Hello Michael, On Mon, Jul 18, 2022 at 02:30:29PM +0000, Kaesbauer, Michael wrote: > Hello Oleksij, > > after updating from kernel version 4.17.10 to 4.19.237 I am facing massive kernel messages when sending CAN telegrams via an CC770 compatible controller by using the drivers cc770.ko and can_dev.ko. Initial patch was developed and tested on top of 5.x kernel. I better ask CAN community if some one has idea on what is going wrong here. CCing CAN maeling list. > Here an excerpt (more data at attachment excerpt.txt): > Jun 24 09:44:01 (none) kernel: [67592.681525] ------------[ cut here ]------------ > Jun 24 09:44:01 (none) kernel: [67592.681539] WARNING: CPU: 2 PID: 0 at /home/buildroot/darthost_APC910_wl/kernel/linux-4.19.237/net/core/skbuff.c:624 skb_release_head_state+0x55/0x60 > Jun 24 09:44:01 (none) kernel: [67592.681540] Modules linked in: elo cc770_isa cc770 can_dev can_raw can e1000e pl2303 usbserial ptp pps_core x86_pkg_temp_thermal > Jun 24 09:44:01 (none) kernel: [67592.681545] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 4.19.237_dev-tomoyo-ima #1 > Jun 24 09:44:01 (none) kernel: [67592.681546] Hardware name: Bernecker + Rainer Industrie-Elektronik APC910/TS170, BIOS W1.22 02/03/2022 > Jun 24 09:44:01 (none) kernel: [67592.681549] RIP: 0010:skb_release_head_state+0x55/0x60 > Jun 24 09:44:01 (none) kernel: [67592.681550] Code: 81 e2 00 00 0f 00 75 16 48 89 df 5b e9 a4 f9 31 00 5b c3 48 83 e7 fe e8 f9 ff 01 00 eb ca 48 c7 c7 68 57 d8 81 e8 28 8e 0e 00 <0f> 0b 48 8b 43 60 eb d6 0f 1f 00 53 48 89 fb e8 97 ff ff ff 48 83 > Jun 24 09:44:01 (none) kernel: [67592.681552] RSP: 0018:ffff888267b03e78 EFLAGS: 00010086 > Jun 24 09:44:01 (none) kernel: [67592.681553] RAX: 0000000000000024 RBX: ffff8881fdc7e100 RCX: ffffffff82035638 > Jun 24 09:44:01 (none) kernel: [67592.681554] RDX: 0000000000000000 RSI: 0000000000000092 RDI: ffffffff825587ac > Jun 24 09:44:01 (none) kernel: [67592.681555] RBP: 0000000000000000 R08: 0000000000e992c4 R09: 0000000000000007 > Jun 24 09:44:01 (none) kernel: [67592.681556] R10: 0000000000000000 R11: ffffffff8255a7ed R12: ffff888266a7e000 > Jun 24 09:44:01 (none) kernel: [67592.681557] R13: ffff888246313500 R14: ffff888266a7e000 R15: 0000000000000055 > Jun 24 09:44:01 (none) kernel: [67592.681558] FS: 0000000000000000(0000) GS:ffff888267b00000(0000) knlGS:0000000000000000 > Jun 24 09:44:01 (none) kernel: [67592.681559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > Jun 24 09:44:01 (none) kernel: [67592.681560] CR2: 0000000000000000 CR3: 000000000200a001 CR4: 00000000003606e0 > Jun 24 09:44:01 (none) kernel: [67592.681561] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > Jun 24 09:44:01 (none) kernel: [67592.681562] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Jun 24 09:44:01 (none) kernel: [67592.681562] Call Trace: > Jun 24 09:44:01 (none) kernel: [67592.681564] <IRQ> > Jun 24 09:44:01 (none) kernel: [67592.681567] skb_release_all+0x9/0x20 > Jun 24 09:44:01 (none) kernel: [67592.681568] consume_skb+0x27/0x90 > Jun 24 09:44:01 (none) kernel: [67592.681571] can_put_echo_skb+0xc5/0x120 [can_dev] > Jun 24 09:44:01 (none) kernel: [67592.681573] cc770_interrupt+0x220/0x600 [cc770] > Jun 24 09:44:01 (none) kernel: [67592.681575] ? timerqueue_add+0x58/0x60 > Jun 24 09:44:01 (none) kernel: [67592.681578] __handle_irq_event_percpu+0x41/0x1a0 > Jun 24 09:44:01 (none) kernel: [67592.681580] handle_irq_event_percpu+0x2b/0x70 > Jun 24 09:44:01 (none) kernel: [67592.681582] handle_irq_event+0x22/0x40 > Jun 24 09:44:01 (none) kernel: [67592.681584] handle_edge_irq+0x75/0x190 > Jun 24 09:44:01 (none) kernel: [67592.681586] handle_irq+0x17/0x20 > Jun 24 09:44:01 (none) kernel: [67592.681588] do_IRQ+0x3c/0xd0 > Jun 24 09:44:01 (none) kernel: [67592.681590] common_interrupt+0xf/0xf > Jun 24 09:44:01 (none) kernel: [67592.681591] </IRQ> > Jun 24 09:44:01 (none) kernel: [67592.681594] RIP: 0010:cpuidle_enter_state+0xb2/0x310 > Jun 24 09:44:01 (none) kernel: [67592.681595] Code: c3 8b 05 99 31 a4 00 85 c0 0f 8f 33 01 00 00 31 ff e8 c2 06 9e ff 45 84 f6 0f 85 f1 00 00 00 fb 48 ba cf f7 53 e3 a5 9b c4 20 <4c> 29 fb 48 89 d8 48 c1 fb 3f 48 f7 ea b8 ff ff ff 7f 48 c1 fa 07 > Jun 24 09:44:01 (none) kernel: [67592.681596] RSP: 0018:ffffc900000a7e90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffdc > Jun 24 09:44:01 (none) kernel: [67592.681598] RAX: ffff888267b24840 RBX: 00003d79a5c4f930 RCX: 000000000000001f > Jun 24 09:44:01 (none) kernel: [67592.681599] RDX: 20c49ba5e353f7cf RSI: 000000002f32988b RDI: 0000000000000000 > Jun 24 09:44:01 (none) kernel: [67592.681600] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000024100 > Jun 24 09:44:01 (none) kernel: [67592.681601] R10: ffffc900000a7e78 R11: 0000000000003cc2 R12: ffffffff82091878 > Jun 24 09:44:01 (none) kernel: [67592.681601] R13: ffff888267b2be00 R14: 0000000000000000 R15: 00003d79a5b3bdb2 > Jun 24 09:44:01 (none) kernel: [67592.681605] do_idle+0x1d6/0x230 > Jun 24 09:44:01 (none) kernel: [67592.681607] cpu_startup_entry+0x6a/0x70 > Jun 24 09:44:01 (none) kernel: [67592.681610] start_secondary+0x183/0x1b0 > Jun 24 09:44:01 (none) kernel: [67592.681611] secondary_startup_64+0xa4/0xb0 > Jun 24 09:44:01 (none) kernel: [67592.681613] ---[ end trace 7155571a10d3a959 ]--- > > As the kernel logs are redirected to a file at my system, the disk is running out of space after some time. > > Another user, Patric Hopfgarten, has reported the same error at this post: > https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe/+bug/1915035 > > After some research I discovered the change made at commit ef02687fc78099ef3fd2eb8a150c2823fe2d9061: > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/include/linux/can?h=linux-4.19.y&id=ef02687fc78099ef3fd2eb8a150c2823fe2d9061 > > For testing purposes I reverted only this commit at kernel version 4.19.237 and all the logging problems disappeared. > > I think the original reason: > "... The problem shows up in the j1939 stack, when it clones the incoming skb, which > detects the already 0 refcount. ..." > for that commit is not valid for kernel version 4.19.237 as this version does not support the j1939 stack at mainline. > > What solution can you imagine for solving the described problem? > > Looking forward to get your feedback. > > > Kind regards > > Michael Käsbauer > Software Developer of Sensor Technology > CRD Inspection Technology > > Krones AG > Böhmerwaldstraße 5 > 93073 Neutraubling > Germany > > Phone: +49 (0)9401 70-1853 > E-Mail: michael.kaesbauer@xxxxxxxxxx<mailto:michael.kaesbauer@xxxxxxxxxx> > Internet: www.krones.com<http://www.krones.com> > > > [https://www.krones.com/ext/mailbanner/drinktec/Krones_Linie_Mann.jpg] <https://www.krones.com/drinktec> ______________________________________________________________ > > Krones AG > Vorstand: Christoph Klenk, Vorstandsvorsitzender, > Norbert Broger, Thomas Ricker, Markus Tischer, Ralf Goldbrunner > Vorsitzender des Aufsichtsrats: Volker Kronseder > Registergericht: Regensburg HRB 23 44, Umsatzsteuer-ID-Nummer: DE 133 695 999 > > ______________________________________________________________ > > Der Inhalt dieser E-Mail und jeder Anhang ist vertraulich. > Diese Inhalte sind nur fuer die benannten Adressaten. > Wenn Sie diese E-Mail durch einen Fehler erhalten haben, > benachrichtigen Sie sofort Ihren Administrator oder den Absender. > Behandeln Sie die E-Mail vertraulich. > > * Diese E-Mail wurde auf Viren und gefaehrlichen Inhalt geprueft. * > > ______________________________________________________________ > > The contents of this email and any attachments are confidential. > They are intended for the named recipient(s) only. > If you have received this email in error please notify the system manager > or the sender immediately and do not disclose the contents to anyone or > make copies. > > * This e-Mail was scanned for viruses, vandals and malicious content. * > ... > Jun 24 09:44:01 (none) kernel: [67592.681525] ------------[ cut here ]------------ > Jun 24 09:44:01 (none) kernel: [67592.681539] WARNING: CPU: 2 PID: 0 at /home/buildroot/darthost_APC910_wl/kernel/linux-4.19.237/net/core/skbuff.c:624 skb_release_head_state+0x55/0x60 > Jun 24 09:44:01 (none) kernel: [67592.681540] Modules linked in: elo cc770_isa cc770 can_dev can_raw can e1000e pl2303 usbserial ptp pps_core x86_pkg_temp_thermal > Jun 24 09:44:01 (none) kernel: [67592.681545] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 4.19.237_dev-tomoyo-ima #1 > Jun 24 09:44:01 (none) kernel: [67592.681546] Hardware name: Bernecker + Rainer Industrie-Elektronik APC910/TS170, BIOS W1.22 02/03/2022 > Jun 24 09:44:01 (none) kernel: [67592.681549] RIP: 0010:skb_release_head_state+0x55/0x60 > Jun 24 09:44:01 (none) kernel: [67592.681550] Code: 81 e2 00 00 0f 00 75 16 48 89 df 5b e9 a4 f9 31 00 5b c3 48 83 e7 fe e8 f9 ff 01 00 eb ca 48 c7 c7 68 57 d8 81 e8 28 8e 0e 00 <0f> 0b 48 8b 43 60 eb d6 0f 1f 00 53 48 89 fb e8 97 ff ff ff 48 83 > Jun 24 09:44:01 (none) kernel: [67592.681552] RSP: 0018:ffff888267b03e78 EFLAGS: 00010086 > Jun 24 09:44:01 (none) kernel: [67592.681553] RAX: 0000000000000024 RBX: ffff8881fdc7e100 RCX: ffffffff82035638 > Jun 24 09:44:01 (none) kernel: [67592.681554] RDX: 0000000000000000 RSI: 0000000000000092 RDI: ffffffff825587ac > Jun 24 09:44:01 (none) kernel: [67592.681555] RBP: 0000000000000000 R08: 0000000000e992c4 R09: 0000000000000007 > Jun 24 09:44:01 (none) kernel: [67592.681556] R10: 0000000000000000 R11: ffffffff8255a7ed R12: ffff888266a7e000 > Jun 24 09:44:01 (none) kernel: [67592.681557] R13: ffff888246313500 R14: ffff888266a7e000 R15: 0000000000000055 > Jun 24 09:44:01 (none) kernel: [67592.681558] FS: 0000000000000000(0000) GS:ffff888267b00000(0000) knlGS:0000000000000000 > Jun 24 09:44:01 (none) kernel: [67592.681559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > Jun 24 09:44:01 (none) kernel: [67592.681560] CR2: 0000000000000000 CR3: 000000000200a001 CR4: 00000000003606e0 > Jun 24 09:44:01 (none) kernel: [67592.681561] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > Jun 24 09:44:01 (none) kernel: [67592.681562] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Jun 24 09:44:01 (none) kernel: [67592.681562] Call Trace: > Jun 24 09:44:01 (none) kernel: [67592.681564] <IRQ> > Jun 24 09:44:01 (none) kernel: [67592.681567] skb_release_all+0x9/0x20 > Jun 24 09:44:01 (none) kernel: [67592.681568] consume_skb+0x27/0x90 > Jun 24 09:44:01 (none) kernel: [67592.681571] can_put_echo_skb+0xc5/0x120 [can_dev] > Jun 24 09:44:01 (none) kernel: [67592.681573] cc770_interrupt+0x220/0x600 [cc770] > Jun 24 09:44:01 (none) kernel: [67592.681575] ? timerqueue_add+0x58/0x60 > Jun 24 09:44:01 (none) kernel: [67592.681578] __handle_irq_event_percpu+0x41/0x1a0 > Jun 24 09:44:01 (none) kernel: [67592.681580] handle_irq_event_percpu+0x2b/0x70 > Jun 24 09:44:01 (none) kernel: [67592.681582] handle_irq_event+0x22/0x40 > Jun 24 09:44:01 (none) kernel: [67592.681584] handle_edge_irq+0x75/0x190 > Jun 24 09:44:01 (none) kernel: [67592.681586] handle_irq+0x17/0x20 > Jun 24 09:44:01 (none) kernel: [67592.681588] do_IRQ+0x3c/0xd0 > Jun 24 09:44:01 (none) kernel: [67592.681590] common_interrupt+0xf/0xf > Jun 24 09:44:01 (none) kernel: [67592.681591] </IRQ> > Jun 24 09:44:01 (none) kernel: [67592.681594] RIP: 0010:cpuidle_enter_state+0xb2/0x310 > Jun 24 09:44:01 (none) kernel: [67592.681595] Code: c3 8b 05 99 31 a4 00 85 c0 0f 8f 33 01 00 00 31 ff e8 c2 06 9e ff 45 84 f6 0f 85 f1 00 00 00 fb 48 ba cf f7 53 e3 a5 9b c4 20 <4c> 29 fb 48 89 d8 48 c1 fb 3f 48 f7 ea b8 ff ff ff 7f 48 c1 fa 07 > Jun 24 09:44:01 (none) kernel: [67592.681596] RSP: 0018:ffffc900000a7e90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffdc > Jun 24 09:44:01 (none) kernel: [67592.681598] RAX: ffff888267b24840 RBX: 00003d79a5c4f930 RCX: 000000000000001f > Jun 24 09:44:01 (none) kernel: [67592.681599] RDX: 20c49ba5e353f7cf RSI: 000000002f32988b RDI: 0000000000000000 > Jun 24 09:44:01 (none) kernel: [67592.681600] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000024100 > Jun 24 09:44:01 (none) kernel: [67592.681601] R10: ffffc900000a7e78 R11: 0000000000003cc2 R12: ffffffff82091878 > Jun 24 09:44:01 (none) kernel: [67592.681601] R13: ffff888267b2be00 R14: 0000000000000000 R15: 00003d79a5b3bdb2 > Jun 24 09:44:01 (none) kernel: [67592.681605] do_idle+0x1d6/0x230 > Jun 24 09:44:01 (none) kernel: [67592.681607] cpu_startup_entry+0x6a/0x70 > Jun 24 09:44:01 (none) kernel: [67592.681610] start_secondary+0x183/0x1b0 > Jun 24 09:44:01 (none) kernel: [67592.681611] secondary_startup_64+0xa4/0xb0 > Jun 24 09:44:01 (none) kernel: [67592.681613] ---[ end trace 7155571a10d3a959 ]--- > Jun 24 09:44:01 (none) kernel: [67593.322902] ------------[ cut here ]------------ > Jun 24 09:44:01 (none) kernel: [67593.322916] WARNING: CPU: 2 PID: 0 at /home/buildroot/darthost_APC910_wl/kernel/linux-4.19.237/net/core/skbuff.c:624 skb_release_head_state+0x55/0x60 > Jun 24 09:44:01 (none) kernel: [67593.322917] Modules linked in: elo cc770_isa cc770 can_dev can_raw can e1000e pl2303 usbserial ptp pps_core x86_pkg_temp_thermal > Jun 24 09:44:01 (none) kernel: [67593.322922] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 4.19.237_dev-tomoyo-ima #1 > Jun 24 09:44:01 (none) kernel: [67593.322923] Hardware name: Bernecker + Rainer Industrie-Elektronik APC910/TS170, BIOS W1.22 02/03/2022 > Jun 24 09:44:01 (none) kernel: [67593.322926] RIP: 0010:skb_release_head_state+0x55/0x60 > Jun 24 09:44:01 (none) kernel: [67593.322927] Code: 81 e2 00 00 0f 00 75 16 48 89 df 5b e9 a4 f9 31 00 5b c3 48 83 e7 fe e8 f9 ff 01 00 eb ca 48 c7 c7 68 57 d8 81 e8 28 8e 0e 00 <0f> 0b 48 8b 43 60 eb d6 0f 1f 00 53 48 89 fb e8 97 ff ff ff 48 83 > Jun 24 09:44:01 (none) kernel: [67593.322928] RSP: 0018:ffff888267b03e78 EFLAGS: 00010086 > Jun 24 09:44:01 (none) kernel: [67593.322930] RAX: 0000000000000024 RBX: ffff888246313400 RCX: ffffffff82035638 > Jun 24 09:44:01 (none) kernel: [67593.322931] RDX: 0000000000000000 RSI: 0000000000000092 RDI: ffffffff825587ac > Jun 24 09:44:01 (none) kernel: [67593.322932] RBP: 0000000000000000 R08: 0000000000e992f2 R09: 0000000000000007 > Jun 24 09:44:01 (none) kernel: [67593.322933] R10: 0000000000000000 R11: ffffffff8255a7ed R12: ffff888266a7e000 > Jun 24 09:44:01 (none) kernel: [67593.322934] R13: ffff888246313300 R14: ffff888266a7e000 R15: 0000000000000055 > Jun 24 09:44:01 (none) kernel: [67593.322935] FS: 0000000000000000(0000) GS:ffff888267b00000(0000) knlGS:0000000000000000 > Jun 24 09:44:01 (none) kernel: [67593.322936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > Jun 24 09:44:01 (none) kernel: [67593.322937] CR2: 00007f7fd9d60008 CR3: 000000000200a002 CR4: 00000000003606e0 > Jun 24 09:44:01 (none) kernel: [67593.322938] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > Jun 24 09:44:01 (none) kernel: [67593.322939] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Jun 24 09:44:01 (none) kernel: [67593.322939] Call Trace: > Jun 24 09:44:01 (none) kernel: [67593.322941] <IRQ> > Jun 24 09:44:01 (none) kernel: [67593.322944] skb_release_all+0x9/0x20 > Jun 24 09:44:01 (none) kernel: [67593.322945] consume_skb+0x27/0x90 > Jun 24 09:44:01 (none) kernel: [67593.322948] can_put_echo_skb+0xc5/0x120 [can_dev] > Jun 24 09:44:01 (none) kernel: [67593.322950] cc770_interrupt+0x220/0x600 [cc770] > Jun 24 09:44:01 (none) kernel: [67593.322954] __handle_irq_event_percpu+0x41/0x1a0 > Jun 24 09:44:01 (none) kernel: [67593.322956] handle_irq_event_percpu+0x2b/0x70 > Jun 24 09:44:01 (none) kernel: [67593.322958] handle_irq_event+0x22/0x40 > Jun 24 09:44:01 (none) kernel: [67593.322960] handle_edge_irq+0x75/0x190 > Jun 24 09:44:01 (none) kernel: [67593.322961] handle_irq+0x17/0x20 > Jun 24 09:44:01 (none) kernel: [67593.322963] do_IRQ+0x3c/0xd0 > Jun 24 09:44:01 (none) kernel: [67593.322966] common_interrupt+0xf/0xf > Jun 24 09:44:01 (none) kernel: [67593.322967] </IRQ> > Jun 24 09:44:01 (none) kernel: [67593.322970] RIP: 0010:cpuidle_enter_state+0xb2/0x310 > Jun 24 09:44:01 (none) kernel: [67593.322971] Code: c3 8b 05 99 31 a4 00 85 c0 0f 8f 33 01 00 00 31 ff e8 c2 06 9e ff 45 84 f6 0f 85 f1 00 00 00 fb 48 ba cf f7 53 e3 a5 9b c4 20 <4c> 29 fb 48 89 d8 48 c1 fb 3f 48 f7 ea b8 ff ff ff 7f 48 c1 fa 07 > Jun 24 09:44:01 (none) kernel: [67593.322972] RSP: 0018:ffffc900000a7e90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffdc > Jun 24 09:44:01 (none) kernel: [67593.322973] RAX: ffff888267b24840 RBX: 00003d79cbff9cb5 RCX: 000000000000001f > Jun 24 09:44:01 (none) kernel: [67593.322974] RDX: 20c49ba5e353f7cf RSI: 000000002f32988b RDI: 0000000000000000 > Jun 24 09:44:01 (none) kernel: [67593.322975] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000024100 > Jun 24 09:44:01 (none) kernel: [67593.322976] R10: ffffc900000a7e78 R11: 0000000000000201 R12: ffffffff82091878 > Jun 24 09:44:01 (none) kernel: [67593.322977] R13: ffff888267b2be00 R14: 0000000000000000 R15: 00003d79cbfb62b3 > Jun 24 09:44:01 (none) kernel: [67593.322980] do_idle+0x1d6/0x230 > Jun 24 09:44:01 (none) kernel: [67593.322983] cpu_startup_entry+0x6a/0x70 > Jun 24 09:44:01 (none) kernel: [67593.322985] start_secondary+0x183/0x1b0 > Jun 24 09:44:01 (none) kernel: [67593.322987] secondary_startup_64+0xa4/0xb0 > Jun 24 09:44:01 (none) kernel: [67593.322988] ---[ end trace 7155571a10d3a95a ]--- > Jun 24 09:44:01 (none) kernel: [67593.343772] ------------[ cut here ]------------ > Jun 24 09:44:01 (none) kernel: [67593.343782] WARNING: CPU: 2 PID: 0 at /home/buildroot/darthost_APC910_wl/kernel/linux-4.19.237/net/core/skbuff.c:624 skb_release_head_state+0x55/0x60 > Jun 24 09:44:01 (none) kernel: [67593.343783] Modules linked in: elo cc770_isa cc770 can_dev can_raw can e1000e pl2303 usbserial ptp pps_core x86_pkg_temp_thermal > Jun 24 09:44:01 (none) kernel: [67593.343788] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 4.19.237_dev-tomoyo-ima #1 > Jun 24 09:44:01 (none) kernel: [67593.343789] Hardware name: Bernecker + Rainer Industrie-Elektronik APC910/TS170, BIOS W1.22 02/03/2022 > Jun 24 09:44:01 (none) kernel: [67593.343791] RIP: 0010:skb_release_head_state+0x55/0x60 > Jun 24 09:44:01 (none) kernel: [67593.343793] Code: 81 e2 00 00 0f 00 75 16 48 89 df 5b e9 a4 f9 31 00 5b c3 48 83 e7 fe e8 f9 ff 01 00 eb ca 48 c7 c7 68 57 d8 81 e8 28 8e 0e 00 <0f> 0b 48 8b 43 60 eb d6 0f 1f 00 53 48 89 fb e8 97 ff ff ff 48 83 > Jun 24 09:44:01 (none) kernel: [67593.343794] RSP: 0018:ffff888267b03e78 EFLAGS: 00010086 > Jun 24 09:44:01 (none) kernel: [67593.343795] RAX: 0000000000000024 RBX: ffff8881fdc7e100 RCX: ffffffff82035638 > Jun 24 09:44:01 (none) kernel: [67593.343796] RDX: 0000000000000000 RSI: 0000000000000092 RDI: ffffffff825587ac > Jun 24 09:44:01 (none) kernel: [67593.343797] RBP: 0000000000000000 R08: 0000000000e9931f R09: 0000000000000007 > Jun 24 09:44:01 (none) kernel: [67593.343798] R10: 0000000000000000 R11: ffffffff8255a7ed R12: ffff888266a7e000 > Jun 24 09:44:01 (none) kernel: [67593.343799] R13: ffff888246313400 R14: ffff888266a7e000 R15: 0000000000000055 > Jun 24 09:44:01 (none) kernel: [67593.343800] FS: 0000000000000000(0000) GS:ffff888267b00000(0000) knlGS:0000000000000000 > Jun 24 09:44:01 (none) kernel: [67593.343801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > Jun 24 09:44:01 (none) kernel: [67593.343802] CR2: 00007f7fd9d60008 CR3: 000000000200a002 CR4: 00000000003606e0 > Jun 24 09:44:01 (none) kernel: [67593.343803] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > Jun 24 09:44:01 (none) kernel: [67593.343804] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Jun 24 09:44:01 (none) kernel: [67593.343805] Call Trace: > Jun 24 09:44:01 (none) kernel: [67593.343806] <IRQ> > Jun 24 09:44:01 (none) kernel: [67593.343808] skb_release_all+0x9/0x20 > Jun 24 09:44:01 (none) kernel: [67593.343810] consume_skb+0x27/0x90 > Jun 24 09:44:01 (none) kernel: [67593.343812] can_put_echo_skb+0xc5/0x120 [can_dev] > Jun 24 09:44:01 (none) kernel: [67593.343814] cc770_interrupt+0x220/0x600 [cc770] > Jun 24 09:44:01 (none) kernel: [67593.343816] ? timerqueue_add+0x58/0x60 > Jun 24 09:44:01 (none) kernel: [67593.343819] __handle_irq_event_percpu+0x41/0x1a0 > Jun 24 09:44:01 (none) kernel: [67593.343821] handle_irq_event_percpu+0x2b/0x70 > Jun 24 09:44:01 (none) kernel: [67593.343823] handle_irq_event+0x22/0x40 > Jun 24 09:44:01 (none) kernel: [67593.343824] handle_edge_irq+0x75/0x190 > Jun 24 09:44:01 (none) kernel: [67593.343826] handle_irq+0x17/0x20 > Jun 24 09:44:01 (none) kernel: [67593.343827] do_IRQ+0x3c/0xd0 > Jun 24 09:44:01 (none) kernel: [67593.343830] common_interrupt+0xf/0xf > Jun 24 09:44:01 (none) kernel: [67593.343831] </IRQ> > Jun 24 09:44:01 (none) kernel: [67593.343833] RIP: 0010:cpuidle_enter_state+0xb2/0x310 > Jun 24 09:44:01 (none) kernel: [67593.343835] Code: c3 8b 05 99 31 a4 00 85 c0 0f 8f 33 01 00 00 31 ff e8 c2 06 9e ff 45 84 f6 0f 85 f1 00 00 00 fb 48 ba cf f7 53 e3 a5 9b c4 20 <4c> 29 fb 48 89 d8 48 c1 fb 3f 48 f7 ea b8 ff ff ff 7f 48 c1 fa 07 > Jun 24 09:44:01 (none) kernel: [67593.343836] RSP: 0018:ffffc900000a7e90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffdc > Jun 24 09:44:01 (none) kernel: [67593.343837] RAX: ffff888267b24840 RBX: 00003d79cd3e5ff2 RCX: 000000000000001f > Jun 24 09:44:01 (none) kernel: [67593.343838] RDX: 20c49ba5e353f7cf RSI: 000000002f32988b RDI: 0000000000000000 > Jun 24 09:44:01 (none) kernel: [67593.343839] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000024100 > Jun 24 09:44:01 (none) kernel: [67593.343840] R10: ffffc900000a7e78 R11: 0000000000003d3d R12: ffffffff82091638 > Jun 24 09:44:01 (none) kernel: [67593.343841] R13: ffff888267b2be00 R14: 0000000000000000 R15: 00003d79cd385aa1 > Jun 24 09:44:01 (none) kernel: [67593.343844] do_idle+0x1d6/0x230 > Jun 24 09:44:01 (none) kernel: [67593.343846] cpu_startup_entry+0x6a/0x70 > Jun 24 09:44:01 (none) kernel: [67593.343848] start_secondary+0x183/0x1b0 > Jun 24 09:44:01 (none) kernel: [67593.343849] secondary_startup_64+0xa4/0xb0 > Jun 24 09:44:01 (none) kernel: [67593.343851] ---[ end trace 7155571a10d3a95b ]--- > Jun 24 09:44:02 (none) kernel: [67593.345557] ------------[ cut here ]------------ > Jun 24 09:44:02 (none) kernel: [67593.345566] WARNING: CPU: 2 PID: 0 at /home/buildroot/darthost_APC910_wl/kernel/linux-4.19.237/net/core/skbuff.c:624 skb_release_head_state+0x55/0x60 > Jun 24 09:44:02 (none) kernel: [67593.345567] Modules linked in: elo cc770_isa cc770 can_dev can_raw can e1000e pl2303 usbserial ptp pps_core x86_pkg_temp_thermal > Jun 24 09:44:02 (none) kernel: [67593.345571] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 4.19.237_dev-tomoyo-ima #1 > Jun 24 09:44:02 (none) kernel: [67593.345572] Hardware name: Bernecker + Rainer Industrie-Elektronik APC910/TS170, BIOS W1.22 02/03/2022 > Jun 24 09:44:02 (none) kernel: [67593.345574] RIP: 0010:skb_release_head_state+0x55/0x60 > Jun 24 09:44:02 (none) kernel: [67593.345576] Code: 81 e2 00 00 0f 00 75 16 48 89 df 5b e9 a4 f9 31 00 5b c3 48 83 e7 fe e8 f9 ff 01 00 eb ca 48 c7 c7 68 57 d8 81 e8 28 8e 0e 00 <0f> 0b 48 8b 43 60 eb d6 0f 1f 00 53 48 89 fb e8 97 ff ff ff 48 83 > Jun 24 09:44:02 (none) kernel: [67593.345577] RSP: 0018:ffff888267b03e78 EFLAGS: 00010086 > Jun 24 09:44:02 (none) kernel: [67593.345578] RAX: 0000000000000024 RBX: ffff888246313400 RCX: ffffffff82035638 > Jun 24 09:44:02 (none) kernel: [67593.345579] RDX: 0000000000000000 RSI: 0000000000000092 RDI: ffffffff825587ac > Jun 24 09:44:02 (none) kernel: [67593.345580] RBP: 0000000000000000 R08: 0000000000e9934d R09: 0000000000000007 > Jun 24 09:44:02 (none) kernel: [67593.345581] R10: 0000000000000000 R11: ffffffff8255a7ed R12: ffff888266a7e000 > Jun 24 09:44:02 (none) kernel: [67593.345582] R13: ffff888246313100 R14: ffff888266a7e000 R15: 0000000000000055 > Jun 24 09:44:02 (none) kernel: [67593.345583] FS: 0000000000000000(0000) GS:ffff888267b00000(0000) knlGS:0000000000000000 > Jun 24 09:44:02 (none) kernel: [67593.345584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > Jun 24 09:44:02 (none) kernel: [67593.345585] CR2: 00007f7fd9d60008 CR3: 000000000200a002 CR4: 00000000003606e0 > Jun 24 09:44:02 (none) kernel: [67593.345586] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > Jun 24 09:44:02 (none) kernel: [67593.345587] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Jun 24 09:44:02 (none) kernel: [67593.345588] Call Trace: > Jun 24 09:44:02 (none) kernel: [67593.345589] <IRQ> > Jun 24 09:44:02 (none) kernel: [67593.345591] skb_release_all+0x9/0x20 > Jun 24 09:44:02 (none) kernel: [67593.345593] consume_skb+0x27/0x90 > Jun 24 09:44:02 (none) kernel: [67593.345595] can_put_echo_skb+0xc5/0x120 [can_dev] > Jun 24 09:44:02 (none) kernel: [67593.345597] cc770_interrupt+0x220/0x600 [cc770] > Jun 24 09:44:02 (none) kernel: [67593.345599] ? timerqueue_add+0x58/0x60 > Jun 24 09:44:02 (none) kernel: [67593.345601] __handle_irq_event_percpu+0x41/0x1a0 > Jun 24 09:44:02 (none) kernel: [67593.345603] handle_irq_event_percpu+0x2b/0x70 > Jun 24 09:44:02 (none) kernel: [67593.345605] handle_irq_event+0x22/0x40 > Jun 24 09:44:02 (none) kernel: [67593.345607] handle_edge_irq+0x75/0x190 > Jun 24 09:44:02 (none) kernel: [67593.345608] handle_irq+0x17/0x20 > Jun 24 09:44:02 (none) kernel: [67593.345609] do_IRQ+0x3c/0xd0 > Jun 24 09:44:02 (none) kernel: [67593.345612] common_interrupt+0xf/0xf > Jun 24 09:44:02 (none) kernel: [67593.345613] </IRQ> > Jun 24 09:44:02 (none) kernel: [67593.345615] RIP: 0010:cpuidle_enter_state+0xb2/0x310 > Jun 24 09:44:02 (none) kernel: [67593.345616] Code: c3 8b 05 99 31 a4 00 85 c0 0f 8f 33 01 00 00 31 ff e8 c2 06 9e ff 45 84 f6 0f 85 f1 00 00 00 fb 48 ba cf f7 53 e3 a5 9b c4 20 <4c> 29 fb 48 89 d8 48 c1 fb 3f 48 f7 ea b8 ff ff ff 7f 48 c1 fa 07 > Jun 24 09:44:02 (none) kernel: [67593.345617] RSP: 0018:ffffc900000a7e90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffdc > Jun 24 09:44:02 (none) kernel: [67593.345619] RAX: ffff888267b24840 RBX: 00003d79cd595186 RCX: 000000000000001f > Jun 24 09:44:02 (none) kernel: [67593.345619] RDX: 20c49ba5e353f7cf RSI: 000000002f32988b RDI: 0000000000000000 > Jun 24 09:44:02 (none) kernel: [67593.345620] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000024100 > Jun 24 09:44:02 (none) kernel: [67593.345621] R10: ffffc900000a7e78 R11: 0000000000000225 R12: ffffffff820917b8 > Jun 24 09:44:02 (none) kernel: [67593.345622] R13: ffff888267b2be00 R14: 0000000000000000 R15: 00003d79cd56dc90 > Jun 24 09:44:02 (none) kernel: [67593.345625] do_idle+0x1d6/0x230 > Jun 24 09:44:02 (none) kernel: [67593.345627] cpu_startup_entry+0x6a/0x70 > Jun 24 09:44:02 (none) kernel: [67593.345629] start_secondary+0x183/0x1b0 > Jun 24 09:44:02 (none) kernel: [67593.345631] secondary_startup_64+0xa4/0xb0 > Jun 24 09:44:02 (none) kernel: [67593.345632] ---[ end trace 7155571a10d3a95c ]--- > ... -- 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