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 A849CC4167B for ; Tue, 31 Oct 2023 22:26:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346570AbjJaW03 (ORCPT ); Tue, 31 Oct 2023 18:26:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344905AbjJaW01 (ORCPT ); Tue, 31 Oct 2023 18:26:27 -0400 X-Greylist: delayed 491 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Tue, 31 Oct 2023 15:26:24 PDT Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.183]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06183101 for ; Tue, 31 Oct 2023 15:26:23 -0700 (PDT) Received: from dispatch1-us1.ppe-hosted.com (ip6-localhost [127.0.0.1]) by dispatch1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id B84FE3006C4 for ; Tue, 31 Oct 2023 22:18:12 +0000 (UTC) X-Virus-Scanned: Proofpoint Essentials engine Received: from mail3.candelatech.com (mail2.candelatech.com [208.74.158.173]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 756BF8006A for ; Tue, 31 Oct 2023 22:18:10 +0000 (UTC) Received: from [192.168.100.159] (50-251-239-81-static.hfc.comcastbusiness.net [50.251.239.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail3.candelatech.com (Postfix) with ESMTPSA id ECAA713C2B0 for ; Tue, 31 Oct 2023 15:18:09 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com ECAA713C2B0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1698790690; bh=MCx8uNDeBS3ISkNQCVyt9JoQgSCBguHd4uGmTGYR9uA=; h=Date:To:From:Subject:From; b=rTSJCAYU1UfYDNa8LlUaAQFjDLSkJfqfAmTP2zmp9M2UarfBBqDslvFO+o2cVhcW8 10NyOwdZ195lDU8mEZjUNB9zclO0tyBrAVXpKFVBk4ZRlRI3J3oJleb7z5GRTjgJtT joOHhojWRFoSAwLIBvKjdy0QDU8WtG4gAdCh3Vyg= Message-ID: Date: Tue, 31 Oct 2023 15:18:09 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Content-Language: en-US To: LKML From: Ben Greear Subject: wireless-next tree: ODEBUG: free active, object type timer_list Organization: Candela Technologies Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-MDID: 1698790691-t42gQzffXN_O X-MDID-O: us5;at1;1698790691;t42gQzffXN_O;;c71d53d8b4bf163c84f4470b0e4d7294 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, In an attempt to debug various crashes I've been seeing while testing on wireless-next (based on 6.6.0-rc5, plus hacks), I enabled all of the useful looking debug options that I could find. While looking through logs, I see this below. Any idea on how to debug this further? It looks like just generic code to me... 16876 Oct 31 15:05:08 ct523c-2103 kernel: ODEBUG: free active (active state 0) object: ffff888158c465a0 object type: timer_list hint: kobject_delayed_cleanup+0x0/0x140 16877 Oct 31 15:05:08 ct523c-2103 kernel: WARNING: CPU: 5 PID: 80 at lib/debugobjects.c:514 debug_print_object+0xdf/0x110 16878 Oct 31 15:05:08 ct523c-2103 kernel: Modules linked in: vrf nf_conntrack_netlink nfnetlink iptable_nat(-) nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 bpfilter 8021q garp mrp stp llc macvlan pktgen rpcrdma rdma_cm iw_cm ib_cm ib_core qrtr f71882fg snd_hda_codec_hdmi snd_hda_codec_realtek intel_rapl_msr snd_hda_codec_generic ledtrig_audio iTCO_wdt intel_pmc_bxt ee1004 iTCO_vendor_support coretemp intel_rapl_common snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp snd_hda_core snd_hwdep snd_seq snd_seq_device kvm_intel snd_pcm kvm intel_wmi_thunderbolt irqbypass snd_timer snd pcspkr i2c_i801 soundcore iwlmvm i2c_smbus mac80211 iwlwifi cfg80211 bfq mei_hdcp mei_pxp intel_pch_thermal tpm_crb tpm_tis tpm_tis_core tpm acpi_pad sch_fq_codel nfsd auth_rpcgss nfs_acl lockd grace fuse sunrpc zram raid1 dm_raid raid456 libcrc32c async_raid6_recov async_memcpy async_pq async_xor xor async_tx raid6_pq i915 drm_buddy intel_gtt drm_display_helper drm_kms_helper cec rc_core ttm igb i2c_algo_bit drm 16879 Oct 31 15:05:08 ct523c-2103 kernel: agpgart mei_wdt xhci_pci ixgbe mdio xhci_pci_renesas dca i2c_core hwmon video wmi [last unloaded: iptable_nat] 16880 Oct 31 15:05:08 ct523c-2103 kernel: CPU: 5 PID: 80 Comm: kworker/5:1 Tainted: G W 6.6.0-rc5+ #8 16881 Oct 31 15:05:08 ct523c-2103 kernel: Hardware name: Default string Default string/SKYBAY, BIOS 5.12 02/21/2023 16882 Oct 31 15:05:08 ct523c-2103 kernel: Workqueue: events kobject_delayed_cleanup 16883 Oct 31 15:05:08 ct523c-2103 kernel: RIP: 0010:debug_print_object+0xdf/0x110 16884 Oct 31 15:05:08 ct523c-2103 kernel: Code: a0 ab c4 82 e8 b2 6d b7 ff 4d 89 f9 4d 89 f0 89 e9 41 55 48 8b 14 dd a0 ab c4 82 4c 89 e6 48 c7 c7 00 9f c4 82 e8 21 0b 75 ff <0f> 0b 58 5b 83 05 82 8d 49 02 01 5d 41 5c 41 5d 41 5e 41 5f c3 c3 16885 Oct 31 15:05:08 ct523c-2103 kernel: RSP: 0000:ffff8881131f7bf0 EFLAGS: 00010286 16886 Oct 31 15:05:08 ct523c-2103 kernel: RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff81343598 16887 Oct 31 15:05:08 ct523c-2103 kernel: RDX: 1ffff110838158a4 RSI: 0000000000000008 RDI: ffff88841c0ac520 16888 Oct 31 15:05:08 ct523c-2103 kernel: RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed102263ef43 16889 Oct 31 15:05:08 ct523c-2103 kernel: R10: ffff8881131f7a1f R11: 00000000000fa8d0 R12: ffffffff82c4a560 16890 Oct 31 15:05:08 ct523c-2103 kernel: R13: ffffffff82696e20 R14: ffff888158c465a0 R15: ffffffff82ac32a0 16891 Oct 31 15:05:08 ct523c-2103 kernel: FS: 0000000000000000(0000) GS:ffff88841c080000(0000) knlGS:0000000000000000 16892 Oct 31 15:05:08 ct523c-2103 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 16893 Oct 31 15:05:08 ct523c-2103 kernel: CR2: 00007fe266cb2000 CR3: 0000000003696004 CR4: 00000000003706e0 16894 Oct 31 15:05:08 ct523c-2103 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 16895 Oct 31 15:05:08 ct523c-2103 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 16896 Oct 31 15:05:08 ct523c-2103 kernel: Call Trace: 16897 Oct 31 15:05:08 ct523c-2103 kernel: 16898 Oct 31 15:05:08 ct523c-2103 kernel: ? __warn+0x9c/0x1f0 16899 Oct 31 15:05:08 ct523c-2103 kernel: ? debug_print_object+0xdf/0x110 16900 Oct 31 15:05:08 ct523c-2103 kernel: ? report_bug+0x1aa/0x1e0 16901 Oct 31 15:05:08 ct523c-2103 kernel: ? handle_bug+0x41/0x80 16902 Oct 31 15:05:08 ct523c-2103 kernel: ? exc_invalid_op+0x13/0x40 16903 Oct 31 15:05:08 ct523c-2103 kernel: ? asm_exc_invalid_op+0x16/0x20 16904 Oct 31 15:05:08 ct523c-2103 kernel: ? __kobject_del+0xc0/0xc0 16905 Oct 31 15:05:08 ct523c-2103 kernel: ? tick_nohz_tick_stopped+0x18/0x30 16906 Oct 31 15:05:08 ct523c-2103 kernel: ? debug_print_object+0xdf/0x110 16907 Oct 31 15:05:08 ct523c-2103 kernel: ? __kobject_del+0xc0/0xc0 16908 Oct 31 15:05:08 ct523c-2103 kernel: debug_check_no_obj_freed+0x261/0x2b0 16909 Oct 31 15:05:08 ct523c-2103 kernel: __kmem_cache_free+0x185/0x200 16910 Oct 31 15:05:08 ct523c-2103 kernel: ? device_release+0x57/0x100 16911 Oct 31 15:05:08 ct523c-2103 kernel: device_release+0x57/0x100 16912 Oct 31 15:05:08 ct523c-2103 kernel: kobject_delayed_cleanup+0xdf/0x140 16913 Oct 31 15:05:08 ct523c-2103 kernel: process_one_work+0x475/0x920 16914 Oct 31 15:05:08 ct523c-2103 kernel: ? kick_pool+0x1b0/0x1b0 16915 Oct 31 15:05:08 ct523c-2103 kernel: ? __list_add_valid_or_report+0x33/0xd0 16916 Oct 31 15:05:08 ct523c-2103 kernel: worker_thread+0x38a/0x680 16917 Oct 31 15:05:08 ct523c-2103 kernel: ? __kthread_parkme+0xc9/0xe0 16918 Oct 31 15:05:08 ct523c-2103 kernel: ? create_worker+0x380/0x380 16919 Oct 31 15:05:08 ct523c-2103 kernel: kthread+0x199/0x1e0 16920 Oct 31 15:05:08 ct523c-2103 kernel: ? kthread+0xed/0x1e0 16921 Oct 31 15:05:08 ct523c-2103 kernel: ? kthread_complete_and_exit+0x20/0x20 16922 Oct 31 15:05:08 ct523c-2103 kernel: ret_from_fork+0x28/0x50 16923 Oct 31 15:05:08 ct523c-2103 kernel: ? kthread_complete_and_exit+0x20/0x20 16924 Oct 31 15:05:08 ct523c-2103 kernel: ret_from_fork_asm+0x11/0x20 16925 Oct 31 15:05:08 ct523c-2103 kernel: 16926 Oct 31 15:05:08 ct523c-2103 kernel: irq event stamp: 33601 16927 Oct 31 15:05:08 ct523c-2103 kernel: hardirqs last enabled at (33607): [] console_unlock+0x15d/0x170 16928 Oct 31 15:05:08 ct523c-2103 kernel: hardirqs last disabled at (33612): [] console_unlock+0x142/0x170 16929 Oct 31 15:05:08 ct523c-2103 kernel: softirqs last enabled at (33112): [] __irq_exit_rcu+0x81/0xa0 16930 Oct 31 15:05:08 ct523c-2103 kernel: softirqs last disabled at (33107): [] __irq_exit_rcu+0x81/0xa0 16931 Oct 31 15:05:08 ct523c-2103 kernel: ---[ end trace 0000000000000000 ]--- 16932 Oct 31 15:05:08 ct523c-2103 kernel: kobject: 'pps2': free name Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com