[Bug 74167] [i915] Colors seem inverted on Dell 3737 Laptop IntelHD4400

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74167

--- Comment #6 from Antoine le Bret <antoine_le_bret at yahoo.ca> ---
Booting linux with "nomodeset quiet splash" gives me better-looking consoles,
but no graphical interface. This error briefly flashes on the screen:

----------
[   12.193723] [drm:drm_pci_agp_init] *ERROR* Cannot initialize the agpgart
modu
le.
[   12.193796] DRM: Fill_in_dev failed.
----------

Then dmesg tells me there was some unhappiness in the i915 driver:

----------
[   12.278015] HDA driver get symbol successfully from i915 module
[   12.278021] ------------[ cut here ]------------
[   12.278050] WARNING: CPU: 2 PID: 78 at
/build/buildd/linux-3.11.0/drivers/gpu/drm/i915/intel_pm.c:5098
i915_request_power_well+0x77/0x80 [i915]()
[   12.278078] Modules linked in: snd_hda_intel(+) snd_hda_codec snd_hwdep
snd_pcm dell_laptop dcdbas arc4 snd_page_alloc ath9k snd_seq_midi
snd_seq_midi_event ath9k_common ath9k_hw snd_rawmidi ath snd_seq microcode(+)
mac80211 i915 ath3k(+) btusb psmouse bluetooth serio_raw snd_seq_device
drm_kms_helper cfg80211 drm snd_timer mei_me snd i2c_algo_bit mei lpc_ich wmi
soundcore lp parport mac_hid video ahci r8169 libahci mii
[   12.278082] CPU: 2 PID: 78 Comm: kworker/2:1 Not tainted 3.11.0-15-generic
#25-Ubuntu
[   12.278083] Hardware name: Dell Inc. Inspiron 3737/0C6PRJ, BIOS A07
11/12/2013
[   12.278091] Workqueue: events azx_probe_work [snd_hda_intel]
[   12.278095]  0000000000000009 ffff880155067d58 ffffffff816e7375
0000000000000000
[   12.278099]  ffff880155067d90 ffffffff81061dcd ffff88015551c228
0000000000000000
[   12.278102]  0000000000000000 ffff88015551c000 0000000000000080
ffff880155067da0
[   12.278103] Call Trace:
[   12.278111]  [<ffffffff816e7375>] dump_stack+0x45/0x56
[   12.278117]  [<ffffffff81061dcd>] warn_slowpath_common+0x7d/0xa0
[   12.278121]  [<ffffffff81061eaa>] warn_slowpath_null+0x1a/0x20
[   12.278145]  [<ffffffffa02a5407>] i915_request_power_well+0x77/0x80 [i915]
[   12.278152]  [<ffffffffa04beb22>] hda_display_power+0x32/0x40
[snd_hda_intel]
[   12.278157]  [<ffffffffa04bd505>] azx_probe_continue+0x45/0x940
[snd_hda_intel]
[   12.278162]  [<ffffffff810913c0>] ? finish_task_switch+0x50/0xf0
[   12.278168]  [<ffffffffa04be8d5>] azx_probe_work+0x15/0x20 [snd_hda_intel]
[   12.278172]  [<ffffffff8107cfec>] process_one_work+0x17c/0x430
[   12.278176]  [<ffffffff8107dfac>] worker_thread+0x11c/0x3c0
[   12.278179]  [<ffffffff8107de90>] ? manage_workers.isra.25+0x2a0/0x2a0
[   12.278183]  [<ffffffff81084740>] kthread+0xc0/0xd0
[   12.278187]  [<ffffffff81084680>] ? kthread_create_on_node+0x120/0x120
[   12.278193]  [<ffffffff816f71ac>] ret_from_fork+0x7c/0xb0
[   12.278197]  [<ffffffff81084680>] ? kthread_create_on_node+0x120/0x120
[   12.278200] ---[ end trace 21db90331deffc67 ]---

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