[Bug 79311] Call trace originating from i915 referencing intel_wait_for_vblank()

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=79311

Alan Bartlett <ajb at elrepo.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|3.16-rc6                    |3.16-rc7

--- Comment #5 from Alan Bartlett <ajb at elrepo.org> ---
Updated to linux-3.16.rc7 --

------------[ cut here ]------------
WARNING: CPU: 0 PID: 80 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: i915(+) drm_kms_helper video
CPU: 0 PID: 80 Comm: modprobe Not tainted 3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff880037c7b6b8 ffffffff816467a9 000000000000035d
 ffff880037c7b708 ffff880037c7b6f8 ffffffff810714bc 00000000fffb6f2c
 ffff880037c90000 0000000000071040 0000000000000003 00000000fffb6f2b
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffffa0012922>] drm_fb_helper_initial_config+0x192/0x240 [drm_kms_helper]
 [<ffffffffa008cd1f>] intel_fbdev_initial_config+0x1f/0x30 [i915]
 [<ffffffffa00afe63>] i915_load_modeset_init+0x1c3/0x200 [i915]
 [<ffffffffa00b20f0>] i915_driver_load+0x590/0x730 [i915]
 [<ffffffff813fee0d>] drm_dev_register+0xbd/0x110
 [<ffffffff814012cb>] drm_get_pci_dev+0x9b/0x200
 [<ffffffffa00236e3>] i915_pci_probe+0x43/0x60 [i915]
 [<ffffffff8131e42c>] local_pci_probe+0x4c/0xb0
 [<ffffffff8131e519>] pci_call_probe+0x89/0xb0
 [<ffffffff8131e36e>] ? pci_match_device+0xde/0x110
 [<ffffffff8131e7f9>] pci_device_probe+0x79/0xa0
 [<ffffffff8141eab2>] ? driver_sysfs_add+0x82/0xb0
 [<ffffffff8141ebfa>] really_probe+0x7a/0x250
 [<ffffffff8141ee0e>] driver_probe_device+0x3e/0x60
 [<ffffffff8141eedb>] __driver_attach+0xab/0xb0
 [<ffffffff8141ee30>] ? driver_probe_device+0x60/0x60
 [<ffffffff8141ee30>] ? driver_probe_device+0x60/0x60
 [<ffffffff8141d134>] bus_for_each_dev+0x94/0xb0
 [<ffffffff8141ea2e>] driver_attach+0x1e/0x20
 [<ffffffff8141e4d0>] bus_add_driver+0x1a0/0x220
 [<ffffffff8141f694>] driver_register+0x64/0xf0
 [<ffffffffa0107000>] ? 0xffffffffa0106fff
 [<ffffffff8131e90c>] __pci_register_driver+0x4c/0x50
 [<ffffffff81401535>] drm_pci_init+0x105/0x130
 [<ffffffffa0107000>] ? 0xffffffffa0106fff
 [<ffffffffa0107088>] i915_init+0x88/0x8a [i915]
 [<ffffffff81002099>] do_one_initcall+0x99/0x1e0
 [<ffffffff810ecbb0>] do_init_module+0x30/0x1a0
 [<ffffffff810eeb54>] load_module+0x3e4/0x5d0
 [<ffffffff810ec4a0>] ? mod_sysfs_teardown+0x150/0x150
 [<ffffffff812e83bc>] ? copy_user_generic_string+0x2c/0x40
 [<ffffffff810ebac0>] ? module_sect_show+0x30/0x30
 [<ffffffff810eee83>] SyS_init_module+0x93/0xa0
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c00 ]---

------------[ cut here ]------------
WARNING: CPU: 0 PID: 111 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: i915 drm_kms_helper video
CPU: 0 PID: 111 Comm: plymouthd Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff880037d3f9d8 ffffffff816467a9 000000000000035d
 ffff880037d3fa28 ffff880037d3fa18 ffffffff810714bc 00000000fffb7372
 ffff880037c90000 0000000000071040 0000000000000007 00000000fffb7371
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff811bad3f>] ? do_huge_pmd_anonymous_page+0x11f/0x2d0
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff8105d214>] ? __do_page_fault+0xe4/0x4c0
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c01 ]---

------------[ cut here ]------------
WARNING: CPU: 0 PID: 111 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: i915 drm_kms_helper video
CPU: 0 PID: 111 Comm: plymouthd Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff880037d3f9d8 ffffffff816467a9 000000000000035d
 ffff880037d3fa28 ffff880037d3fa18 ffffffff810714bc 00000000fffb73de
 ffff880037c90000 0000000000071040 000000000000000b 00000000fffb73dd
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c02 ]---

------------[ cut here ]------------
WARNING: CPU: 0 PID: 1275 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: ipv6 8021q garp stp llc cpufreq_ondemand ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
dm_mod ppdev dell_wmi sparse_keymap gpio_ich iTCO_wdt iTCO_vendor_support
dell_laptop dcdbas microcode joydev pcspkr i2c_i801 parport_pc parport wmi sg
lpc_ich snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic acpi_cpufreq
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device
snd_pcm snd_timer snd soundcore tg3 ptp pps_core arc4 hwmon iwldvm mac80211
iwlwifi cfg80211 rfkill ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif
crct10dif_common sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t
yenta_socket ahci libahci i915 drm_kms_helper video
CPU: 0 PID: 1275 Comm: Xorg Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff8800d84739d8 ffffffff816467a9 000000000000035d
 ffff8800d8473a28 ffff8800d8473a18 ffffffff810714bc 00000000fffbddb0
 ffff880037c90000 0000000000071040 000000000000000f 00000000fffbddaf
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff8115ad5f>] ? __generic_file_write_iter+0x18f/0x390
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c03 ]---

------------[ cut here ]------------
WARNING: CPU: 0 PID: 1275 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: ipv6 8021q garp stp llc cpufreq_ondemand ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
dm_mod ppdev dell_wmi sparse_keymap gpio_ich iTCO_wdt iTCO_vendor_support
dell_laptop dcdbas microcode joydev pcspkr i2c_i801 parport_pc parport wmi sg
lpc_ich snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic acpi_cpufreq
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device
snd_pcm snd_timer snd soundcore tg3 ptp pps_core arc4 hwmon iwldvm mac80211
iwlwifi cfg80211 rfkill ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif
crct10dif_common sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t
yenta_socket ahci libahci i915 drm_kms_helper video
CPU: 0 PID: 1275 Comm: Xorg Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff8800d84739d8 ffffffff816467a9 000000000000035d
 ffff8800d8473a28 ffff8800d8473a18 ffffffff810714bc 00000000fffbde33
 ffff880037c90000 0000000000071040 0000000000000014 00000000fffbde32
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c04 ]---


------------[ cut here ]------------
WARNING: CPU: 1 PID: 1275 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: ipv6 8021q garp stp llc cpufreq_ondemand ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
dm_mod ppdev dell_wmi sparse_keymap gpio_ich iTCO_wdt iTCO_vendor_support
dell_laptop dcdbas microcode joydev pcspkr i2c_i801 parport_pc parport wmi sg
lpc_ich snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic acpi_cpufreq
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device
snd_pcm snd_timer snd soundcore tg3 ptp pps_core arc4 hwmon iwldvm mac80211
iwlwifi cfg80211 rfkill ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif
crct10dif_common sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t
yenta_socket ahci libahci i915 drm_kms_helper video
CPU: 1 PID: 1275 Comm: Xorg Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff8800d84739d8 ffffffff816467a9 000000000000035d
 ffff8800d8473a28 ffff8800d8473a18 ffffffff810714bc 00000000fffbdee8
 ffff880037c90000 0000000000071040 0000000000000019 00000000fffbdee7
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c05 ]---

------------[ cut here ]------------
WARNING: CPU: 0 PID: 1275 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: ipv6 8021q garp stp llc cpufreq_ondemand ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
dm_mod ppdev dell_wmi sparse_keymap gpio_ich iTCO_wdt iTCO_vendor_support
dell_laptop dcdbas microcode joydev pcspkr i2c_i801 parport_pc parport wmi sg
lpc_ich snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic acpi_cpufreq
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device
snd_pcm snd_timer snd soundcore tg3 ptp pps_core arc4 hwmon iwldvm mac80211
iwlwifi cfg80211 rfkill ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif
crct10dif_common sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t
yenta_socket ahci libahci i915 drm_kms_helper video
CPU: 0 PID: 1275 Comm: Xorg Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff8800d84739d8 ffffffff816467a9 000000000000035d
 ffff8800d8473a28 ffff8800d8473a18 ffffffff810714bc 00000000fffbdf6b
 ffff880037c90000 0000000000071040 000000000000001e 00000000fffbdf6a
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c06 ]---

------------[ cut here ]------------
WARNING: CPU: 0 PID: 1275 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: ipv6 8021q garp stp llc cpufreq_ondemand ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
dm_mod ppdev dell_wmi sparse_keymap gpio_ich iTCO_wdt iTCO_vendor_support
dell_laptop dcdbas microcode joydev pcspkr i2c_i801 parport_pc parport wmi sg
lpc_ich snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic acpi_cpufreq
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device
snd_pcm snd_timer snd soundcore tg3 ptp pps_core arc4 hwmon iwldvm mac80211
iwlwifi cfg80211 rfkill ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif
crct10dif_common sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t
yenta_socket ahci libahci i915 drm_kms_helper video
CPU: 0 PID: 1275 Comm: Xorg Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff8800d84739d8 ffffffff816467a9 000000000000035d
 ffff8800d8473a28 ffff8800d8473a18 ffffffff810714bc 00000000fffbe67e
 ffff880037c90000 0000000000071040 0000000000000023 00000000fffbe67d
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c07 ]---

------------[ cut here ]------------
WARNING: CPU: 0 PID: 1275 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: ipv6 8021q garp stp llc cpufreq_ondemand ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
dm_mod ppdev dell_wmi sparse_keymap gpio_ich iTCO_wdt iTCO_vendor_support
dell_laptop dcdbas microcode joydev pcspkr i2c_i801 parport_pc parport wmi sg
lpc_ich snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic acpi_cpufreq
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device
snd_pcm snd_timer snd soundcore tg3 ptp pps_core arc4 hwmon iwldvm mac80211
iwlwifi cfg80211 rfkill ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif
crct10dif_common sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t
yenta_socket ahci libahci i915 drm_kms_helper video
CPU: 0 PID: 1275 Comm: Xorg Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff8800d84739d8 ffffffff816467a9 000000000000035d
 ffff8800d8473a28 ffff8800d8473a18 ffffffff810714bc 00000000fffbe702
 ffff880037c90000 0000000000071040 0000000000000028 00000000fffbe701
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff8101f2c2>] ? fpu_finit+0x22/0x40
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164b207>] ? int_check_syscall_exit_work+0x34/0x3d
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c08 ]---


------------[ cut here ]------------
WARNING: CPU: 0 PID: 1275 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: ipv6 8021q garp stp llc cpufreq_ondemand ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
dm_mod ppdev dell_wmi sparse_keymap gpio_ich iTCO_wdt iTCO_vendor_support
dell_laptop dcdbas microcode joydev pcspkr i2c_i801 parport_pc parport wmi sg
lpc_ich snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic acpi_cpufreq
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device
snd_pcm snd_timer snd soundcore tg3 ptp pps_core arc4 hwmon iwldvm mac80211
iwlwifi cfg80211 rfkill ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif
crct10dif_common sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t
yenta_socket ahci libahci i915 drm_kms_helper video
CPU: 0 PID: 1275 Comm: Xorg Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff8800d84739d8 ffffffff816467a9 000000000000035d
 ffff8800d8473a28 ffff8800d8473a18 ffffffff810714bc 00000000fffc0d89
 ffff880037c90000 0000000000071040 000000000000002d 00000000fffc0d88
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff8101f2c2>] ? fpu_finit+0x22/0x40
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164b207>] ? int_check_syscall_exit_work+0x34/0x3d
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c09 ]---

------------[ cut here ]------------
WARNING: CPU: 1 PID: 1275 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: ipv6 8021q garp stp llc cpufreq_ondemand ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
dm_mod ppdev dell_wmi sparse_keymap gpio_ich iTCO_wdt iTCO_vendor_support
dell_laptop dcdbas microcode joydev pcspkr i2c_i801 parport_pc parport wmi sg
lpc_ich snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic acpi_cpufreq
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device
snd_pcm snd_timer snd soundcore tg3 ptp pps_core arc4 hwmon iwldvm mac80211
iwlwifi cfg80211 rfkill ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif
crct10dif_common sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t
yenta_socket ahci libahci i915 drm_kms_helper video
CPU: 1 PID: 1275 Comm: Xorg Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff8800d84739d8 ffffffff816467a9 000000000000035d
 ffff8800d8473a28 ffff8800d8473a18 ffffffff810714bc 00000000fffc0df9
 ffff880037c90000 0000000000071040 0000000000000031 00000000fffc0df8
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff8101f2c2>] ? fpu_finit+0x22/0x40
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164b207>] ? int_check_syscall_exit_work+0x34/0x3d
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c0a ]---


------------[ cut here ]------------
WARNING: CPU: 0 PID: 1275 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: ipv6 8021q garp stp llc cpufreq_ondemand ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
dm_mod ppdev dell_wmi sparse_keymap gpio_ich iTCO_wdt iTCO_vendor_support
dell_laptop dcdbas microcode joydev pcspkr i2c_i801 parport_pc parport wmi sg
lpc_ich snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic acpi_cpufreq
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device
snd_pcm snd_timer snd soundcore tg3 ptp pps_core arc4 hwmon iwldvm mac80211
iwlwifi cfg80211 rfkill ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif
crct10dif_common sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t
yenta_socket ahci libahci i915 drm_kms_helper video
CPU: 0 PID: 1275 Comm: Xorg Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff8800d84739d8 ffffffff816467a9 000000000000035d
 ffff8800d8473a28 ffff8800d8473a18 ffffffff810714bc 00000000fffc0ead
 ffff880037c90000 0000000000071040 0000000000000036 00000000fffc0eac
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff8101f2c2>] ? fpu_finit+0x22/0x40
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164b207>] ? int_check_syscall_exit_work+0x34/0x3d
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c0b ]---

------------[ cut here ]------------
WARNING: CPU: 0 PID: 1275 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: ipv6 8021q garp stp llc cpufreq_ondemand ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
dm_mod ppdev dell_wmi sparse_keymap gpio_ich iTCO_wdt iTCO_vendor_support
dell_laptop dcdbas microcode joydev pcspkr i2c_i801 parport_pc parport wmi sg
lpc_ich snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic acpi_cpufreq
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device
snd_pcm snd_timer snd soundcore tg3 ptp pps_core arc4 hwmon iwldvm mac80211
iwlwifi cfg80211 rfkill ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif
crct10dif_common sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t
yenta_socket ahci libahci i915 drm_kms_helper video
CPU: 0 PID: 1275 Comm: Xorg Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff8800d84739d8 ffffffff816467a9 000000000000035d
 ffff8800d8473a28 ffff8800d8473a18 ffffffff810714bc 00000000fffc0f5a
 ffff880037c90000 0000000000071040 000000000000003b 00000000fffc0f59
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff8101f2c2>] ? fpu_finit+0x22/0x40
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164b207>] ? int_check_syscall_exit_work+0x34/0x3d
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c0c ]---


------------[ cut here ]------------
WARNING: CPU: 0 PID: 1275 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: ipv6 8021q garp stp llc cpufreq_ondemand ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
dm_mod ppdev dell_wmi sparse_keymap gpio_ich iTCO_wdt iTCO_vendor_support
dell_laptop dcdbas microcode joydev pcspkr i2c_i801 parport_pc parport wmi sg
lpc_ich snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic acpi_cpufreq
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device
snd_pcm snd_timer snd soundcore tg3 ptp pps_core arc4 hwmon iwldvm mac80211
iwlwifi cfg80211 rfkill ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif
crct10dif_common sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t
yenta_socket ahci libahci i915 drm_kms_helper video
CPU: 0 PID: 1275 Comm: Xorg Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff8800d84739d8 ffffffff816467a9 000000000000035d
 ffff8800d8473a28 ffff8800d8473a18 ffffffff810714bc 00000000fffc101c
 ffff880037c90000 0000000000071040 0000000000000040 00000000fffc101b
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff8101f2c2>] ? fpu_finit+0x22/0x40
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164b207>] ? int_check_syscall_exit_work+0x34/0x3d
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c0d ]---

------------[ cut here ]------------
WARNING: CPU: 0 PID: 1275 at drivers/gpu/drm/i915/intel_display.c:861
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: ipv6 8021q garp stp llc cpufreq_ondemand ipt_REJECT
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
dm_mod ppdev dell_wmi sparse_keymap gpio_ich iTCO_wdt iTCO_vendor_support
dell_laptop dcdbas microcode joydev pcspkr i2c_i801 parport_pc parport wmi sg
lpc_ich snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic acpi_cpufreq
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_seq snd_seq_device
snd_pcm snd_timer snd soundcore tg3 ptp pps_core arc4 hwmon iwldvm mac80211
iwlwifi cfg80211 rfkill ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif
crct10dif_common sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t
yenta_socket ahci libahci i915 drm_kms_helper video
CPU: 0 PID: 1275 Comm: Xorg Tainted: G        W    
3.16.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 000000000000035d ffff8800d84739d8 ffffffff816467a9 000000000000035d
 ffff8800d8473a28 ffff8800d8473a18 ffffffff810714bc 00000000fffc10a3
 ffff880037c90000 0000000000071040 0000000000000045 00000000fffc10a2
Call Trace:
 [<ffffffff816467a9>] dump_stack+0x49/0x60
 [<ffffffff810714bc>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff810715a6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa0078675>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa00786c5>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00adb5b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00ade55>] intel_tv_detect+0xd5/0x1c0 [i915]
 [<ffffffffa000fc1b>]
drm_helper_probe_single_connector_modes_merge_bits+0x1bb/0x380 [drm_kms_helper]
 [<ffffffff81404814>] ? _object_find+0x74/0xb0
 [<ffffffffa000fe13>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8140702c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff813f8dae>] drm_ioctl+0x2de/0x650
 [<ffffffff8101f2c2>] ? fpu_finit+0x22/0x40
 [<ffffffff81406c20>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e0133>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8126beaf>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e04e1>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8164b207>] ? int_check_syscall_exit_work+0x34/0x3d
 [<ffffffff8164af69>] system_call_fastpath+0x16/0x1b
---[ end trace 2797be4ce71a0c0e ]---

Bug(s) still present. 

As this problem is not present in the 3.15.X series, if it still exists when
Linus releases 3.16 then I will have to re-categorise this problem as a
regression.

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