Hi hanlin, Does it need specific hardware to reproduce this issue? I would like to try,
BR / Fino (孟祥夫) Intel – IOTG Developer Enabling >-----Original Message----- >From: Xenomai <xenomai-boun...@xenomai.org> On Behalf Of wuhanlin via Xenomai >Sent: Thursday, July 16, 2020 11:04 PM >To: xenomai@xenomai.org >Subject: System Crash > >Hi ： > My program sends can data based on rtcan driver in the rt-timer（8ms）. > After running for a period of time, the >program appears to die. >that the ssh connections are lost and no response from hdmi device. > > >Configuration: >> > --ipipe-core-4.19.84-x86-8.patch >> > --Xenomai-V3.1 >> > --kernel 4.19.84 >The following is the kernel log： > > >Jul 13 07:16:03 bzl kernel: [223716.895961] ------------[ cut here >]------------ Jul 13 07:16:03 bzl kernel: [223716.895969] >NETDEV WATCHDOG: eno2 (e1000e): transmit queue 0 timed out Jul 13 07:16:03 bzl >kernel: [223716.896103] WARNING: >CPU: 1 PID: 0 at net/sched/sch_generic.c:466 dev_watchdog+0x206/0x210 Jul 13 >07:16:03 bzl kernel: [223716.896105] >Modules linked in: xeno_can_xilinx(OE) xeno_can(E) xeno_fpga_axi(OE) can_raw >can rfcomm bnep snd_soc_skl >snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core >snd_soc_acpi_intel_match snd_soc_acpi 8250_dw >nls_iso8859_1 snd_soc_core snd_compress ac97_bus intel_rapl snd_pcm_dmaengine >x86_pkg_temp_thermal >intel_powerclamp coretemp kvm_intel snd_hda_codec_hdmi crct10dif_pclmul >crc32_pclmul ghash_clmulni_intel >snd_hda_intel pcbc snd_hda_codec snd_hda_core snd_hwdep snd_pcm arc4 >snd_seq_midi snd_seq_midi_event >snd_rawmidi aesni_intel aes_x86_64 crypto_simd cryptd glue_helper intel_cstate >intel_rapl_perf snd_seq snd_seq_device >snd_timer wmi_bmof iwlmvm mac80211 snd soundcore iwlwifi btusb btrtl btbcm >btintel idma64 virt_dma bluetooth >mei_me cfg80211 input_leds mei intel_lpss_pci intel_lpss Jul 13 07:16:03 bzl >kernel: [223716.896150] ecdh_generic >intel_pch_thermal mac_hid parport_pc ppdev lp parport autofs4 mmc_block >hid_generic i915 kvmgt vfio_mdev mdev >e1000e vfio_iommu_type1 vfio kvm sdhci_pci cqhci ahci sdhci libahci irqbypass >usbhid i2c_algo_bit drm_kms_helper hid >syscopyarea sysfillrect sysimgblt fb_sys_fops drm wmi video >Jul 13 07:16:03 bzl kernel: [223716.896173] CPU: 1 PID: 0 Comm: swapper/1 >Tainted: G OE 4.19.84-x86-20200528 #3 >Jul 13 07:16:03 bzl kernel: [223716.896174] Hardware name: Intel(R) Client >Systems CM8CCB4R/CM8CCB4R, BIOS >CBWHL357.8175.2020.0514.1346 05/14/2020 Jul 13 07:16:03 bzl kernel: >[223716.896174] I-pipe domain: Linux Jul 13 >07:16:03 bzl kernel: [223716.896175] RIP: 0010:dev_watchdog+0x206/0x210 Jul 13 >07:16:03 bzl kernel: [223716.896176] >Code: 00 49 63 4e e0 eb 99 4c 89 ef c6 05 88 ac a7 00 01 e8 0e a3 fc ff 89 d9 >48 89 c2 4c 89 ee 48 c7 c7 a8 a1 96 89 e8 3a 3d 7c >ff <0f> 0b eb c0 66 0f 1f 44 00 00 e8 2b 71 14 00 48 c7 47 08 00 00 00 Jul 13 >07:16:03 bzl kernel: [223716.896177] RSP: >0018:ffff982decd03d80 EFLAGS: 00010282 Jul 13 07:16:03 bzl kernel: >[223716.896179] RAX: 0000000000000000 RBX: >0000000000000000 RCX: 000000000000083f Jul 13 07:16:03 bzl kernel: >[223716.896180] RDX: 0000000000000000 RSI: >00000000000000f6 RDI: 000000000000003f Jul 13 07:16:03 bzl kernel: >[223716.896180] RBP: ffff982decd03da8 R08: >0000000000000001 R09: 0000000000000345 Jul 13 07:16:03 bzl kernel: >[223716.896181] R10: ffff982decd03d90 R11: >0000000000000345 R12: 0000000000000001 Jul 13 07:16:03 bzl kernel: >[223716.896182] R13: ffff982ddf844000 R14: >ffff982ddf844480 R15: 0000000000000001 Jul 13 07:16:03 bzl kernel: >[223716.896183] FS: 0000000000000000(0000) >GS:ffff982decd00000(0000) knlGS:0000000000000000 Jul 13 07:16:03 bzl kernel: >[223716.896184] CS: 0010 DS: 0000 ES: 0000 >CR0: 0000000080050033 Jul 13 07:16:03 bzl kernel: [223716.896185] CR2: >00007f74656f5020 CR3: 0000000047e0a004 CR4: >00000000003606e0 Jul 13 07:16:03 bzl kernel: [223716.896185] Call Trace: >Jul 13 07:16:03 bzl kernel: [223716.896186] <IRQ> Jul 13 07:16:03 bzl kernel: >[223716.896187] ? qdisc_reset+0xe0/0xe0 Jul >13 07:16:03 bzl kernel: [223716.896188] ? qdisc_reset+0xe0/0xe0 Jul 13 >07:16:03 bzl kernel: [223716.896188] >call_timer_fn+0x32/0x140 Jul 13 07:16:03 bzl kernel: [223716.896189] ? >qdisc_reset+0xe0/0xe0 Jul 13 07:16:03 bzl kernel: >[223716.896190] run_timer_softirq+0x1e6/0x420 Jul 13 07:16:03 bzl kernel: >[223716.896191] ? __ipipe_do_IRQ+0x31/0x40 >Jul 13 07:16:03 bzl kernel: [223716.896191] ? >__ipipe_do_sync_stage+0x173/0x180 Jul 13 07:16:03 bzl kernel: >[223716.896192] __do_softirq+0xf3/0x2a4 Jul 13 07:16:03 bzl kernel: >[223716.896193] irq_exit+0xc8/0xd0 Jul 13 07:16:03 >bzl kernel: [223716.896194] smp_apic_timer_interrupt+0x63/0x130 >Jul 13 07:16:03 bzl kernel: [223716.896194] ? >smp_call_function_single_interrupt+0xd0/0xd0 >Jul 13 07:16:03 bzl kernel: [223716.896195] __ipipe_do_IRQ+0x31/0x40 Jul 13 >07:16:03 bzl kernel: [223716.896196] >__ipipe_do_sync_stage+0x173/0x180 Jul 13 07:16:03 bzl kernel: [223716.896197] >__ipipe_do_sync_pipeline+0x9b/0xa0 >Jul 13 07:16:03 bzl kernel: [223716.896197] dispatch_irq_head+0xe6/0x110 Jul >13 07:16:03 bzl kernel: [223716.896198] >__ipipe_dispatch_irq+0xd9/0x1c0 Jul 13 07:16:03 bzl kernel: [223716.896199] >__ipipe_handle_irq+0x86/0x1e0 Jul 13 >07:16:03 bzl kernel: [223716.896200] apic_timer_interrupt+0x12/0x40 Jul 13 >07:16:03 bzl kernel: [223716.896200] </IRQ> >Jul 13 07:16:03 bzl kernel: [223716.896201] RIP: >0010:__ipipe_halt_root+0x33/0x40 Jul 13 07:16:03 bzl kernel: >[223716.896202] Code: 60 c5 01 00 65 48 8b 05 b3 38 7c 77 48 01 d0 48 0f ba 30 >00 48 83 78 08 00 75 10 85 ff 75 03 fb f4 c3 31 >c0 89 c1 fb 0f 01 c9 <c3> 55 48 89 e5 e8 63 ea 10 00 fb 5d c3 e8 eb 64 9b 00 >48 89 fa 48 Jul 13 07:16:03 bzl kernel: >[223716.896203] RSP: 0018:ffffaf6f00703e80 EFLAGS: 00000246 ORIG_RAX: >ffffffffffffff13 Jul 13 07:16:03 bzl kernel: >[223716.896205] RAX: 0000000000000000 RBX: 0000000000000001 RCX: >0000000000000000 Jul 13 07:16:03 bzl kernel: >[223716.896205] RDX: 000000000001c560 RSI: 0000000000000000 RDI: >0000000000000001 Jul 13 07:16:03 bzl kernel: >[223716.896206] RBP: ffffaf6f00703ea0 R08: 0000000000000246 R09: >0000cb782626ef35 Jul 13 07:16:03 bzl kernel: >[223716.896207] R10: ffffaf6f00703e88 R11: 0000000000000000 R12: >0000000000000001 Jul 13 07:16:03 bzl kernel: >[223716.896208] R13: ffff982debe82dc0 R14: 0000000000000200 R15: >0000000000000000 Jul 13 07:16:03 bzl kernel: >[223716.896209] ? mwait_idle+0x6e/0x1e0 Jul 13 07:16:03 bzl kernel: >[223716.896209] arch_cpu_idle+0x15/0x20 Jul 13 >07:16:03 bzl kernel: [223716.896210] default_idle_call+0x37/0x39 Jul 13 >07:16:03 bzl kernel: [223716.896211] >do_idle+0xb1/0x160 Jul 13 07:16:03 bzl kernel: [223716.896212] >cpu_startup_entry+0x73/0x80 Jul 13 07:16:03 bzl kernel: >[223716.896212] start_secondary+0x18b/0x1d0 Jul 13 07:16:03 bzl kernel: >[223716.896213] >secondary_startup_64+0xa4/0xb0 Jul 13 07:16:03 bzl kernel: [223716.896214] >---[ end trace a2d6c57587c7893e ]--- Jul 13 >07:16:03 bzl NetworkManager[729]: <info> [1594595763.5584] device (eno2): >link disconnected (deferring action for 4 >seconds) Jul 13 07:16:03 bzl kernel: [223716.898669] e1000e 0000:00:1f.6 eno2: >Reset adapter unexpectedly Jul 13 07:16:07 >bzl NetworkManager[729]: <info> [1594595767.6627] device (eno2): link >disconnected (calling deferred action) Jul 13 >07:16:07 bzl NetworkManager[729]: <info> [1594595767.6628] device (eno2): >state change: activated -> unavailable (reason >'carrier-changed') [100 20 40] Jul 13 07:16:07 bzl NetworkManager[729]: <info> > [1594595767.6639] manager: >NetworkManager state is now DISCONNECTED > > >My question is what will cause this exception ? > > >Thank you for taking the time to answer my question. >
