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=-10.0 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 587ECC433E7 for ; Mon, 19 Oct 2020 18:49:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 009DB223C6 for ; Mon, 19 Oct 2020 18:49:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730809AbgJSStX (ORCPT ); Mon, 19 Oct 2020 14:49:23 -0400 Received: from static.214.254.202.116.clients.your-server.de ([116.202.254.214]:40878 "EHLO ciao.gmane.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727681AbgJSStX (ORCPT ); Mon, 19 Oct 2020 14:49:23 -0400 Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1kUaDf-0007Mb-O2 for linux-usb@vger.kernel.org; Mon, 19 Oct 2020 20:49:19 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: linux-usb@vger.kernel.org From: Ferry Toth Subject: Re: BUG with linux 5.9.0 with dwc3 in gadget mode Date: Mon, 19 Oct 2020 20:49:13 +0200 Message-ID: References: <913dccca-500d-1938-b199-6eb67cfb60cc@gmail.com> <87a6wig461.fsf@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 Cc: felipe.balbi-VuQAYsv1563Yd54FQh9/CA-XMD5yJDbdMReXY1tMh2IBg@public.gmane.org In-Reply-To: Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Op 19-10-2020 om 09:14 schreef Ferry Toth: > Op 19-10-2020 om 07:45 schreef Felipe Balbi: >> >> Hi Andy, >> >> Ferry Toth writes: >>> This occurs with edison-arduino board, that has a nifty switch allowing >>> to switch between gadget/host mode. In host mode it boot fine, then >>> crashes when I flip the switch to gadget. >>> >>> The below trace if what I get from the console when booting with gadget >>> mode selected. >>> >>> The last kernel is used where everything is obviously working fine is >>> 5.6.0. >>> >>> The kernel is built specifically for the platform, nothing suspcious >>> going on the the dwc3 area, see >>> https://github.com/edison-fw/linux/commits/eds-acpi-5.9.0 >>> >>> Magic signature found >>> >>> Starting kernel ... >>> >>> [    2.395631] Initramfs unpacking failed: invalid magic at start of >>> compressed archive >>> Scanning for Btrfs filesystems >>> Starting version 243.2+ >>> Kernel with acpi enabled detected >>> Loading acpi tables >>> Waiting for root device /dev/mmcblk0p8 >>>     10Found device '/run/media/mmcblk0p8' >>>     9Init found, booting... >>> [   10.834272] brcmfmac: brcmf_fw_alloc_request: using >>> brcm/brcmfmac43340-sdio for chip BCM43340/2 >>> [   11.179662] brcmfmac: brcmf_fw_alloc_request: using >>> brcm/brcmfmac43340-sdio for chip BCM43340/2 >>> [   11.194223] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available >>> (err=-2), device may have limited channels available >>> [   11.234779] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43340/2 >>> wl0: Oct 23 2017 08:41:23 version 6.10.190.70 (r674464) FWID 01-98d71006 >>> [   12.401620] BUG: unable to handle page fault for address: >>> 0000000100000000 >>> [   12.408496] #PF: supervisor instruction fetch in kernel mode >>> [   12.414145] #PF: error_code(0x0010) - not-present page >>> [   12.419276] PGD 0 P4D 0 >>> [   12.421817] Oops: 0010 [#1] SMP PTI >>> [   12.425307] CPU: 0 PID: 488 Comm: irq/15-dwc3 Not tainted >>> 5.9.0-edison-acpi-standard #1 >>> [   12.433297] Hardware name: Intel Corporation Merrifield/BODEGA BAY, >>> BIOS 542 2015.01.21:18.19.48 >>> [   12.442075] RIP: 0010:0x100000000 >>> [   12.445382] Code: Bad RIP value. >>> [   12.448605] RSP: 0000:ffff9a95403fbbf8 EFLAGS: 00010046 >>> [   12.453827] RAX: 0000000100000000 RBX: ffff8ee8bd32f828 RCX: >>> ffff8ee8bacc4000 >>> [   12.460950] RDX: 00000000ffffff94 RSI: ffff8ee8bc01a5a0 RDI: >>> ffff8ee887228700 >>> [   12.468075] RBP: ffff8ee8bc01a5a0 R08: 0000000000000046 R09: >>> 0000000000000238 >>> [   12.475199] R10: 0000000000000004 R11: ffff8ee8ba8ba248 R12: >>> ffff8ee887228700 >>> [   12.482322] R13: ffff8ee8bd32f828 R14: 0000000000000002 R15: >>> ffff8ee8bae93200 >>> [   12.489449] FS:  0000000000000000(0000) GS:ffff8ee8be200000(0000) >>> knlGS:0000000000000000 >>> [   12.497524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >>> [   12.503262] CR2: 0000000100000000 CR3: 000000003c5ae000 CR4: >>> 00000000001006f0 >>> [   12.510382] Call Trace: >>> [   12.512841]  ? dwc3_gadget_giveback+0xbf/0x120 >>> [   12.517286]  ? __dwc3_gadget_ep_disable+0xc5/0x250 >>> [   12.522077]  ? dwc3_gadget_ep_disable+0x3d/0xd0 >>> [   12.526608]  ? usb_ep_disable+0x1d/0x80 >>> [   12.530451]  ? u_audio_stop_capture+0x87/0x9a [u_audio] >>> [   12.535680]  ? afunc_set_alt+0x73/0x80 [usb_f_uac2] >>> [   12.540562]  ? composite_setup+0x20f/0x1b20 [libcomposite] >>> [   12.546053]  ? configfs_composite_setup+0x6b/0x90 [libcomposite] >>> [   12.552060]  ? configfs_composite_setup+0x6b/0x90 [libcomposite] >>> [   12.558062]  ? dwc3_ep0_delegate_req+0x24/0x40 >>> [   12.562502]  ? dwc3_ep0_interrupt+0x40a/0x9d8 >>> [   12.566858]  ? dwc3_thread_interrupt+0x880/0xf70 >>> [   12.571475]  ? __schedule+0x3ee/0x640 >>> [   12.575143]  ? irq_forced_thread_fn+0x70/0x70 >>> [   12.579497]  ? irq_thread_fn+0x1b/0x60 >>> [   12.583245]  ? irq_thread+0xd3/0x150 >>> [   12.586821]  ? wake_threads_waitq+0x30/0x30 >>> [   12.591001]  ? irq_thread_dtor+0x80/0x80 >>> [   12.594925]  ? kthread+0xf9/0x130 >>> [   12.598238]  ? kthread_park+0x80/0x80 >>> [   12.601901]  ? ret_from_fork+0x22/0x30 >>> [   12.605644] Modules linked in: spi_pxa2xx_platform dw_dmac usb_f_uac2 >>> u_audio usb_f_mass_storage usb_f_eem u_ether usb_f_serial u_serial >>> libcomposite pwm_lpss_pci snd_sof_pci snd_sof_intel_byt pwm_lpss >>> snd_sof_intel_ipc snd_sof_xtensa_dsp intel_mrfld_pwrbtn intel_mrfld_adc >>> snd_sof snd_sof_nocodec snd_soc_acpi spi_pxa2xx_pci brcmfmac brcmutil >>> leds_gpio hci_uart btbcm ti_ads7950 industrialio_triggered_buffer >>> kfifo_buf spidev ledtrig_heartbeat mmc_block extcon_intel_mrfld >>> sdhci_pci cqhci sdhci led_class mmc_core intel_soc_pmic_mrfld btrfs >>> libcrc32c xor zstd_compress zlib_deflate raid6_pq >>> [   12.657416] CR2: 0000000100000000 >>> [   12.660729] ---[ end trace 9b92dea6da33c71e ]--- >> >> It this something you can reproduce on your end? Ferry, can you get dwc3 >> trace logs when this happens? ftrace_dump_on_oops may help here. >> > I will do that tonight. Is flipping on ftrace_dump_on_oops sufficient or > do I need to do more? > > BTW after posting this I found in host mode dwc3 is not working properly > either. No oops, but no driver get loaded on device plug in. > Not sure if this is what you are looking for (otherwise let me know): root@edison:/proc/sys/kernel# echo 1 > ftrace_dump_on_oops ## flip the switch from host to gadget root@edison:/proc/sys/kernel# [ 515.866590] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 515.873553] #PF: supervisor read access in kernel mode [ 515.878682] #PF: error_code(0x0000) - not-present page [ 515.883814] PGD 0 P4D 0 [ 515.886352] Oops: 0000 [#1] SMP PTI [ 515.889844] CPU: 0 PID: 490 Comm: irq/15-dwc3 Not tainted 5.9.0-edison-acpi-standard #1 [ 515.897836] Hardware name: Intel Corporation Merrifield/BODEGA BAY, BIOS 542 2015.01.21:18.19.48 [ 515.906621] RIP: 0010:dwc3_gadget_ep_dequeue+0x41/0x1c0 [ 515.911842] Code: 0f 1f 44 00 00 4c 8d a3 30 01 00 00 4c 89 e7 e8 05 e6 42 00 49 8b 4e 48 49 89 c5 49 8d 46 48 48 8d 51 a0 48 39 c8 75 0f eb 2e <48> 8b 4a 60 48 8d 51 a0 48 39 c8 74 21 48 39 d5 75 ee 45 31 f6 4c [ 515.930581] RSP: 0018:ffff945f8044fc40 EFLAGS: 00010083 [ 515.935802] RAX: ffff8a347b2e3c48 RBX: ffff8a347d3af828 RCX: 0000000000000000 [ 515.942926] RDX: ffffffffffffffa0 RSI: ffff8a347dc4ed80 RDI: ffff8a347d3af958 [ 515.950049] RBP: ffff8a347dc4ed80 R08: ffff8a347b2e3c68 R09: 00000000dbfbb796 [ 515.957173] R10: ffff945f8044fd90 R11: ffff8a347d3afb00 R12: ffff8a347d3af958 [ 515.964297] R13: 0000000000000082 R14: ffff8a347b2e3c00 R15: ffff8a347b103600 [ 515.971423] FS: 0000000000000000(0000) GS:ffff8a347e200000(0000) knlGS:0000000000000000 [ 515.979503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 515.985240] CR2: 0000000000000000 CR3: 000000002f40a000 CR4: 00000000001006f0 [ 515.992362] Call Trace: [ 515.994823] usb_ep_dequeue+0x19/0x80 [ 515.998499] u_audio_stop_capture+0x54/0x9a [u_audio] [ 516.003554] afunc_set_alt+0x73/0x80 [usb_f_uac2] [ 516.008267] composite_setup+0x20f/0x1b20 [libcomposite] [ 516.013588] ? configfs_composite_setup+0x6b/0x90 [libcomposite] [ 516.019597] configfs_composite_setup+0x6b/0x90 [libcomposite] [ 516.025432] dwc3_ep0_delegate_req+0x24/0x40 [ 516.029703] dwc3_ep0_interrupt+0x40a/0x9d8 [ 516.033890] dwc3_thread_interrupt+0x880/0xf70 [ 516.038336] ? __schedule+0x3ee/0x640 [ 516.042002] ? irq_forced_thread_fn+0x70/0x70 [ 516.046356] irq_thread_fn+0x1b/0x60 [ 516.049934] irq_thread+0xd3/0x150 [ 516.053335] ? wake_threads_waitq+0x30/0x30 [ 516.057516] ? irq_thread_dtor+0x80/0x80 [ 516.061438] kthread+0xf9/0x130 [ 516.064579] ? kthread_park+0x80/0x80 [ 516.068241] ret_from_fork+0x22/0x30 [ 516.071814] Modules linked in: rfcomm iptable_nat bnep usb_f_uac2 u_audio usb_f_mass_storage spi_pxa2xx_platform dw_dmac usb_f_eem u_ether usb_f_serial u_serial libcomposite pwm_lpss_pci pwm_lpss snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc intel_mrfld_pwrbtn snd_sof_xtensa_dsp intel_mrfld_adc snd_sof snd_sof_nocodec snd_soc_acpi spi_pxa2xx_pci brcmfmac brcmutil leds_gpio ti_ads7950 hci_uart industrialio_triggered_buffer btbcm spidev kfifo_buf ledtrig_heartbeat mmc_block extcon_intel_mrfld sdhci_pci cqhci intel_soc_pmic_mrfld sdhci led_class mmc_core btrfs libcrc32c xor zstd_compress zlib_deflate raid6_pq [ 516.125674] Dumping ftrace buffer: [ 516.129074] (ftrace buffer empty) [ 516.132642] CR2: 0000000000000000 [ 516.135957] ---[ end trace 2386f834a3643685 ]--- [ 516.140574] RIP: 0010:dwc3_gadget_ep_dequeue+0x41/0x1c0 [ 516.145793] Code: 0f 1f 44 00 00 4c 8d a3 30 01 00 00 4c 89 e7 e8 05 e6 42 00 49 8b 4e 48 49 89 c5 49 8d 46 48 48 8d 51 a0 48 39 c8 75 0f eb 2e <48> 8b 4a 60 48 8d 51 a0 48 39 c8 74 21 48 39 d5 75 ee 45 31 f6 4c [ 516.164532] RSP: 0018:ffff945f8044fc40 EFLAGS: 00010083 [ 516.169749] RAX: ffff8a347b2e3c48 RBX: ffff8a347d3af828 RCX: 0000000000000000 [ 516.176873] RDX: ffffffffffffffa0 RSI: ffff8a347dc4ed80 RDI: ffff8a347d3af958 [ 516.183998] RBP: ffff8a347dc4ed80 R08: ffff8a347b2e3c68 R09: 00000000dbfbb796 [ 516.191121] R10: ffff945f8044fd90 R11: ffff8a347d3afb00 R12: ffff8a347d3af958 [ 516.198246] R13: 0000000000000082 R14: ffff8a347b2e3c00 R15: ffff8a347b103600 [ 516.205371] FS: 0000000000000000(0000) GS:ffff8a347e200000(0000) knlGS:0000000000000000 [ 516.213447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 516.219185] CR2: 0000000000000000 CR3: 000000002f40a000 CR4: 00000000001006f0 [ 516.226454] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 516.233414] #PF: supervisor instruction fetch in kernel mode [ 516.239063] #PF: error_code(0x0010) - not-present page [ 516.244190] PGD 0 P4D 0 [ 516.246729] Oops: 0010 [#2] SMP PTI [ 516.250221] CPU: 0 PID: 490 Comm: irq/15-dwc3 Tainted: G D 5.9.0-edison-acpi-standard #1 [ 516.259595] Hardware name: Intel Corporation Merrifield/BODEGA BAY, BIOS 542 2015.01.21:18.19.48 [ 516.268368] RIP: 0010:0x0 [ 516.270988] Code: Bad RIP value. [ 516.274212] RSP: 0018:ffff945f8044fec0 EFLAGS: 00010246 [ 516.279430] RAX: 0000000000000000 RBX: ffff8a347afa0cc0 RCX: 0000000000000000 [ 516.286555] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff945f8044fec8 [ 516.293679] RBP: ffff8a347afa0cc0 R08: 000000000000000f R09: ffffffffac26b701 [ 516.300802] R10: ffff8a347c965000 R11: 0000000000000001 R12: ffff8a347afa13fc [ 516.307925] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 516.315053] FS: 0000000000000000(0000) GS:ffff8a347e200000(0000) knlGS:0000000000000000 [ 516.323132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 516.328869] CR2: ffffffffffffffd6 CR3: 000000002f40a000 CR4: 00000000001006f0 [ 516.335991] Call Trace: [ 516.338443] task_work_run+0x5a/0x90 [ 516.342022] do_exit+0x358/0xab0 [ 516.345251] ? kthread+0xf9/0x130 [ 516.348566] rewind_stack_do_exit+0x17/0x20 [ 516.352742] RIP: 0000:0x0 [ 516.355361] Code: Bad RIP value. [ 516.358587] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 [ 516.366148] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 516.373273] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 516.380396] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 516.387519] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 516.394644] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 516.401769] Modules linked in: rfcomm iptable_nat bnep usb_f_uac2 u_audio usb_f_mass_storage spi_pxa2xx_platform dw_dmac usb_f_eem u_ether usb_f_serial u_serial libcomposite pwm_lpss_pci pwm_lpss snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc intel_mrfld_pwrbtn snd_sof_xtensa_dsp intel_mrfld_adc snd_sof snd_sof_nocodec snd_soc_acpi spi_pxa2xx_pci brcmfmac brcmutil leds_gpio ti_ads7950 hci_uart industrialio_triggered_buffer btbcm spidev kfifo_buf ledtrig_heartbeat mmc_block extcon_intel_mrfld sdhci_pci cqhci intel_soc_pmic_mrfld sdhci led_class mmc_core btrfs libcrc32c xor zstd_compress zlib_deflate raid6_pq [ 516.455620] Dumping ftrace buffer: [ 516.459018] (ftrace buffer empty) [ 516.462586] CR2: 0000000000000000 [ 516.465902] ---[ end trace 2386f834a3643686 ]--- [ 516.470520] RIP: 0010:dwc3_gadget_ep_dequeue+0x41/0x1c0 [ 516.475743] Code: 0f 1f 44 00 00 4c 8d a3 30 01 00 00 4c 89 e7 e8 05 e6 42 00 49 8b 4e 48 49 89 c5 49 8d 46 48 48 8d 51 a0 48 39 c8 75 0f eb 2e <48> 8b 4a 60 48 8d 51 a0 48 39 c8 74 21 48 39 d5 75 ee 45 31 f6 4c [ 516.494481] RSP: 0018:ffff945f8044fc40 EFLAGS: 00010083 [ 516.499703] RAX: ffff8a347b2e3c48 RBX: ffff8a347d3af828 RCX: 0000000000000000 [ 516.506826] RDX: ffffffffffffffa0 RSI: ffff8a347dc4ed80 RDI: ffff8a347d3af958 [ 516.513950] RBP: ffff8a347dc4ed80 R08: ffff8a347b2e3c68 R09: 00000000dbfbb796 [ 516.521075] R10: ffff945f8044fd90 R11: ffff8a347d3afb00 R12: ffff8a347d3af958 [ 516.528198] R13: 0000000000000082 R14: ffff8a347b2e3c00 R15: ffff8a347b103600 [ 516.535324] FS: 0000000000000000(0000) GS:ffff8a347e200000(0000) knlGS:0000000000000000 [ 516.543406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 516.549142] CR2: ffffffffffffffd6 CR3: 000000002f40a000 CR4: 00000000001006f0 [ 516.556264] Fixing recursive fault but reboot is needed! [ 544.795126] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [ 544.801062] rcu: 0-...0: (2 GPs behind) idle=a5a/1/0x4000000000000000 softirq=18432/18432 fqs=5250 [ 544.810182] (detected by 1, t=21002 jiffies, g=31497, q=9) [ 544.815751] Sending NMI from CPU 1 to CPUs 0: [ 544.821106] NMI backtrace for cpu 0 [ 544.821112] CPU: 0 PID: 194 Comm: kworker/0:2H Tainted: G D 5.9.0-edison-acpi-standard #1 [ 544.821116] Hardware name: Intel Corporation Merrifield/BODEGA BAY, BIOS 542 2015.01.21:18.19.48 [ 544.821119] Workqueue: 0x0 (mmc_complete) [ 544.821127] RIP: 0010:queued_spin_lock_slowpath+0x3c/0x1a0 [ 544.821135] Code: 41 f0 0f ba 2f 08 0f 92 c0 0f b6 c0 c1 e0 08 89 c2 8b 07 30 e4 09 d0 a9 00 01 ff ff 75 1b 85 c0 74 0e 8b 07 84 c0 74 08 f3 90 <8b> 07 84 c0 75 f8 b8 01 00 00 00 66 89 07 c3 f6 c4 01 75 04 c6 47 [ 544.821138] RSP: 0018:ffff945f80003af8 EFLAGS: 00000002 [ 544.821144] RAX: 0000000000000101 RBX: ffff8a347b2e3e00 RCX: 0000000000000000 [ 544.821148] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8a347d3af958 [ 544.821152] RBP: ffff8a347b655840 R08: 0000000000000004 R09: 0000000000000282 [ 544.821155] R10: ffff8a347c95a400 R11: 0000000000000002 R12: 0000000000000202 [ 544.821159] R13: ffff8a347b2238e0 R14: ffff8a347b223000 R15: ffff8a347b655880 [ 544.821163] FS: 0000000000000000(0000) GS:ffff8a347e200000(0000) knlGS:0000000000000000 [ 544.821166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 544.821170] CR2: ffffffffffffffd6 CR3: 000000002f40a000 CR4: 00000000001006f0 [ 544.821172] Call Trace: [ 544.821173] [ 544.821176] _raw_spin_lock_irqsave+0x20/0x30 [ 544.821179] dwc3_gadget_ep_queue+0x26/0x1a0 [ 544.821181] usb_ep_queue+0x2b/0xa0 [ 544.821184] eth_start_xmit+0x1d5/0x360 [u_ether] [ 544.821186] dev_hard_start_xmit+0x88/0x1d0 [ 544.821189] sch_direct_xmit+0xe1/0x210 [ 544.821191] __qdisc_run+0x145/0x520 [ 544.821194] __dev_queue_xmit+0x44e/0x6d0 [ 544.821196] ? sock_alloc_send_pskb+0x202/0x220 [ 544.821199] ip6_finish_output2+0x23b/0x550 [ 544.821201] ip6_output+0x6e/0x120 [ 544.821204] ? __ip6_finish_output+0x110/0x110 [ 544.821207] mld_sendpack+0x1b2/0x220 [ 544.821209] mld_ifc_timer_expire+0x191/0x2f0 [ 544.821212] ? ip6_mc_leave_src+0x90/0x90 [ 544.821214] call_timer_fn+0x28/0x120 [ 544.821217] run_timer_softirq+0x395/0x450 [ 544.821219] ? hrtimer_wakeup+0x19/0x20 [ 544.821222] ? __hrtimer_run_queues+0x100/0x260 [ 544.821225] ? recalibrate_cpu_khz+0x10/0x10 [ 544.821227] ? ktime_get+0x33/0x90 [ 544.821229] __do_softirq+0xdb/0x2dc [ 544.821232] asm_call_irq_on_stack+0x12/0x20 [ 544.821234] [ 544.821236] do_softirq_own_stack+0x32/0x40 [ 544.821239] irq_exit_rcu+0x92/0xa0 [ 544.821241] sysvec_apic_timer_interrupt+0x2e/0x80 [ 544.821244] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 544.821247] RIP: 0010:finish_task_switch+0x6e/0x200 [ 544.821255] Code: 00 00 4d 8b 7d 10 65 48 8b 1c 25 00 6d 01 00 0f 1f 44 00 00 0f 1f 44 00 00 41 c7 45 2c 00 00 00 00 41 c6 04 24 00 fb 4d 85 f6 <74> 1d 65 48 8b 04 25 00 6d 01 00 4c 3b b0 e0 03 00 00 74 33 f0 41 [ 544.821258] RSP: 0018:ffff945f802cfe18 EFLAGS: 00000246 [ 544.821264] RAX: ffff8a347afa0cc0 RBX: ffff8a3446040cc0 RCX: 0000000000000000 [ 544.821267] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8a347afa0cc0 [ 544.821271] RBP: ffff945f802cfe40 R08: 0000000000000368 R09: 0000000000000009 [ 544.821275] R10: 00000000fe6e673f R11: 000000000000013f R12: ffff8a347e22a0c0 [ 544.821279] R13: ffff8a347afa0cc0 R14: 0000000000000000 R15: 0000000000000002 [ 544.821281] ? __switch_to_asm+0x36/0x70 [ 544.821284] __schedule+0x3ee/0x640 [ 544.821286] schedule+0x45/0xb0 [ 544.821288] worker_thread+0xb7/0x3b0 [ 544.821291] ? process_one_work+0x380/0x380 [ 544.821293] kthread+0xf9/0x130 [ 544.821296] ? kthread_park+0x80/0x80 [ 544.821298] ret_from_fork+0x22/0x30