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Description of problem: Additional info: reporter: libreport-2.6.4 WARNING: CPU: 0 PID: 811 at include/linux/kref.h:46 drm_framebuffer_reference+0x64/0x70 [drm]() Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache ccm snd_hda_codec_hdmi bnep ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 snd_hda_codec_realtek nf_defrag_ipv4 snd_hda_codec_generic xt_conntrack nf_conntrack arc4 iTCO_wdt iTCO_vendor_support intel_rapl coretemp kvm_intel kvm iwlmvm mac80211 irqbypass crct10dif_pclmul i915 crc32_pclmul iwlwifi vfat fat cfg80211 btusb snd_intel_sst_acpi snd_intel_sst_core btrtl btbcm btintel mei_txe snd_hda_intel mei snd_soc_rt5670 bluetooth snd_hda_codec snd_soc_sst_mfld_platform i2c_i801 snd_soc_rl6231 snd_hda_core snd_soc_core snd_hwdep shpchp lpc_ich i2c_algo_bit ir_xmp_decoder dw_dmac_pci ir_lirc_codec i2c_designware_pci lirc_dev ir_mce_kbd_decoder drm_kms_helper ir_sharp_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder snd_compress ir_rc5_decoder snd_pcm_dmaengine ac97_bus ir_nec_decoder snd_seq drm snd_seq_device rc_rc6_mce snd_pcm iosf_mbi ite_cir rc_core snd_timer rfkill_gpio dw_dmac video dw_dmac_core snd rfkill i2c_designware_platform soc_button_array spi_pxa2xx_platform i2c_designware_core soundcore tpm_tis tpm acpi_pad nfsd auth_rpcgss nfs_acl lockd grace sunrpc xfs libcrc32c crc32c_intel r8169 serio_raw mii sdhci_pci sdhci_acpi sdhci mmc_core i2c_hid fjes CPU: 0 PID: 811 Comm: Xorg Not tainted 4.4.5-300.fc23.x86_64 #1 Hardware name: /NUC5PPYB, BIOS PYBSWCEL.86A.0031.2015.0601.1712 06/01/2015 0000000000000286 00000000eab51496 ffff88005c113948 ffffffff813b54ae 0000000000000000 ffffffffa0367cef ffff88005c113980 ffffffff810a40f2 ffff880179b4b300 ffff88004c998180 ffff88004c998180 ffff88001fdf7400 Call Trace: [<ffffffff813b54ae>] dump_stack+0x63/0x85 [<ffffffff810a40f2>] warn_slowpath_common+0x82/0xc0 [<ffffffff810a423a>] warn_slowpath_null+0x1a/0x20 [<ffffffffa0342714>] drm_framebuffer_reference+0x64/0x70 [drm] [<ffffffffa03546ad>] drm_atomic_set_fb_for_plane+0x2d/0x90 [drm] [<ffffffffa03be16e>] __drm_atomic_helper_set_config+0xde/0x3c0 [drm_kms_helper] [<ffffffffa03bf091>] restore_fbdev_mode+0x221/0x260 [drm_kms_helper] [<ffffffffa03c1273>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper] [<ffffffffa03c12ed>] drm_fb_helper_set_par+0x2d/0x50 [drm_kms_helper] [<ffffffffa07293ba>] intel_fbdev_set_par+0x1a/0x60 [i915] [<ffffffff8142e676>] fb_set_var+0x236/0x460 [<ffffffff813c6bf9>] ? flex_array_get_ptr+0x9/0x20 [<ffffffff81350ad5>] ? type_attribute_bounds_av+0x65/0x2e0 [<ffffffff813c6bf9>] ? flex_array_get_ptr+0x9/0x20 [<ffffffff81350ad5>] ? type_attribute_bounds_av+0x65/0x2e0 [<ffffffff81339c27>] ? avc_alloc_node+0x27/0x120 [<ffffffff814247ff>] fbcon_blank+0x30f/0x350 [<ffffffff81339c27>] ? avc_alloc_node+0x27/0x120 [<ffffffff814ab653>] do_unblank_screen+0xd3/0x1a0 [<ffffffff814a0dba>] vt_ioctl+0x50a/0x12e0 [<ffffffff814945c6>] tty_ioctl+0x356/0xc10 [<ffffffff8133fc7c>] ? selinux_file_ioctl+0x10c/0x1c0 [<ffffffff81241248>] do_vfs_ioctl+0x298/0x480 [<ffffffff8122fd7e>] ? ____fput+0xe/0x10 [<ffffffff81337533>] ? security_file_ioctl+0x43/0x60 [<ffffffff812414a9>] SyS_ioctl+0x79/0x90 [<ffffffff817a052e>] entry_SYSCALL_64_fastpath+0x12/0x71
Created attachment 1142916 [details] File: dmesg
*** Bug 1325413 has been marked as a duplicate of this bug. ***
*** Bug 1334879 has been marked as a duplicate of this bug. ***
*** Bug 1342523 has been marked as a duplicate of this bug. ***
*** Bug 1344579 has been marked as a duplicate of this bug. ***
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Fedora 23 changed to end-of-life (EOL) status on 2016-12-20. Fedora 23 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.