[Bug 111985] [i915] Black monitor screen on boot (NO VGA SIGNAL)

Mon Oct 14 15:09:42 UTC 2019

https://bugs.freedesktop.org/show_bug.cgi?id=111985

--- Comment #6 from Jani Saarinen <jani.saarinen at intel.com> ---
Maybe related? 
[    5.856346] [drm:intel_modeset_readout_hw_state [i915]] pipe C data rate 0
num active planes 0
[    5.856366] WARNING: CPU: 1 PID: 313 at drivers/gpu/drm/drm_vblank.c:638
drm_calc_vbltimestamp_from_scanoutpos+0x2c7/0x300 [drm]
[    5.856369] Modules linked in: i915(E+) i2c_algo_bit(E) sr_mod(E)
drm_kms_helper(E) syscopyarea(E) sysfillrect(E) sysimgblt(E) fb_sys_fops(E)
xhci_pci(E) xhci_hcd(E) serio_raw(E) cdrom(E) usbcore(E) drm(E) video(E)
[    5.856377] CPU: 1 PID: 313 Comm: systemd-udevd Tainted: G            E    
5.3.6-test1 #1
[    5.856379] Hardware name: System manufacturer System Product Name/PRIME
B250M-C, BIOS 1001 12/11/2017
[    5.856388] RIP: 0010:drm_calc_vbltimestamp_from_scanoutpos+0x2c7/0x300
[drm]
[    5.856391] Code: 43 20 8b 80 78 01 00 00 23 43 50 a8 10 75 1b 48 8b 83 28
03 00 00 48 85 c0 0f 84 6c fd ff ff 48 83 78 28 00 0f 84 61 fd ff ff <0f> 0b e9
5d fd ff ff 48 c7 c7 00 67 3d c0 e8 66 ec ff ff e9 4c fd
[    5.856394] RSP: 0018:ffffb4e2c033b8c8 EFLAGS: 00010002
[    5.856395] RAX: 000000000000003f RBX: ffff9c0b4ff50000 RCX:
0000000000000000
[    5.856397] RDX: 0000000000000000 RSI: ffffffffc03d6738 RDI:
0000000000000001
[    5.856398] RBP: ffffb4e2c033b920 R08: 0000000000000000 R09:
ffffffffc03b2560
[    5.856400] R10: 0000000000000000 R11: ffffffffc055b5e0 R12:
0000000000000000
[    5.856401] R13: 0000000000000000 R14: ffffb4e2c033b934 R15:
ffff9c0c60282880
[    5.856403] FS:  00007f49b0e4d1c0(0000) GS:ffff9c0c66680000(0000)
knlGS:0000000000000000
[    5.856405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.856406] CR2: 00007f1da971d018 CR3: 000000031089e002 CR4:
00000000003606e0
[    5.856407] Call Trace:
[    5.856417]  ? drm_dbg+0x62/0x70 [drm]
[    5.856425]  drm_get_last_vbltimestamp+0x38/0x50 [drm]
[    5.856433]  drm_reset_vblank_timestamp+0x46/0xa0 [drm]
[    5.856440]  drm_crtc_vblank_on+0x72/0xc0 [drm]
[    5.856465]  intel_modeset_setup_hw_state+0x163/0xba0 [i915]
[    5.856474]  ? drm_modeset_lock_all_ctx+0xc9/0xd0 [drm]
[    5.856499]  intel_modeset_init+0x508/0xfa0 [i915]
[    5.856525]  ? fwtable_write32+0x44/0x180 [i915]
[    5.856553]  ? intel_gmbus_setup+0x22c/0x2e0 [i915]
[    5.856577]  i915_driver_load+0x481/0x560 [i915]
[    5.856580]  ? __kernfs_new_node+0x167/0x1c0
[    5.856603]  i915_pci_probe+0x3f/0x110 [i915]
[    5.856607]  ? __pm_runtime_resume+0x44/0x50
[    5.856609]  local_pci_probe+0x3d/0x70
[    5.856611]  ? pci_match_device+0xd2/0x100
[    5.856613]  pci_device_probe+0xd9/0x190
[    5.856615]  really_probe+0xf3/0x380
[    5.856617]  driver_probe_device+0x58/0xd0
[    5.856619]  device_driver_attach+0x4e/0x60
[    5.856620]  __driver_attach+0x91/0x140
[    5.856622]  ? device_driver_attach+0x60/0x60
[    5.856624]  bus_for_each_dev+0x61/0x90
[    5.856626]  bus_add_driver+0x174/0x1e0
[    5.856628]  driver_register+0x67/0xb0
[    5.856630]  ? 0xffffffffc0761000
[    5.856632]  do_one_initcall+0x47/0x17f
[    5.856634]  ? __vunmap+0x20f/0x240
[    5.856636]  ? kmem_cache_alloc+0xea/0x180
[    5.856638]  do_init_module+0x51/0x200
[    5.856640]  load_module+0x15cd/0x1770
[    5.856643]  ? __do_sys_finit_module+0xaa/0xe0
[    5.856645]  __do_sys_finit_module+0xaa/0xe0
[    5.856647]  do_syscall_64+0x50/0x120
[    5.856650]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[    5.856656] RIP: 0033:0x7f49b17a7059
[    5.856660] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 f7 5d 0c 00 f7 d8 64 89 01 48
[    5.856663] RSP: 002b:00007ffc7fa790c8 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
[    5.856665] RAX: ffffffffffffffda RBX: 00005609402bd3c0 RCX:
00007f49b17a7059
[    5.856666] RDX: 0000000000000000 RSI: 00007f49b190b89d RDI:
0000000000000013
[    5.856668] RBP: 0000000000020000 R08: 0000000000000000 R09:
000056094029e1a0
[    5.856669] R10: 0000000000000013 R11: 0000000000000246 R12:
00007f49b190b89d
[    5.856671] R13: 0000000000000000 R14: 000056094029bff0 R15:
00005609402bd3c0
[    5.856673] ---[ end trace 9b11657452f92555 ]---

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