Feb 27 23:36:52 x1carbon.localdomain kernel: ------------[ cut here ]------------ Feb 27 23:36:52 x1carbon.localdomain kernel: kernel BUG at drivers/gpu/drm/i915/i915_gem.c:4257! Feb 27 23:36:52 x1carbon.localdomain kernel: invalid opcode: 0000 [#1] SMP Feb 27 23:36:52 x1carbon.localdomain kernel: Modules linked in: ccm xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack bnep ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_raw ip6table_mangle ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_security ip6table_filter ip6_tables iptable_raw iptable_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_security snd_hda_codec_hdmi intel_rapl iosf_mbi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal arc4 coretemp iTCO_wdt iTCO_vendor_support snd_hda_controller kvm_intel iwldvm snd_hda_codec mac80211 snd_hwdep kvm vfat fat btusb bluetooth snd_seq snd_seq_device crct10dif_pclmul Feb 27 23:36:52 x1carbon.localdomain kernel: crc32_pclmul crc32c_intel uvcvideo iwlwifi videobuf2_vmalloc videobuf2_core videobuf2_memops ghash_clmulni_intel v4l2_common snd_pcm cfg80211 videodev serio_raw media lpc_ich i2c_i801 mfd_core snd_timer thinkpad_acpi cdc_acm wmi tpm_tis mei_me tpm mei snd soc_button_array rfkill shpchp soundcore nfsd auth_rpcgss nfs_acl lockd grace sunrpc i915 cdc_mbim cdc_ncm usbnet mii cdc_wdm i2c_algo_bit drm_kms_helper drm sdhci_pci sdhci mmc_core video Feb 27 23:36:52 x1carbon.localdomain kernel: CPU: 1 PID: 782 Comm: systemd-logind Tainted: G W 4.0.0-0.rc1.git0.1.fc23.x86_64 #1 Feb 27 23:36:52 x1carbon.localdomain kernel: Hardware name: LENOVO 3444FHG/3444FHG, BIOS G6ETA6WW (2.66 ) 05/28/2014 Feb 27 23:36:52 x1carbon.localdomain kernel: task: ffff8802127d6ca0 ti: ffff8800d4c00000 task.ti: ffff8800d4c00000 Feb 27 23:36:52 x1carbon.localdomain kernel: RIP: 0010:[<ffffffffa01186ea>] [<ffffffffa01186ea>] i915_gem_object_ggtt_unpin+0xca/0xd0 [i915] Feb 27 23:36:52 x1carbon.localdomain kernel: RSP: 0018:ffff8800d4c03780 EFLAGS: 00010246 Feb 27 23:36:52 x1carbon.localdomain kernel: RAX: ffff8801fbcb3c00 RBX: ffff880210c5cfc0 RCX: ffff8801fbcb3c00 Feb 27 23:36:52 x1carbon.localdomain kernel: RDX: 00000000ffffffff RSI: ffff88003ff07e70 RDI: ffff880210c5cfc0 Feb 27 23:36:52 x1carbon.localdomain kernel: RBP: ffff8800d4c03780 R08: ffff880210c5d080 R09: 0000000000000000 Feb 27 23:36:52 x1carbon.localdomain kernel: R10: ffffffff81f17be4 R11: 0000000000029088 R12: ffff880210c5cfc0 Feb 27 23:36:52 x1carbon.localdomain kernel: R13: ffffffffa01a7f60 R14: ffff8800d524e000 R15: ffff8800d23cd300 Feb 27 23:36:52 x1carbon.localdomain kernel: FS: 00007ff1621f78c0(0000) GS:ffff88021e240000(0000) knlGS:0000000000000000 Feb 27 23:36:52 x1carbon.localdomain kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Feb 27 23:36:52 x1carbon.localdomain kernel: CR2: 00007fd573fffa08 CR3: 00000000d48bb000 CR4: 00000000001407e0 Feb 27 23:36:52 x1carbon.localdomain kernel: Stack: Feb 27 23:36:52 x1carbon.localdomain kernel: ffff8800d4c03798 ffffffffa0118702 ffff880210c5cfc0 ffff8800d4c037b8 Feb 27 23:36:52 x1carbon.localdomain kernel: ffffffffa01544cd ffff8800d4c037b8 ffff880212202060 ffff8800d4c037d8 Feb 27 23:36:52 x1carbon.localdomain kernel: ffffffffa016088d ffff880211c72000 ffff8800d23cd300 ffff8800d4c03858 Feb 27 23:36:52 x1carbon.localdomain kernel: Call Trace: Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffffa0118702>] i915_gem_object_unpin_from_display_plane+0x12/0x90 [i915] Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffffa01544cd>] intel_unpin_fb_obj+0x2d/0x60 [i915] Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffffa016088d>] intel_cleanup_plane_fb+0x3d/0x80 [i915] Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffffa00bc8be>] drm_plane_helper_commit+0x1fe/0x300 [drm_kms_helper] Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffffa00bca5a>] drm_plane_helper_update+0x9a/0xf0 [drm_kms_helper] Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffffa0160396>] intel_crtc_set_config+0xdb6/0x1010 [i915] Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffffa0060056>] drm_mode_set_config_internal+0x66/0x100 [drm] Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffffa00c5738>] restore_fbdev_mode+0xc8/0xf0 [drm_kms_helper] Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffffa00c7789>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper] Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffffa00c7802>] drm_fb_helper_set_par+0x22/0x50 [drm_kms_helper] Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffffa016fa8a>] intel_fbdev_set_par+0x1a/0x60 [i915] Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff8141eca9>] ? cfb_imageblit+0x519/0x540 Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff81417b06>] fb_set_var+0x236/0x480 Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff810d3cbc>] ? update_curr+0x5c/0x160 Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff8140d60c>] fbcon_blank+0x34c/0x390 Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff81411b30>] ? bit_clear+0x120/0x120 Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff814944da>] do_unblank_screen+0xda/0x1d0 Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff81488b2d>] complete_change_console+0x5d/0xf0 Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff81489fcb>] vt_ioctl+0x140b/0x1430 Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff8147be01>] tty_ioctl+0x3f1/0xc30 Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff8132a698>] ? avc_has_perm+0x128/0x1a0 Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff81235056>] do_vfs_ioctl+0x2c6/0x4d0 Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff812352e1>] SyS_ioctl+0x81/0xa0 Feb 27 23:36:52 x1carbon.localdomain kernel: [<ffffffff81786029>] system_call_fastpath+0x12/0x17 Feb 27 23:36:52 x1carbon.localdomain kernel: Code: 41 83 e1 f0 83 e2 0f 41 09 d1 84 d2 44 88 88 c0 00 00 00 75 07 80 a7 19 01 00 00 7f 5d c3 0f 1f 00 0f 0b 66 0f 1f 44 00 00 0f 0b <0f> 0b 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 1e Feb 27 23:36:52 x1carbon.localdomain kernel: RIP [<ffffffffa01186ea>] i915_gem_object_ggtt_unpin+0xca/0xd0 [i915] Feb 27 23:36:52 x1carbon.localdomain kernel: RSP <ffff8800d4c03780> Feb 27 23:36:52 x1carbon.localdomain kernel: ---[ end trace 31dc1eaa1fa33639 ]---
I think it's same to bug 93711<https://bugzilla.kernel.org/show_bug.cgi?id=93711>. You can try my patch to 93711.
(In reply to Ruoyao Xi from comment #1) > I think it's same to bug > 93711<https://bugzilla.kernel.org/show_bug.cgi?id=93711>. You can try my > patch to 93711. Presumed fixed, please reopen if the problem persists. *** This bug has been marked as a duplicate of bug 93711 ***