Description of problem: Thunderbolt dock not being recognized in Linux. Was working a minute ago. Unplugged it and got an error Additional info: reporter: libreport-2.9.5 kernel BUG at mm/slub.c:296! invalid opcode: 0000 [#1] SMP PTI CPU: 4 PID: 1721 Comm: kworker/4:3 Not tainted 4.18.10-200.fc28.x86_64 #1 Hardware name: Dell Inc. Precision 5530/0F8T29, BIOS 1.4.1 08/31/2018 Workqueue: events drm_dp_destroy_connector_work [drm_kms_helper] RIP: 0010:__slab_free+0x1eb/0x3d0 Code: 89 4c 24 28 e8 d6 fb ff ff 4c 8b 54 24 28 44 8b 5c 24 20 85 c0 0f 85 5a fe ff ff 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b 49 3b 54 24 28 75 ab 49 8b 44 24 08 49 89 5c 24 20 49 89 4c RSP: 0018:ffffb4e942ebfd40 EFLAGS: 00010246 RAX: ffff929c28c74a80 RBX: ffff929c28c74a80 RCX: ffff929c28c74a80 RDX: 0000000080800078 RSI: ffffd705d1a31d00 RDI: ffff929c2b803980 RBP: ffffb4e942ebfdd8 R08: 0000000000000001 R09: ffffffff86702e4f R10: ffff929c28c74a80 R11: 0000000000000001 R12: ffffd705d1a31d00 R13: ffff929c28c74a80 R14: ffff929c2b803980 R15: dead000000000100 FS: 0000000000000000(0000) GS:ffff929c2bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f307ab48fe0 CR3: 00000002a420a002 CR4: 00000000003606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ? set_gbl_term_list+0x10/0x10 ? acpi_os_signal_semaphore+0x28/0x40 ? acpi_ut_release_mutex+0x6f/0x74 ? acpi_get_data_full+0x7e/0x90 i2c_acpi_remove_space_handler+0x8f/0xa0 i2c_del_adapter+0xa5/0x300 drm_dp_destroy_connector_work+0xc4/0x180 [drm_kms_helper] process_one_work+0x1a1/0x350 worker_thread+0x30/0x380 ? pwq_unbound_release_workfn+0xd0/0xd0 kthread+0x112/0x130 ? kthread_create_worker_on_cpu+0x70/0x70 ret_from_fork+0x35/0x40 Modules linked in: fuse rfcomm xt_CHECKSUM ipt_MASQUERADE tun nf_conntrack_netbios_ns nf_conntrack_broadcast devlink xt_CT ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep sunrpc vfat fat squashfs zstd_decompress xxhash loop arc4 snd_hda_codec_hdmi hid_multitouch dell_rbtn iTCO_wdt intel_rapl iTCO_vendor_support x86_pkg_temp_thermal intel_powerclamp coretemp ath10k_pci kvm_intel snd_hda_codec_realtek snd_hda_codec_generic ath10k_core mei_wdt kvm mac80211 snd_hda_intel irqbypass dell_laptop crct10dif_pclmul crc32_pclmul snd_hda_codec dell_smm_hwmon ghash_clmulni_intel intel_cstate uvcvideo intel_uncore snd_hda_core btusb intel_rapl_perf videobuf2_vmalloc btrtl videobuf2_memops btbcm videobuf2_v4l2 ath btintel snd_hwdep dell_wmi bluetooth snd_seq videobuf2_common cfg80211 dell_smbios snd_seq_device videodev dcdbas intel_wmi_thunderbolt snd_pcm media wmi_bmof dell_wmi_descriptor joydev idma64 snd_timer snd soundcore ecdh_generic i2c_i801 thunderbolt rfkill rtsx_pci_ms mei_me memstick mei ucsi_acpi typec_ucsi intel_lpss_pci processor_thermal_device intel_lpss typec intel_soc_dts_iosf intel_pch_thermal int3403_thermal int340x_thermal_zone dell_smo8800 int3400_thermal pcc_cpufreq intel_hid acpi_pad acpi_thermal_rel sparse_keymap nouveau i915 hid_logitech_hidpp ttm i2c_algo_bit drm_kms_helper rtsx_pci_sdmmc nvme mmc_core mxm_wmi drm crc32c_intel nvme_core rtsx_pci serio_raw hid_logitech_dj i2c_hid video wmi
Created attachment 1489494 [details] File: dmesg
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There are a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 28 kernel bugs. Fedora 28 has now been rebased to 4.20.5-100.fc28. Please test this kernel update (or newer) and let us know if you issue has been resolved or if it is still present with the newer kernel. If you have moved on to Fedora 29, and are still experiencing this issue, please change the version to Fedora 29. If you experience different issues, please open a new bug report for those.
*********** MASS BUG UPDATE ************** This bug is being closed with INSUFFICIENT_DATA as there has not been a response in 3 weeks. If you are still experiencing this issue, please reopen and attach the relevant data from the latest kernel you are running and any data that might have been requested previously.