Bug 108072

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4650/fi-bxt-j4205/igt@pm_rpm@module-reload.html

<4> [470.172078] general protection fault: 0000 [#1] PREEMPT SMP PTI
<4> [470.172098] CPU: 3 PID: 3500 Comm: pm_rpm Tainted: G     U            4.19.0-rc5-CI-CI_DRM_4874+ #1
<4> [470.172116] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./J4205-ITX, BIOS P1.10 09/29/2016
<4> [470.172140] RIP: 0010:do_remove_conflicting_framebuffers+0x55/0x180
<4> [470.172153] Code: ee 41 89 ef 48 85 c0 74 53 f6 40 0a 08 74 4d 4d 85 ed 4c 8b a0 78 04 00 00 74 20 4d 85 e4 74 1b 41 8b 4d 00 31 db 85 c9 74 11 <41> 8b 14 24 85 d2 75 45 83 c3 01 41 39 5d 00 77 ef 4d 85 e4 74 1c
<4> [470.172185] RSP: 0018:ffffc900002b3a60 EFLAGS: 00010202
<4> [470.172198] RAX: ffff880263d7efc8 RBX: 0000000000000000 RCX: 0000000000000001
<4> [470.172212] RDX: 0000000000000001 RSI: ffffffffa0261752 RDI: ffff88023666afd8
<4> [470.172226] RBP: 0000000000000000 R08: 0000000076553b20 R09: 0000000000000001
<4> [470.172239] R10: ffffc900002b3ac8 R11: ffffffff820de5e0 R12: 6b6b6b6b6b6b6b6b
<4> [470.172253] R13: ffff88023666afd8 R14: ffffffff8234dae0 R15: 0000000000000000
<4> [470.172267] FS:  00007f87ea650980(0000) GS:ffff880277f80000(0000) knlGS:0000000000000000
<4> [470.172284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [470.172295] CR2: 00007f87e98b37a0 CR3: 0000000210d32000 CR4: 00000000003406e0
<4> [470.172309] Call Trace:
<4> [470.172323]  remove_conflicting_framebuffers+0x2d/0xc0
<4> [470.172421]  i915_driver_load+0x822/0x1480 [i915]
<4> [470.172439]  ? _raw_spin_unlock_irqrestore+0x4c/0x60
<4> [470.172454]  ? lockdep_hardirqs_on+0xe0/0x1b0
<4> [470.172528]  i915_pci_probe+0x29/0xa0 [i915]
<4> [470.172543]  pci_device_probe+0xa1/0x130
<4> [470.172556]  really_probe+0x25d/0x3c0
<4> [470.172568]  driver_probe_device+0x10a/0x120
<4> [470.172579]  __driver_attach+0xdb/0x100
<4> [470.172590]  ? driver_probe_device+0x120/0x120
<4> [470.172601]  bus_for_each_dev+0x74/0xc0
<4> [470.172613]  bus_add_driver+0x15f/0x250
<4> [470.172624]  ? 0xffffffffa071e000
<4> [470.172634]  driver_register+0x56/0xe0
<4> [470.172644]  ? 0xffffffffa071e000
<4> [470.172654]  do_one_initcall+0x58/0x2e0
<4> [470.172665]  ? rcu_lockdep_current_cpu_online+0x8f/0xd0
<4> [470.172678]  ? do_init_module+0x1d/0x1ea
<4> [470.172689]  ? rcu_read_lock_sched_held+0x6f/0x80
<4> [470.172701]  ? kmem_cache_alloc_trace+0x264/0x290
<4> [470.172716]  do_init_module+0x56/0x1ea
<4> [470.172728]  load_module+0x26ba/0x29a0
<4> [470.172742]  ? vfs_read+0x122/0x140
<4> [470.172759]  ? __se_sys_finit_module+0xd3/0xf0
<4> [470.172769]  __se_sys_finit_module+0xd3/0xf0
<4> [470.172786]  do_syscall_64+0x55/0x190
<4> [470.172797]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [470.172810] RIP: 0033:0x7f87e98e1839
<4> [470.172820] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1f f6 2c 00 f7 d8 64 89 01 48
<4> [470.172852] RSP: 002b:00007ffe75928748 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
<4> [470.172868] RAX: ffffffffffffffda RBX: 000055b729aafd80 RCX: 00007f87e98e1839
<4> [470.172882] RDX: 0000000000000000 RSI: 00007f87e8f8d0e5 RDI: 0000000000000005
<4> [470.172896] RBP: 00007f87e8f8d0e5 R08: 0000000000000000 R09: 0000000000000000
<4> [470.172910] R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000
<4> [470.172924] R13: 000055b729aab000 R14: 0000000000000000 R15: 000055b729aafd80
<4> [470.172944] Modules linked in: i915(+) vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel r8169 snd_hda_codec snd_hwdep snd_hda_core mei_me snd_pcm pinctrl_broxton mei pinctrl_intel lpc_ich prime_numbers [last unloaded: i915]