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Description of problem: This is what happens if I try to boot a PC with integrated intel graphics and dedicated AMD graphics, when intel GPU is set as the default graphics card in bios. X11 doesn't start. I have to disable intel GPU in bios in order to boot into X11. Additional info: reporter: libreport-2.6.4 divide error: 0000 [#1] SMP Modules linked in: ebtable_filter ebtables ip6table_filter ip6_tables fuse it87 hwmon_vid vfat fat snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi intel_rapl iosf_mbi iTCO_wdt iTCO_vendor_support x86_pkg_temp_thermal coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel snd_hda_intel snd_hda_codec i915 snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm i2c_i801 lpc_ich mei_me snd_timer snd joydev soundcore mei soc_button_array shpchp video usblp tpm_infineon tpm_tis tpm nfsd auth_rpcgss nfs_acl lockd grace sunrpc hid_logitech_hidpp hid_logitech_dj amdkfd amd_iommu_v2 radeon i2c_algo_bit drm_kms_helper ttm e1000e drm serio_raw ptp pps_core fjes CPU: 3 PID: 968 Comm: gnome-shell Not tainted 4.4.6-300.fc23.x86_64 #1 Hardware name: Gigabyte Technology Co., Ltd. Z87-D3HP/Z87-D3HP-CF, BIOS F5 08/14/2013 task: ffff880239733c00 ti: ffff8802397b4000 task.ti: ffff8802397b4000 RIP: 0010:[<ffffffffa0471116>] [<ffffffffa0471116>] ilk_compute_wm_level.isra.29+0x496/0x4c0 [i915] RSP: 0018:ffff8802397b77b8 EFLAGS: 00010246 RAX: 000000000000057f RBX: ffff88003fa0b800 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000025990 RBP: ffff8802397b7810 R08: 0000000000000780 R09: 0000000000000016 R10: ffff88009c51b180 R11: ffff880242020000 R12: ffff88009c7443f0 R13: ffff8802326d6c00 R14: 0000000000000004 R15: ffff8802397b78b4 FS: 00007f42af36ea80(0000) GS:ffff88024f380000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557ec9821f68 CR3: 000000009a2ad000 CR4: 00000000001406e0 Stack: ffff8802397b77c8 ffffffff8179ff5e ffff880242020000 ffff88009c51b180 0000001400000000 0000001400000014 ffff88009c102800 ffff88009c744000 ffff880242020000 ffff8802326d6c00 0000000000000000 ffff8802397b7a28 Call Trace: [<ffffffff8179ff5e>] ? _raw_spin_unlock_irqrestore+0xe/0x10 [<ffffffffa0472a3a>] ilk_update_wm+0x22a/0xf90 [i915] [<ffffffffa0491450>] ? gen6_ggtt_insert_entries+0xe0/0x150 [i915] [<ffffffffa04764de>] intel_update_watermarks+0x1e/0x30 [i915] [<ffffffffa04cba8b>] intel_begin_crtc_commit+0x8b/0x1f0 [i915] [<ffffffffa0106ceb>] drm_atomic_helper_commit_planes_on_crtc+0x5b/0x270 [drm_kms_helper] [<ffffffffa04da489>] intel_atomic_commit+0x229/0x1420 [i915] [<ffffffff81210d38>] ? __kmalloc_track_caller+0x1b8/0x250 [<ffffffffa00451be>] ? drm_atomic_check_only+0x18e/0x590 [drm] [<ffffffffa004458d>] ? drm_atomic_get_crtc_state+0x6d/0xd0 [drm] [<ffffffffa00455f7>] drm_atomic_commit+0x37/0x60 [drm] [<ffffffffa0104be9>] drm_atomic_helper_update_plane+0xe9/0x130 [drm_kms_helper] [<ffffffffa0034fcf>] __setplane_internal+0x1ff/0x250 [drm] [<ffffffffa003514b>] drm_mode_cursor_universal+0x12b/0x210 [drm] [<ffffffffa00352b1>] drm_mode_cursor_common+0x81/0x180 [drm] [<ffffffff811df08c>] ? do_wp_page+0x43c/0x6d0 [<ffffffffa003907e>] drm_mode_cursor2_ioctl+0xe/0x10 [drm] [<ffffffffa002a602>] drm_ioctl+0x152/0x540 [drm] [<ffffffffa0039070>] ? drm_mode_cursor_ioctl+0x70/0x70 [drm] [<ffffffff81241248>] do_vfs_ioctl+0x298/0x480 [<ffffffff81148c2b>] ? __audit_syscall_entry+0xab/0xf0 [<ffffffff8100315b>] ? do_audit_syscall_entry+0x4b/0x70 [<ffffffff810039fc>] ? syscall_trace_enter_phase1+0x13c/0x160 [<ffffffff812414a9>] SyS_ioctl+0x79/0x90 [<ffffffff817a04ee>] entry_SYSCALL_64_fastpath+0x12/0x71 Code: 4f 10 49 8b 0b e9 10 fc ff ff 41 80 ba 80 00 00 00 00 74 ea 41 8b 4a 68 41 2b 4a 60 0f b6 c0 c1 e2 06 0f af c8 8d 44 11 ff 31 d2 <f7> f1 8d 48 02 41 89 4f 10 49 8b 0b e9 de fb ff ff 45 31 f6 e9 RIP [<ffffffffa0471116>] ilk_compute_wm_level.isra.29+0x496/0x4c0 [i915] RSP <ffff8802397b77b8>
Created attachment 1138218 [details] File: dmesg
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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.