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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B74BAC636CA for ; Sun, 18 Jul 2021 21:04:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9C51D60FF3 for ; Sun, 18 Jul 2021 21:04:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233033AbhGRVHK (ORCPT ); Sun, 18 Jul 2021 17:07:10 -0400 Received: from vulcan.natalenko.name ([104.207.131.136]:55592 "EHLO vulcan.natalenko.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232582AbhGRVHI (ORCPT ); Sun, 18 Jul 2021 17:07:08 -0400 Received: from spock.localnet (unknown [151.237.229.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by vulcan.natalenko.name (Postfix) with ESMTPSA id 9B5CEB3DDCC; Sun, 18 Jul 2021 23:04:09 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=natalenko.name; s=dkim-20170712; t=1626642249; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=X9SBJQp9v99Nz1cqI8XQ9MdszYHfx7n6co/WyoJc+JA=; b=G++7nIjS025AUyXyf++3lrpb99+IKJkNMHuNCqnadzhQWy0Z+RovWPk1XtYUa4P0+xViHp olXHA+PegNLgRsjZL+CKSzDk79At8Vb++OFGTP6EyHjSQWaDheE0rcMMbSC3EiUXaT8vxi yc8/NDUQh6JqYeg/4JKxishIXfZA8Gc= From: Oleksandr Natalenko To: linux-kernel@vger.kernel.org Cc: Chris Rankin Subject: Re: WARN with 5.12.17 Date: Sun, 18 Jul 2021 23:04:07 +0200 Message-ID: <14659399.kGUakuKLT2@natalenko.name> In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello. On sobota 17. =C4=8Dervence 2021 13:28:53 CEST Chris Rankin wrote: > I have noticed this WARNING when running 5.12.17. Rebuilding the > entire kernel after a "make clean" has not helped. >=20 > Cheers, > Chris >=20 > [ 138.553764] ------------[ cut here ]------------ > [ 138.553776] WARNING: CPU: 0 PID: 2311 at > kernel/rcu/tree_plugin.h:297 rcu_note_context_switch+0x2f/0x2b1 > [ 138.553799] Modules linked in: uinput hdaps ip6t_REJECT > nf_reject_ipv6 ip6table_filter ip6_tables xt_state xt_conntrack > nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c xt_tcpudp > ipt_REJECT nf_reject_ipv4 iptable_filter sunrpc coretemp ppdev > kvm_intel kvm irqbypass snd_seq_dummy snd_seq_oss snd_emu10k1_synth > snd_emux_synth iwl3945 joydev evdev snd_seq_midi_emul i2c_i801 > snd_seq_virmidi iwlegacy pcspkr i2c_smbus snd_seq_midi > snd_seq_midi_event mac80211 cfg80211 snd_hda_codec_hdmi > snd_hda_codec_analog snd_hda_codec_generic snd_emu10k1 snd_hda_intel > snd_intel_dspcfg snd_util_mem libarc4 snd_hda_codec snd_ac97_codec > ac97_bus snd_rawmidi snd_hda_core thinkpad_acpi snd_seq snd_hwdep > snd_seq_device snd_pcm nvram ledtrig_audio snd_hrtimer > platform_profile snd_timer rfkill tiny_power_button parport_pc ac > battery snd parport video acpi_cpufreq soundcore button sch_fq_codel > binfmt_misc fuse ip_tables x_tables usbhid ext4 crc32c_generic crc16 > mbcache jbd2 usb_storage sd_mod sr_mod cdrom > [ 138.554028] pata_acpi radeon i2c_algo_bit drm_ttm_helper ttm > pcmcia drm_kms_helper ata_piix ahci libahci syscopyarea sysfillrect > sysimgblt fb_sys_fops cec libata rc_core drm serio_raw scsi_mod > uhci_hcd e1000e yenta_socket pcmcia_rsrc pcmcia_core ptp ehci_pci > ehci_hcd drm_panel_orientation_quirks pps_core 8250 8250_base > serial_mctrl_gpio serial_core msr sha256_generic sha1_generic ipv6 > crc_ccitt > [ 138.554135] CPU: 0 PID: 2311 Comm: gdbus Not tainted 5.12.17 #2 > [ 138.554143] Hardware name: LENOVO 8742C4G/8742C4G, BIOS 7IET38WW > (1.19 ) 03/22/2011 > [ 138.554149] RIP: 0010:rcu_note_context_switch+0x2f/0x2b1 > [ 138.554160] Code: 2c 25 00 6d 01 00 41 54 49 c7 c4 80 24 02 00 55 > 53 89 fb 65 4c 03 25 fe d1 f7 7e 40 84 ff 75 0c 41 83 bd 1c 03 00 00 > 00 7e 02 <0f> 0b 65 48 8b 04 25 00 6d 01 00 83 b8 1c 03 00 00 00 0f 8e > 28 02 > [ 138.554167] RSP: 0000:ffffc900028efc80 EFLAGS: 00010002 > [ 138.554176] RAX: 0000000000000000 RBX: 0000000000000000 RCX: > 0000000000000102 [ 138.554181] RDX: 0000000081c09214 RSI: ffffea0000fa65= c0 > RDI: 0000000000000000 [ 138.554188] RBP: ffffc900028efce0 R08: > 0000000000000000 R09: ffffea0000fa65c0 [ 138.554194] R10: ffffc900028efc= 68 > R11: 0000000000000003 R12: ffff88807dc22480 [ 138.554199] R13: > ffff888056416a00 R14: 0000000000000000 R15: 0000000000000000 [ 138.55420= 5] > FS: 00007f94411ab640(0000) GS:ffff88807dc00000(0000) > knlGS:0000000000000000 > [ 138.554213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 138.554219] CR2: 00007f9453ea6f78 CR3: 000000005489e000 CR4: > 00000000000006f0 [ 138.554225] Call Trace: > [ 138.554236] __schedule+0x5e/0x4df > [ 138.554250] schedule+0x88/0xb5 > [ 138.554258] io_schedule+0xd/0x2f > [ 138.554266] wait_on_page_bit_common+0x1b6/0x249 > [ 138.554277] ? filemap_get_read_batch+0x133/0x133 > [ 138.554286] __lock_page_or_retry+0x38/0x79 > [ 138.554295] do_swap_page+0x230/0x4c4 > [ 138.554306] __handle_mm_fault+0x40b/0xa30 > [ 138.554317] handle_mm_fault+0x11e/0x1ea > [ 138.554327] exc_page_fault+0x2bd/0x4cc > [ 138.554335] ? asm_exc_page_fault+0x8/0x30 > [ 138.554344] asm_exc_page_fault+0x1e/0x30 > [ 138.554351] RIP: 0033:0x7f9452a9ea17 > [ 138.554359] Code: 89 c2 48 3d 00 f0 ff ff 77 d0 48 83 c4 08 5d 41 > 5c c3 90 f3 0f 1e fa 41 54 49 89 f4 55 89 fd 48 83 ec 08 48 8b 05 29 > b4 0f 00 <48> 8b 80 b8 02 00 00 48 85 c0 74 2d ff d0 48 63 d0 48 81 fa > 00 f0 > [ 138.554367] RSP: 002b:00007f94411aa970 EFLAGS: 00010202 > [ 138.554374] RAX: 00007f9453ea6cc0 RBX: 0000000000000000 RCX: > 00007f94411aa9c0 [ 138.554380] RDX: 00007f94411aa9c8 RSI: 00007f94411aa9= d0 > RDI: 0000000000000001 [ 138.554386] RBP: 0000000000000001 R08: > 00007f94411aa9d0 R09: 0000000000000002 [ 138.554392] R10: 00000000000000= 20 > R11: 0000000000000293 R12: 00007f94411aa9d0 [ 138.554397] R13: > 00007f9453c18b60 R14: 00007f9434001410 R15: 000055b519b81690 [ 138.55440= 7] > ---[ end trace 16c264fd475c3beb ]--- There's another report against v5.13.2 [2], I've Cc'ed you there. Let's=20 discuss this matter in that thread. Thanks. =2D-=20 Oleksandr Natalenko (post-factum)