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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A95C4E63FFF for ; Sat, 4 Apr 2026 22:42:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To:MIME-Version: Message-ID:Subject:To:From:Date:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2x4YoPDPEvCPbHf1v7g84AZ1ej6BhyIDLFjc5OI/VB8=; b=Tw0Amf+QT5jbYE jBvDr9Lz44PCZ3mcucDdI0oEKRUZ0+USW+IKcFl1OZKwnyC7XKJ2WrCtBKRc05Tsnu1dhJnCBGY3z oXk4mXdyuYAaUIK0R2SC04MIQsiVsuR5UpG7L4t101idTVoB+fWBeZjvlkHIXeChy8J0gWZigHsWH r0bxZmpZP1h/g2mY5x/i6THAETZT+xEMAT1L+tefDKWq23EH/yfGGKELEUfEV8CKE/1NqfA5i77lu LMwe14BpvfPE3NdPjefgnzmbkITvl6gKp0vReqKG/zTo/l3amy88+b1Pjrw0NVAFIJjgCa4+HDU6a oXZ0J2Npp1kXkaiujSiA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w99hH-00000003nUq-1f9p; Sat, 04 Apr 2026 22:42:31 +0000 Received: from mail-pj1-x102a.google.com ([2607:f8b0:4864:20::102a]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w99hE-00000003nU7-0N0V for linux-rockchip@lists.infradead.org; Sat, 04 Apr 2026 22:42:29 +0000 Received: by mail-pj1-x102a.google.com with SMTP id 98e67ed59e1d1-35d971fb6f1so2541311a91.0 for ; Sat, 04 Apr 2026 15:42:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=orb-net.20251104.gappssmtp.com; s=20251104; t=1775342546; x=1775947346; darn=lists.infradead.org; h=references:in-reply-to:content-disposition:mime-version:message-id :subject:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=7ZcFkwtelNvbHrpmOVful4dZyoIYvTSSe4AGBuE0+FU=; b=wpFTq+P1jBlWp8RLJkHXUrB6woqGNvL5dmmbwFr72BOhOJQTqQx1w/sZfnxr4KLFr2 u7GoSl6cxC84XzfpHNdz/Dx0ujhx6rj+vZDcfDg/pZ5w2bnKJBPjGlTWHo8YhdlnFVma ryPt8SOBxIi4JFwO1vDbR+QA7MT1xlNouCfdRJy95EcrwIdpi0JH+Bg0mJkmUt46LD4f IZM34AvcHWemZ/Hnu3vvagXEw3Yx2VN6O+BrjQdbbbEsznaX2C+LeYmavqD9WjfnRjmK 9TksY/q1N3u12DCpdUEHdTnf1HKzz3t3WGTonJ6PIHhDGq/vvvVS4sXb1pkvPUuTRyxu hWwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775342546; x=1775947346; h=references:in-reply-to:content-disposition:mime-version:message-id :subject:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=7ZcFkwtelNvbHrpmOVful4dZyoIYvTSSe4AGBuE0+FU=; b=VksLgkM4m8IKkv2TUp+QIzEdcqaPaxugaOl33r2IR0aCefJmxIszFrWOHjB0lxMQM7 0WMw2C1E1mEkS2hm3t+Aq2kYuoi/RTY66QLy+GkyWbMTFS3DuooEu4LeO5md87jhKQPv YGamYJ6bAjDja8bzf50qWkBv+JLquwMUjPiDqFQs5jZRrGHfQnzwBlABh84Dh3Xh3yRU 5StKK98ZvU6Q8Veb5Natc1eNdDJYaQVzLmO3iqxSlzHEB2mwiLqrzEdeZ+MmpDTbXhMq UQBU6M3T1sEHCYA2DhTMsDCfaeBdKU3pz702vBde4NC5WiTem9TH/2jTQKKuUraRGove yJpw== X-Forwarded-Encrypted: i=1; AJvYcCXiXLetgN1xa3s3ms/NfcaNAGJg8RXaHcMu2hNw+4QGi6XrhrHkgGEZdYAVANI0gQLQ4Lx+ndidsFL1Ad75VQ==@lists.infradead.org X-Gm-Message-State: AOJu0YzEwqUML1IV40b3RiLOQnmqkCJqOV6v3xgGl0xqMmRxGYXZmvG9 E89MxeXCPyet5F1FE4ZRdKbF69iETCjhu+Hcl60VRPRVOmehUNB+AEZreYoXc2iPN4U= X-Gm-Gg: AeBDievUyAT+BsusB8O9xFBhTVPAMlTIDETjY9SPodc+0lEi4vjpFaWzE81H9y6/zJy 67x6XpyRdOvANpygasaxPItr+87nHCpd4IUEd8Az5TE7PLOZk4lprRYUAfpxtV8YOkbWx44x8D2 L3eghQerPod1tiXmDTN+EFugXytUyhsrI4vxC5dggOuURz1Iczf8k31Xf/wOjbYfL9WSixuwjHP J7gr+CmwxKQeMlibiH977Saxvvs2L0iJKnBdCaDVs3CecsbtkxkpndWf7Bmy/Ap7Y7BjWg0SvBk ysikuFDqAl4vZbIvklVoegbHw6e3Ubdh/3vlO0r1WQLRKSdJwi9lzsc9k85ISIBMv90P3rxJPPO qEBkfLNExMCTjrQwF90zDo2uBvMgyWHUM/4wCRmOA49SVw2/Yxhh7BtLZrC3UinTkM6Km55317I TDmaemwkCEvdb3Vi9xaH6ogdmZuunkBilBHtTV8EfcGWsBsy+FsKMVQ+G+1oMMn2O5cfryEexw X-Received: by 2002:a17:90b:2d10:b0:35d:a9bb:1e33 with SMTP id 98e67ed59e1d1-35de685ecf3mr7280003a91.11.1775342546534; Sat, 04 Apr 2026 15:42:26 -0700 (PDT) Received: from claude-dev ([50.125.94.20]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35dd367c142sm9424108a91.11.2026.04.04.15.42.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 Apr 2026 15:42:26 -0700 (PDT) Date: Sat, 4 Apr 2026 22:42:25 +0000 From: Daniel Bozeman To: shawn.lin@rock-chips.com, finley.xiao@rock-chips.com, jonas@kwiboo.se, ulf.hansson@linaro.org, heiko@sntech.de, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] pmdomain/rockchip: skip QoS operations for idle-only domains Message-ID: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: References: <20260331180223.1682283-1-daniel@orb.net> <5c8732a3-6cc9-5d02-f56b-fc7ba29c7ce0@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260404_154228_384139_5B44E85D X-CRM114-Status: UNSURE ( 7.29 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Further testing with NO kernel patches and fw_devlink=strict reveals both crashes happening simultaneously on different CPUs: CPU1 (genpd_power_off_work_fn): pc : regmap_mmio_read32le+0x8/0x20 Workqueue: pm genpd_power_off_work_fn CPU2 (deferred_probe_work_func): pc : clk_gate_endisable+0xa8/0x130 Workqueue: events_unbound deferred_probe_work_func Kernel panic - not syncing: Asynchronous SError Interrupt This shows there are perhaps two independent issues: 1. genpd tries to power off idle-only domains and crashes in rockchip_pmu_set_idle_request (the regmap read at PMU offset 0x1120 faults) 2. GPIO4 probes while PD_RKVENC is not registered (power domain controller tore down due to PD_GPU EPROBE_DEFER) and crashes in clk_gate_endisable Both crashes occur in the unpatched kernel. Previously we only observed crash #2 because it appeared first in serial output, but maybe they're racing on different CPUs? I also tested removing all pm_qos from all idle-only domains (PD_VO, PD_RKVENC, PD_VPU). Crash #1 still occurs. Because it is in rockchip_pmu_set_idle_request, not in QoS save/restore? fw_devlink=strict does not prevent either crash. _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip