Description of problem: I can't use my laptop's camera for quite some time, maybe since 4.16/4.17. Any program that tries to use the camera can't. Additional info: reporter: libreport-2.9.5 WARNING: CPU: 3 PID: 4278 at fs/sysfs/group.c:235 sysfs_remove_group+0x76/0x80 Modules linked in: tun ccm fuse rfcomm ipt_MASQUERADE nf_conntrack_netlink xt_addrtype br_netfilter overlay 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 arc4 vfat fat ath10k_pci ath10k_core mac80211 snd_soc_skl snd_hda_codec_hdmi intel_rapl snd_soc_skl_ipc snd_soc_sst_ipc x86_pkg_temp_thermal intel_powerclamp snd_soc_sst_dsp coretemp snd_hda_ext_core snd_soc_acpi kvm_intel snd_soc_core snd_hda_codec_realtek snd_hda_codec_generic uvcvideo ath snd_compress ac97_bus btusb kvm btrtl videobuf2_vmalloc btbcm videobuf2_memops snd_pcm_dmaengine btintel iTCO_wdt videobuf2_v4l2 cfg80211 snd_hda_intel iTCO_vendor_support videobuf2_common bluetooth wmi_bmof snd_hda_codec input_polldev intel_wmi_thunderbolt videodev irqbypass crct10dif_pclmul crc32_pclmul snd_hda_core ghash_clmulni_intel snd_hwdep snd_seq intel_cstate intel_uncore media snd_seq_device snd_pcm intel_rapl_perf joydev mei_me snd_timer ecdh_generic snd mei soundcore i2c_i801 intel_pch_thermal ideapad_laptop sparse_keymap rfkill wmi acpi_pad pinctrl_sunrisepoint pinctrl_intel pcc_cpufreq binfmt_misc i915 i2c_algo_bit drm_kms_helper drm nvme crc32c_intel nvme_core serio_raw video CPU: 3 PID: 4278 Comm: V4L2CaptureThre Not tainted 4.18.5-200.fc28.x86_64 #1 Hardware name: LENOVO 80VQ/Lenovo ideapad 710S-13IKB, BIOS 3HCN25WW 06/20/2018 RIP: 0010:sysfs_remove_group+0x76/0x80 Code: 48 89 df 5b 5d 41 5c e9 c8 c0 ff ff 48 89 df e8 a0 c0 ff ff eb cb 49 8b 14 24 48 8b 75 00 48 c7 c7 90 8e 0e 8e e8 84 67 d7 ff <0f> 0b 5b 5d 41 5c c3 0f 1f 00 0f 1f 44 00 00 41 56 41 55 41 54 55 RSP: 0018:ffffa3a787187d58 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000006 RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff93283f596930 RBP: ffffffff8deaedc0 R08: 0000000000000044 R09: 0000000000000004 R10: 0000000000000000 R11: 0000000000000001 R12: ffff9328279d0cb8 R13: ffff9328252b2b90 R14: ffff9328257d7d80 R15: ffff93282b8b2758 FS: 00007f4875b00700(0000) GS:ffff93283f580000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb559288014 CR3: 00000002ef8c6002 CR4: 00000000003606e0 Call Trace: device_del+0x56/0x350 cdev_device_del+0x15/0x30 evdev_disconnect+0x25/0x60 __input_unregister_device+0xb8/0x170 input_unregister_device+0x41/0x60 uvc_delete+0x1f/0x170 [uvcvideo] device_release+0x30/0x90 kobject_put+0x85/0x1a0 v4l2_release+0x50/0x60 [videodev] __fput+0xae/0x220 task_work_run+0x84/0xa0 exit_to_usermode_loop+0xce/0xd0 do_syscall_64+0x14d/0x160 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f4895242b27 Code: 00 00 0f 05 48 3d 00 f0 ff ff 77 3f c3 66 0f 1f 44 00 00 53 89 fb 48 83 ec 10 e8 c4 fb ff ff 89 df 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2b 89 d7 89 44 24 0c e8 06 fc ff ff 8b 44 24 RSP: 002b:00007f4875aff520 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000019 RCX: 00007f4895242b27 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000019 RBP: 00007f4875aff680 R08: 0000000000000000 R09: 00001dde31b004c0 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f4875aff8b0 R14: 00001dde31bd8c00 R15: 00001dde31bcedc0
Created attachment 1482941 [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.