From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m15.mail.163.com (m15.mail.163.com [45.254.50.219]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1E300D529; Tue, 30 Jul 2024 14:26:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.254.50.219 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722349601; cv=none; b=DoNZ2QCcKh9ok7VmLy5yPX33e47Lxz3o9GVNdSJ71SCa14C5eTDCNIgZ8pbrhcuUl7uR03WDegKSW9THBJSkGxy1GVCoXgNinBqPmA2LYz2OCjVGfY/Ush0ZqnGtVvSnbFMT02eJbQZ1PtBOgqfLPJhua+zBZ8FmULtQNGmw6K8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722349601; c=relaxed/simple; bh=Y/BTsUGgKf7Mhqj9uRQJvsNaHTykMcJX4jhdObr4Jqs=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=eD7+ZrOJEjnZTCZ34M7BzCbnUxGlFuCp/mLZDj2FRjzRJCr1SN1V2gCEpCu1M6sxgX3LToCdiiMyJLeMQsWCl9UrL4PyBU2bVlvUDbUEdsIp+8Y5xLNo6bFQx8qsBre4hpP0UvtP/nQdsqZ2KTFSDZ1qdro67XAwnPeXA3ftc+U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=Inq/kNh+; arc=none smtp.client-ip=45.254.50.219 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="Inq/kNh+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=+r1GO 9lXpfV8NuodAhuijwCksvgX5ChGFsu9hFSC2ao=; b=Inq/kNh+gvNjevg3x9EMA asfE24h/oSPcIjJG5ayH0+9j8czKKvaTZ7gvoxohVULdPME87rjGDf/6WPmSmELi fkRkrk1XIkXxPcBr1fqFDdLD9xFE80OS5xisVSXCb4Rea/rEKu4XMRZYf5m+O10H q+3eh0GdktEULtg0nEVXPw= Received: from localhost.localdomain (unknown [111.35.189.52]) by gzga-smtp-mta-g0-3 (Coremail) with SMTP id _____wDnN_j196hmrfcYFA--.59262S4; Tue, 30 Jul 2024 22:26:05 +0800 (CST) From: David Wang <00107082@163.com> To: liaoyu15@huawei.com Cc: linux-kernel@vger.kernel.org, linux-tip-commits@vger.kernel.org, stable@vger.kernel.org, tglx@linutronix.de, x86@kernel.org Subject: [Regression] 6.11.0-rc1: BUG: using smp_processor_id() in preemptible when suspend the system Date: Tue, 30 Jul 2024 22:25:57 +0800 Message-Id: <20240730142557.4619-1-00107082@163.com> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wDnN_j196hmrfcYFA--.59262S4 X-Coremail-Antispam: 1Uf129KBjvJXoWxCr1fZF4DKF4DCF4UGFy7Awb_yoW5WrW3pF n5tF1UCF4kJ34jy3WxJ3yjkryUCasrAF15WF97GrySgayUC3W8Xrs3Zr17Wrn5K340gw47 ZrWqyw4qvw4UtaUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07jrGYLUUUUU= X-CM-SenderInfo: qqqrilqqysqiywtou0bp/1tbiqQ4sqmVOB3V2uAAAs2 Hi, When I suspend my system, via `systemctl suspend`, kernel BUG shows up in log: kernel: [ 1734.412974] smpboot: CPU 2 is now offline kernel: [ 1734.414952] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-sleep/4619 kernel: [ 1734.414957] caller is hotplug_cpu__broadcast_tick_pull+0x1c/0xc0 kernel: [ 1734.414964] CPU: 0 UID: 0 PID: 4619 Comm: systemd-sleep Tainted: P OE 6.11.0-rc1-linan-4 #292 kernel: [ 1734.414968] Tainted: [P]=PROPRIETARY_MODULE, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE kernel: [ 1734.414969] Hardware name: Micro-Star International Co., Ltd. MS-7B89/B450M MORTAR MAX (MS-7B89), BIOS 2.80 06/10/2020 kernel: [ 1734.414970] Call Trace: kernel: [ 1734.414974] kernel: [ 1734.414978] dump_stack_lvl+0x60/0x80 kernel: [ 1734.414982] check_preemption_disabled+0xce/0xe0 kernel: [ 1734.414987] hotplug_cpu__broadcast_tick_pull+0x1c/0xc0 kernel: [ 1734.414992] ? __pfx_takedown_cpu+0x10/0x10 kernel: [ 1734.414996] takedown_cpu+0x97/0x130 kernel: [ 1734.414999] cpuhp_invoke_callback+0xf8/0x450 kernel: [ 1734.415004] __cpuhp_invoke_callback_range+0x78/0xe0 kernel: [ 1734.415008] _cpu_down+0xf4/0x360 kernel: [ 1734.415012] freeze_secondary_cpus+0xae/0x290 kernel: [ 1734.415016] suspend_devices_and_enter+0x1da/0x920 kernel: [ 1734.415022] pm_suspend+0x1fa/0x500 kernel: [ 1734.415025] state_store+0x68/0xd0 kernel: [ 1734.415028] kernfs_fop_write_iter+0x169/0x1f0 kernel: [ 1734.415034] vfs_write+0x269/0x440 kernel: [ 1734.415041] ksys_write+0x63/0xe0 kernel: [ 1734.415044] do_syscall_64+0x4b/0x110 kernel: [ 1734.415048] entry_SYSCALL_64_after_hwframe+0x76/0x7e kernel: [ 1734.415052] RIP: 0033:0x7fe885cee240 kernel: [ 1734.415055] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 kernel: [ 1734.415057] RSP: 002b:00007ffc53ccec58 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 kernel: [ 1734.415060] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe885cee240 kernel: [ 1734.415062] RDX: 0000000000000004 RSI: 00007ffc53cced40 RDI: 0000000000000004 kernel: [ 1734.415063] RBP: 00007ffc53cced40 R08: 0000000000000007 R09: 000055f34dde8210 kernel: [ 1734.415064] R10: 6bccc22257390b18 R11: 0000000000000202 R12: 0000000000000004 kernel: [ 1734.415066] R13: 000055f34dde42d0 R14: 0000000000000004 R15: 00007fe885dc49e0 kernel: [ 1734.415071] I confirmed that this was introduced by commit: f7d43dd206e7e18c182f200e67a8db8c209907fa tick/broadcast: Make takeover of broadcast hrtimer reliable , and revert this commit can fix it. Thanks David