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X-OriginatorOrg: siemens.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Oct 2022 13:41:41.5331 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 625b001b-c2e1-4d8c-b3a0-08daaac529f9 X-MS-Exchange-CrossTenant-Id: 38ae3bcd-9579-4fd4-adda-b42e1495d55a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=38ae3bcd-9579-4fd4-adda-b42e1495d55a;Ip=[194.138.21.75];Helo=[hybrid.siemens.com] X-MS-Exchange-CrossTenant-AuthSource: VE1EUR01FT036.eop-EUR01.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR10MB3705 On 10.10.22 15:31, Yxian.Yao wrote: > > > During the recent testing on the linux-4.19.89-ipipe-9-xenomai-3.1 (linux-4.19.89, ipipe-core-4.19.89-x86-9.patch, xenomai 3.1),  > the kernel outputs some exception messages, as follows. > Please give me some hints! Are you using the perf tool here? Also, can you check if the issue persists with a recent dovetail kernel (5.15 or 5.10)? Or are you locked into these versions technically? Jan > > Thanks a lot. > > > [ 5228.358085] perf: interrupt took too long (2504 > 2500), lowering kernel.perf_event_max_sample_rate to 79750 > [13323.899759] perf: interrupt took too long (3137 > 3130), lowering kernel.perf_event_max_sample_rate to 63750 > [62540.659725] hrtimer: interrupt took 12379 ns > [63405.661958] perf: interrupt took too long (3927 > 3921), lowering kernel.perf_event_max_sample_rate to 50750 > [131204.150039] perf: interrupt took too long (5012 > 4908), lowering kernel.perf_event_max_sample_rate to 39750 > [166021.881707] BUG: unable to handle kernel paging request at 00000000000a22e8 > [166021.889579] PGD 0 P4D 0  > [166021.892503] Oops: 0000 [#1] PREEMPT SMP PTI > [166021.897268] CPU: 2 PID: 1604 Comm: RunCommandActor Kdump: loaded Tainted: P           O      4.19.89-ipipe-9-xenomai-3.1-20201027 #1 > [166021.910661] Hardware name: Intel Corporation S2600CWR/S2600CWR, BIOS SE5C610.86B.01.01.0022.C2.062820171903 06/28/2017 > [166021.922696] I-pipe domain: Linux > [166021.926394] RIP: a2260:0xffff88866761c560 > [166021.930965] Code: 00 00 00 00 00 00 00 00 00 00 c0 8f 6a 67 86 88 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <01> 00 00 00 00 00 00 00 01 01 00 00 00 00 00 00 02 00 00 00 00 00 > [166021.952016] RSP: 81037f07:00000000000a2260 EFLAGS: ffff88866761c560 ORIG_RAX: ffffffff8111953e > [166021.961726] RAX: 00000000000a2260 RBX: 0000000000000002 RCX: ffffffff828021c0 > [166021.969786] RDX: ffff88866761c560 RSI: 0000000000000000 RDI: 0000000000000000 > [166021.977847] RBP: ffff8886676a4540 R08: 000000000005f3e0 R09: ffffffff811838cb > [166021.985909] R10: ffffffff8117cddc R11: 0000000000000002 R12: ffff8886676a5d08 > [166021.993969] R13: ffffe8f9ff8077d8 R14: ffff8886676a4540 R15: ffffffff811838cb > [166022.002030] FS:  00007f73c6ffd700(0000) GS:ffff888667600000(0000) knlGS:0000000000000000 > [166022.011157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [166022.017666] CR2: 00000000000a22e8 CR3: 0000000c29cf8004 CR4: 00000000001606e0 > [166022.025720] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [166022.033781] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > [166022.041843] Call Trace: > [166022.044667] Modules linked in: fuse mod_samo(PO) mod_drxu(PO) mod_stcu(PO) arc4 ecb md4 sha512_ssse3 sha512_generic cmac nls_utf8 cifs ccm dns_resolver fscache intel_rapl sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd cryptd joydev glue_helper intel_cstate mgag200 ttm drm_kms_helper drm fb_sys_fops iTCO_wdt iTCO_vendor_support lpc_ich intel_uncore syscopyarea evdev ipmi_si ipmi_devintf mfd_core mei_me sysfillrect i2c_i801 ipmi_msghandler mxm_wmi intel_rapl_perf snd_pcsp snd_pcm snd_timer snd soundcore sysimgblt ioatdma mei acpi_power_meter wmi button ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 fscrypto dm_mod i40evf atlantic i40e ixgb e1000e e1000 e100 mii vmw_pvscsi vmxnet3 sg sd_mod > [166022.124033]  hid_generic usbhid hid ahci libahci xhci_pci ehci_pci libata xhci_hcd ehci_hcd crc32c_intel igb ixgbe i2c_algo_bit usbcore scsi_mod mdio dca > > [166022.139480] CR2: 00000000000a22e8 > > > > > [184723.509341] BUG: unable to handle kernel paging request at 00000000000a22e8 > [184723.516418] BUG: unable to handle kernel paging request at 0000000000048044 > [184723.523453] PGD 0 P4D 0  > [184723.526072] Oops: 0010 [#1] PREEMPT SMP PTI > [184723.530336] CPU: 2 PID: 4763 Comm: RunCommandActor Kdump: loaded Tainted: P           O      4.19.89-ipipe-9-xenomai-3.1-20201027 #1 > [184723.542312] Hardware name: Supermicro Kontron C612XS1/Kontron C612XS1, BIOS 2.0a.V2 07/04/2021 > [184723.550996] I-pipe domain: Linux > [184723.554308] RIP: 0010:0x48044 > [184723.557360] Code: Bad RIP value. > [184723.560669] RSP: 0018:ffff88885fa03ed0 EFLAGS: 00051046 > [184723.565972] RAX: ffff88885fa5f3e0 RBX: ffffffffa07ed4a8 RCX: ffff88885f8a4540 > [184723.573184] RDX: 0000000000000000 RSI: ffffffff81e0f0a7 RDI: 000000000000000b > [184723.580394] RBP: 0000000000000000 R08: 0000000000000002 R09: 0000000000000a7e > [184723.587604] R10: 000000000000000f R11: ffffffff825b1eee R12: dead000000000200 > [184723.594815] R13: dead000000000100 R14: ffffffffa07ed480 R15: ffffc90003b5fa40 > [184723.602028] FS:  00007f4ad57fa700(0000) GS:ffff88885fa00000(0000) knlGS:0000000000000000 > [184723.610190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [184723.616014] CR2: 000000000004801a CR3: 0000000813a66001 CR4: 00000000001606e0 > [184723.623225] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [184723.630435] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > [184723.637645] Call Trace: > [184723.640178]   > [184723.642277]  ? xnthread_switch_fpu+0x21/0x30 > [184723.646636]  ? ___xnsched_run.part.68+0x1fb/0x460 > [184723.651426]  ? xnintr_core_clock_handler+0x20d/0x310 > [184723.656471]  ? ___xnsched_run.part.68+0x120/0x460 > [184723.661257]  ? __ipipe_dispatch_irq+0x120/0x1b0 > [184723.665876]  ? __ipipe_handle_irq+0x67/0x1e0 > [184723.670226]  ? common_interrupt+0xf/0x2c > [184723.674229]   > [184723.676412] WARNING: stack recursion on stack type 2 > [184723.676413] Modules linked in: mod_daconrt(PO) mod_daco(PO) mod_pgcu(PO) mod_tsmu(PO) mod_scc(PO) fuse arc4 ecb md4 sha512_ssse3 sha512_generic cmac nls_utf8 cifs ccm dns_resolver fscache intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd cryptd glue_helper intel_cstate intel_uncore intel_rapl_perf snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support joydev snd_hda_intel ast evdev snd_hda_codec ttm snd_pcsp drm_kms_helper i2c_i801 snd_hda_core drm snd_hwdep fb_sys_fops syscopyarea sysfillrect snd_pcm sysimgblt snd_timer snd lpc_ich soundcore mfd_core wmi ipmi_si ipmi_devintf ipmi_msghandler button ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 fscrypto dm_mod > [184723.752393]  hid_generic usbhid hid i40evf atlantic ixgbe mdio ixgb e1000e e1000 e100 mii vmw_pvscsi vmxnet3 sg sd_mod ahci xhci_pci libahci ehci_pci libata igb ehci_hcd i2c_algo_bit xhci_hcd scsi_mod dca crc32c_intel usbcore i40e [last unloaded: mod_scc] > [184723.775041] CR2: 0000000000048044 -- Siemens AG, Technology Competence Center Embedded Linux