[Bug 89108] drm_wait_one_vblank warnings

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89108

Christian Hartmann <cornogle at googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |---

--- Comment #11 from Christian Hartmann <cornogle at googlemail.com> ---
still present in:
-> 3.19.5  and
-> 4.0.0

<snips>
BOOT_IMAGE=/vmlinuz-3.19.5.6 root=UUID=6c3bcf92-5a26-4dde-95e3-78ceb9aaa35b ro
i
915.modeset=1 rhgb quiet LANG=de_DE.UTF-8 i915.force_backlight_pmic=0

...
[    1.213951] [drm] Initialized drm 1.1.0 20060810
[    1.215856] [drm] Memory usable by graphics device = 2048M
[    1.215866] checking generic (80000000 8ca000) vs hw (80000000 10000000)
[    1.215871] fb: switching to inteldrmfb from simple
[    1.215920] Console: switching to colour dummy device 80x25
[    1.216086] [drm] Replacing VGA console driver
[    1.217799] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    1.217804] [drm] Driver supports precise vblank timestamp query.
[    1.217840] [drm:intel_parse_bios] *ERROR* Unknown element
[    1.217852] [drm:intel_parse_bios] *ERROR* Sequence elements going beyond
block itself. Sequence block parsing failed
[    1.259808] vgaarb: device changed decodes:
PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[    1.281232] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
[    1.282662] acpi device:21: registered as cooling_device4
[    1.282866] input: Video Bus as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input1
[    1.282938] [drm] Initialized i915 1.6.0 20141121 for 0000:00:02.0 on minor
0
...
...
[    1.289898] i8042: PNP: No PS/2 controller found. Probing ports directly.
[    1.336417] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit
banging on pin 5
[    1.350512] fbcon: inteldrmfb (fb0) is primary device
[    2.333926] i8042: No controller found
...
[    2.536902] Console: switching to colour frame buffer device 150x120
[    2.573929] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[    2.573932] i915 0000:00:02.0: registered panic notifier
...
[    3.833614] EXT4-fs (mmcblk0p4): mounted filesystem with ordered data mode.
Opts: (null)
[    3.935493] ------------[ cut here ]------------
[    3.935536] WARNING: CPU: 3 PID: 262 at drivers/gpu/drm/drm_irq.c:1130
drm_wait_one_vblank+0x177/0x180()
[    3.935546] vblank wait timed out on crtc 0
[    3.935553] Modules linked in: ax88179_178a usbnet mii
[    3.935588] CPU: 3 PID: 262 Comm: plymouthd Not tainted 3.19.5.6 #83


If you need more debugs, I have plenty of them...

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