [init:177] [ 32.045785][ C0] Modules linked in: [ 32.046166][ C0] CPU: 0 PID: 177 Comm: init Not tainted 5.15.60-default #1 5b276f06901b1c37142db73337a1816290810c90 [ 32.046814][ C0] Hardware name: riscv-virtio,qemu (DT) [ 32.047256][ C0] epc : default_power_off+0x1a/0x20 [ 32.047667][ C0] ra : machine_power_off+0x22/0x2a [ 32.047979][ C0] epc : ffffffff80004a4a ra : ffffffff80004abe sp : ffffffd000bc3d50 [ 32.048405][ C0] gp : ffffffff81bec160 tp : ffffffe002080000 t0 : ffffffff80490964 [ 32.048827][ C0] t1 : 0720072007200720 t2 : 50203a746f6f6265 s0 : ffffffd000bc3d60 [ 32.049245][ C0] s1 : 000000004321fedc a0 : 0000000000000004 a1 : ffffffff81b073c8 [ 32.049676][ C0] a2 : 0000000000000010 a3 : 00000000000000ab a4 : e0b1d187e51c7400 [ 32.050115][ C0] a5 : ffffffff80004a30 a6 : c0000000ffffdfff a7 : ffffffff804ea464 [ 32.050555][ C0] s2 : 0000000000000000 s3 : ffffffff81a20390 s4 : fffffffffee1dead [ 32.051009][ C0] s5 : ffffffff81bee0c8 s6 : 0000003feff55a70 s7 : 0000002acc09bf08 [ 32.051427][ C0] s8 : 0000000000000001 s9 : 0000000000000000 s10: 0000002b0a4db6e0 [ 32.051849][ C0] s11: 0000000000000000 t3 : ffffffe001e2bf00 t4 : ffffffe001e2bf00 [ 32.052274][ C0] t5 : ffffffe001e2b000 t6 : ffffffd000bc3ac8 [ 32.052604][ C0] status: 0000000000000120 badaddr: 0000000000000000 cause: 8000000000000005 qemu-system-riscv64: terminating on signal 15 from pid 2356237 (timeout) I am not sure if there is any regression potential with that change, hence this email. That change applies cleanly to both trees and I don't see any additional problems from it. Cheers, Nathan