Created attachment 297985 [details] dmesg with bug Hi Kernel Team, I notice this: [ 267.928616] general protection fault, probably for non-canonical address 0xed84e71d57f738be: 0000 [#1] PREEMPT SMP NOPTI [ 267.928632] CPU: 1 PID: 2995 Comm: TC2.2.8.sh Not tainted 5.13.4-1-vanilla #1 [ 267.928637] Hardware name: OnLogic RXM-181/RXM-181, BIOS Z01-0001A031 05/11/2020 [ 267.928641] RIP: 0010:snd_soc_tplg_component_remove+0x8f/0x290 [snd_soc_core] [ 267.928673] Code: 00 49 8b 44 24 10 49 8b 54 24 08 48 89 42 08 48 89 10 48 b8 00 01 00 00 00 00 ad de 49 89 44 24 08 48 83 c0 22 49 89 44 24 10 <49> 8b 47 08 49 8d 57 08 4d 89 fc 48 83 e8 08 48 39 d3 0f 84 b4 01 [ 267.928681] RSP: 0018:ffffa84780ab7ae0 EFLAGS: 00010206 [ 267.928686] RAX: ed84e71d57f738b6 RBX: ffff9ca2d41f00c8 RCX: ffffffffc0dda598 [ 267.928690] RDX: 0000000000000004 RSI: 0000000000000001 RDI: ffff9ca2d41f0018 [ 267.928694] RBP: ffffa84780ab7b18 R08: 0000000000000000 R09: ffffa84780ab7a50 [ 267.928697] R10: 0000000000000000 R11: ffff9ca2c70363c8 R12: ffff9ca2c2e6f8b8 [ 267.928701] R13: ffff9ca2d41f0018 R14: 0000000000000008 R15: ed84e71d57f738b6 [ 267.928704] FS: 00007fac8e07a740(0000) GS:ffff9caa0c440000(0000) knlGS:0000000000000000 [ 267.928709] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 267.928713] CR2: 000055e91e312750 CR3: 0000000106cf6002 CR4: 00000000003706e0 [ 267.928717] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 267.928720] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 267.928724] Call Trace: [ 267.928730] sof_pcm_remove+0xe/0x10 [snd_sof] [ 267.928743] snd_soc_component_remove+0x18/0x20 [snd_soc_core] [ 267.928771] soc_remove_component+0x96/0xa0 [snd_soc_core] [ 267.928793] soc_cleanup_card_resources+0xbb/0x2e0 [snd_soc_core] [ 267.928815] snd_soc_del_component_unlocked+0x134/0x170 [snd_soc_core] [ 267.928837] snd_soc_unregister_component_by_driver+0x3b/0x50 [snd_soc_core] [ 267.928859] devm_component_release+0x11/0x20 [snd_soc_core] [ 267.928887] release_nodes+0x1a4/0x1f0 [ 267.928896] devres_release_group+0x7c/0xb0 [ 267.928901] component_del+0xb0/0x140 [ 267.928907] intel_audio_deinit+0x3c/0x50 [i915] [ 267.929031] intel_display_driver_unregister+0x25/0x50 [i915] [ 267.929144] i915_driver_remove+0x43/0x100 [i915] [ 267.929217] i915_pci_remove+0x1e/0x30 [i915] [ 267.929290] pci_device_remove+0x3b/0xb0 [ 267.929296] __device_release_driver+0x17e/0x240 [ 267.929302] device_driver_detach+0x41/0xa0 [ 267.929307] unbind_store+0x11e/0x130 [ 267.929312] drv_attr_store+0x21/0x30 [ 267.929316] sysfs_kf_write+0x3c/0x50 [ 267.929321] kernfs_fop_write_iter+0x138/0x1d0 [ 267.929327] new_sync_write+0x111/0x1a0 [ 267.929333] vfs_write+0x1eb/0x280 [ 267.929338] ksys_write+0x67/0xe0 [ 267.929343] __x64_sys_write+0x1a/0x20 [ 267.929348] do_syscall_64+0x40/0xb0 [ 267.929353] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 267.929360] RIP: 0033:0x7fac8e167644 [ 267.929365] Code: 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b3 0f 1f 80 00 00 00 00 48 8d 05 b9 60 0d 00 8b 00 85 c0 75 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 41 54 49 89 d4 55 48 89 f5 53 [ 267.929372] RSP: 002b:00007fff458bbd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 267.929378] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fac8e167644 [ 267.929382] RDX: 000000000000000c RSI: 0000000001172a10 RDI: 0000000000000001 [ 267.929385] RBP: 0000000001172a10 R08: 00007fac8e23a8c0 R09: 00007fac8e07a740 [ 267.929389] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac8e239760 [ 267.929392] R13: 000000000000000c R14: 00007fac8e234760 R15: 000000000000000c [ 267.929398] Modules linked in: pci_stub bluetooth ecdh_generic ecc cfg80211 st input_leds joydev snd_soc_skl_hda_dsp snd_soc_hdac_hdmi snd_hda_codec_hdmi snd_soc_dmic snd_hda_codec_realtek intel_rapl_msr snd_hda_codec_generic nls_iso8859_1 mei_hdcp snd_sof_pci_intel_cnl snd_sof_intel_hda_common snd_soc_hdac_hda soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci intel_rapl_common snd_sof_xtensa_dsp x86_pkg_temp_thermal intel_powerclamp coretemp snd_sof kvm_intel snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi soundwire_bus cdc_acm ledtrig_audio snd_soc_core kvm snd_compress ac97_bus snd_pcm_dmaengine crct10dif_pclmul snd_hda_intel snd_intel_dspcfg crc32_pclmul snd_intel_sdw_acpi ghash_clmulni_intel aesni_intel snd_hda_codec crypto_simd cryptd rapl intel_cstate snd_hda_core snd_hwdep snd_pcm snd_timer pcspkr wmi_bmof intel_wmi_thunderbolt mei_me efi_pstore snd soundcore 8250_dw ee1004 mei intel_pch_thermal mac_hid acpi_pad acpi_tad [ 267.929453] binfmt_misc ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress usbkbd raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbmouse usbhid hid i915 drm_kms_helper syscopyarea sysfillrect e1000e sysimgblt igb fb_sys_fops ahci cec xhci_pci intel_lpss_pci nvme intel_lpss rc_core idma64 i2c_i801 dca drm i2c_smbus nvme_core i2c_algo_bit libahci xhci_pci_renesas virt_dma wmi video pinctrl_cannonlake [ 267.929525] fbcon: Taking over console [ 267.929551] ---[ end trace a6964a558f492176 ]--- [ 267.930799] ------------[ cut here ]------------ [ 267.930802] WARNING: CPU: 1 PID: 2995 at kernel/rcu/tree_plugin.h:359 rcu_note_context_switch+0x48/0x470 [ 267.930814] Modules linked in: pci_stub bluetooth ecdh_generic ecc cfg80211 st input_leds joydev snd_soc_skl_hda_dsp snd_soc_hdac_hdmi snd_hda_codec_hdmi snd_soc_dmic snd_hda_codec_realtek intel_rapl_msr snd_hda_codec_generic nls_iso8859_1 mei_hdcp snd_sof_pci_intel_cnl snd_sof_intel_hda_common snd_soc_hdac_hda soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci intel_rapl_common snd_sof_xtensa_dsp x86_pkg_temp_thermal intel_powerclamp coretemp snd_sof kvm_intel snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi soundwire_bus cdc_acm ledtrig_audio snd_soc_core kvm snd_compress ac97_bus snd_pcm_dmaengine crct10dif_pclmul snd_hda_intel snd_intel_dspcfg crc32_pclmul snd_intel_sdw_acpi ghash_clmulni_intel aesni_intel snd_hda_codec crypto_simd cryptd rapl intel_cstate snd_hda_core snd_hwdep snd_pcm snd_timer pcspkr wmi_bmof intel_wmi_thunderbolt mei_me efi_pstore snd soundcore 8250_dw ee1004 mei intel_pch_thermal mac_hid acpi_pad acpi_tad [ 267.930863] binfmt_misc ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress usbkbd raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbmouse usbhid hid i915 drm_kms_helper syscopyarea sysfillrect e1000e sysimgblt igb fb_sys_fops ahci cec xhci_pci intel_lpss_pci nvme intel_lpss rc_core idma64 i2c_i801 dca drm i2c_smbus nvme_core i2c_algo_bit libahci xhci_pci_renesas virt_dma wmi video pinctrl_cannonlake [ 267.930936] CPU: 1 PID: 2995 Comm: TC2.2.8.sh Tainted: G D 5.13.4-1-vanilla #1 [ 267.930942] Hardware name: OnLogic RXM-181/RXM-181, BIOS Z01-0001A031 05/11/2020 [ 267.930946] RIP: 0010:rcu_note_context_switch+0x48/0x470 [ 267.930955] Code: c3 00 de 02 00 65 48 03 1d 95 15 4e 62 0f 1f 44 00 00 45 84 e4 75 15 65 48 8b 04 25 c0 7b 01 00 8b 90 d4 07 00 00 85 d2 7e 02 <0f> 0b 65 48 8b 04 25 c0 7b 01 00 8b 80 d4 07 00 00 85 c0 7e 0a 41 [ 267.930963] RSP: 0018:ffffa84780ab74c0 EFLAGS: 00010002 [ 267.930968] RAX: ffff9ca2c52bd000 RBX: ffff9caa0c46de00 RCX: 0000000000000000 [ 267.930972] RDX: 0000000000000001 RSI: ffffffff9e645d58 RDI: 0000000000000000 [ 267.930977] RBP: ffffa84780ab74e0 R08: 0000000000000001 R09: ffff9caa0c42d170 [ 267.930981] R10: 0000000000000001 R11: 0000000000000370 R12: 0000000000000000 [ 267.930984] R13: 000000000002d040 R14: ffff9ca2c52bd000 R15: ffff9ca2e138e000 [ 267.930989] FS: 00007fac8e07a740(0000) GS:ffff9caa0c440000(0000) knlGS:0000000000000000 [ 267.930995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 267.930999] CR2: 000055e91e312750 CR3: 0000000106cf6002 CR4: 00000000003706e0 [ 267.931003] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 267.931007] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 267.931012] Call Trace: [ 267.931016] __schedule+0xbb/0x920 [ 267.931023] ? ttwu_do_activate+0x6e/0xc0 [ 267.931030] schedule+0x68/0xe0 [ 267.931036] schedule_timeout+0x117/0x160 [ 267.931042] ? wake_up_process+0x15/0x20 [ 267.931047] ? insert_work+0x71/0x80 [ 267.931054] wait_for_completion+0x8b/0xf0 [ 267.931061] virt_efi_query_variable_info+0x146/0x160 [ 267.931068] efi_query_variable_store+0x50/0x180 [ 267.931073] ? vsnprintf+0x71/0x4e0 [ 267.931081] efivar_entry_set_safe+0xba/0x210 [ 267.931091] efi_pstore_write+0x106/0x190 [efi_pstore] [ 267.931099] pstore_dump+0x113/0x340 [ 267.931107] kmsg_dump+0x4b/0x70 [ 267.931114] oops_exit+0x56/0x60 [ 267.931118] oops_end+0x61/0xd0 [ 267.931125] die_addr+0x51/0x60 [ 267.931130] exc_general_protection+0x1d7/0x3b0 [ 267.931137] asm_exc_general_protection+0x1e/0x30 [ 267.931144] RIP: 0010:snd_soc_tplg_component_remove+0x8f/0x290 [snd_soc_core] [ 267.931178] Code: 00 49 8b 44 24 10 49 8b 54 24 08 48 89 42 08 48 89 10 48 b8 00 01 00 00 00 00 ad de 49 89 44 24 08 48 83 c0 22 49 89 44 24 10 <49> 8b 47 08 49 8d 57 08 4d 89 fc 48 83 e8 08 48 39 d3 0f 84 b4 01 [ 267.931186] RSP: 0018:ffffa84780ab7ae0 EFLAGS: 00010206 [ 267.931190] RAX: ed84e71d57f738b6 RBX: ffff9ca2d41f00c8 RCX: ffffffffc0dda598 [ 267.931194] RDX: 0000000000000004 RSI: 0000000000000001 RDI: ffff9ca2d41f0018 [ 267.931197] RBP: ffffa84780ab7b18 R08: 0000000000000000 R09: ffffa84780ab7a50 [ 267.931200] R10: 0000000000000000 R11: ffff9ca2c70363c8 R12: ffff9ca2c2e6f8b8 [ 267.931204] R13: ffff9ca2d41f0018 R14: 0000000000000008 R15: ed84e71d57f738b6 [ 267.931211] sof_pcm_remove+0xe/0x10 [snd_sof] [ 267.931225] snd_soc_component_remove+0x18/0x20 [snd_soc_core] [ 267.931255] soc_remove_component+0x96/0xa0 [snd_soc_core] [ 267.931279] soc_cleanup_card_resources+0xbb/0x2e0 [snd_soc_core] [ 267.931304] snd_soc_del_component_unlocked+0x134/0x170 [snd_soc_core] [ 267.931333] snd_soc_unregister_component_by_driver+0x3b/0x50 [snd_soc_core] [ 267.931360] devm_component_release+0x11/0x20 [snd_soc_core] [ 267.931387] release_nodes+0x1a4/0x1f0 [ 267.931395] devres_release_group+0x7c/0xb0 [ 267.931399] component_del+0xb0/0x140 [ 267.931405] intel_audio_deinit+0x3c/0x50 [i915] [ 267.931524] intel_display_driver_unregister+0x25/0x50 [i915] [ 267.931635] i915_driver_remove+0x43/0x100 [i915] [ 267.931707] i915_pci_remove+0x1e/0x30 [i915] [ 267.931781] pci_device_remove+0x3b/0xb0 [ 267.931786] __device_release_driver+0x17e/0x240 [ 267.931792] device_driver_detach+0x41/0xa0 [ 267.931797] unbind_store+0x11e/0x130 [ 267.931802] drv_attr_store+0x21/0x30 [ 267.931805] sysfs_kf_write+0x3c/0x50 [ 267.931811] kernfs_fop_write_iter+0x138/0x1d0 [ 267.931816] new_sync_write+0x111/0x1a0 [ 267.931822] vfs_write+0x1eb/0x280 [ 267.931827] ksys_write+0x67/0xe0 [ 267.931832] __x64_sys_write+0x1a/0x20 [ 267.931836] do_syscall_64+0x40/0xb0 [ 267.931840] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 267.931847] RIP: 0033:0x7fac8e167644 [ 267.931850] Code: 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b3 0f 1f 80 00 00 00 00 48 8d 05 b9 60 0d 00 8b 00 85 c0 75 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 41 54 49 89 d4 55 48 89 f5 53 [ 267.931857] RSP: 002b:00007fff458bbd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 267.931863] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fac8e167644 [ 267.931866] RDX: 000000000000000c RSI: 0000000001172a10 RDI: 0000000000000001 [ 267.931870] RBP: 0000000001172a10 R08: 00007fac8e23a8c0 R09: 00007fac8e07a740 [ 267.931873] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac8e239760 [ 267.931877] R13: 000000000000000c R14: 00007fac8e234760 R15: 000000000000000c [ 267.931882] ---[ end trace a6964a558f492177 ]--- [ 319.236482] RIP: 0010:snd_soc_tplg_component_remove+0x8f/0x290 [snd_soc_core] [ 319.236563] Code: 00 49 8b 44 24 10 49 8b 54 24 08 48 89 42 08 48 89 10 48 b8 00 01 00 00 00 00 ad de 49 89 44 24 08 48 83 c0 22 49 89 44 24 10 <49> 8b 47 08 49 8d 57 08 4d 89 fc 48 83 e8 08 48 39 d3 0f 84 b4 01 [ 319.236573] RSP: 0018:ffffa84780ab7ae0 EFLAGS: 00010206 [ 319.236579] RAX: ed84e71d57f738b6 RBX: ffff9ca2d41f00c8 RCX: ffffffffc0dda598 [ 319.236583] RDX: 0000000000000004 RSI: 0000000000000001 RDI: ffff9ca2d41f0018 [ 319.236588] RBP: ffffa84780ab7b18 R08: 0000000000000000 R09: ffffa84780ab7a50 [ 319.236592] R10: 0000000000000000 R11: ffff9ca2c70363c8 R12: ffff9ca2c2e6f8b8 [ 319.236596] R13: ffff9ca2d41f0018 R14: 0000000000000008 R15: ed84e71d57f738b6 [ 319.236600] FS: 00007fac8e07a740(0000) GS:ffff9caa0c400000(0000) knlGS:0000000000000000 [ 319.236605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 319.236609] CR2: 00007fff71e0a000 CR3: 0000000106cf6002 CR4: 00000000003706f0 [ 319.236614] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 319.236618] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Step for reproduce: BOOT_IMAGE=/vmlinuz-5.13.4-1-vanilla root=UUID=ac59dee0-90a4-4d34-8518-acbb7c28b7cc ro splash quiet intel_iommu=on Step 1. # systemctl stop lightdm # modprobe pci-stub # CONTROLLER="00:02.0" # VENDOR=$(lspci -s $CONTROLLER -nD | awk '{ print $3 }' | cut -d: -f1) # PRODUCT=$(lspci -s $CONTROLLER -nD | awk '{ print $3 }' | cut -d: -f2) # KERNEL_MODULE=$(lspci -s $CONTROLLER -k | grep Kernel | head -2 | tail -1 | cut -d: -f2 | cut -d' ' -f2) # echo -n "$VENDOR $PRODUCT" > /sys/bus/pci/drivers/pci-stub/new_id # echo -n "0000:$CONTROLLER" > /sys/bus/pci/devices/0000:$CONTROLLER/driver/unbind Segmentation fault Step 2. #echo 1 > /sys/bus/pci/devices/0000:$CONTROLLER/remove This command does not complete, it remains stuck in the terminal. I try to reboot with the "reboot" command, but it doesn't work, the system gets stuck in an incomplete state.