[Bug 79311] New: 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

            Bug ID: 79311
           Summary: Call trace originating from i915 referencing
                    intel_wait_for_vblank()
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.16-rc3
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: ajb at elrepo.org
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

Created attachment 141571
  --> https://bugzilla.kernel.org/attachment.cgi?id=141571&action=edit
dmesg output

Hardware -- Dell Latitude E5500

lspci -nn | grep Graphics returns --

00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series
Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller [8086:2a43] (rev 07)

Call trace --

[   10.603031] ------------[ cut here ]------------
[   10.603078] WARNING: CPU: 1 PID: 270 at
drivers/gpu/drm/i915/intel_display.c:861 intel_wait_for_vblank+0x209/0x210
[i915]()
[   10.603081] vblank wait timed out
[   10.603082] Modules linked in: snd_hda_intel(+) snd_hda_controller i915(+)
snd_hda_codec snd_hwdep arc4 snd_seq snd_seq_device iwldvm snd_pcm mac80211
dell_laptop dcdbas iwlwifi coretemp i2c_i801 cfg80211 kvm_intel dell_wmi tg3
iTCO_wdt sparse_keymap iTCO_vendor_support sdhci_pci ppdev i2c_algo_bit sdhci
kvm drm_kms_helper drm snd_timer rfkill ptp mmc_core i2c_core pcspkr snd
pps_core joydev wmi serio_raw lpc_ich mfd_core shpchp parport_pc parport
acpi_cpufreq soundcore video xfs libcrc32c sd_mod sr_mod cdrom crc_t10dif
crct10dif_common ahci libahci libata firewire_ohci firewire_core yenta_socket
crc_itu_t
[   10.603138] CPU: 1 PID: 270 Comm: systemd-udevd Not tainted
3.16.0-0.rc3.el7.elrepo.x86_64 #1
[   10.603141] Hardware name: Dell Inc. Latitude E5500                 
/0DW633, BIOS A19 06/13/2013
[   10.603143]  0000000000000000 0000000025bdfcb7 ffff8800d8be75e0
ffffffff81652e01
[   10.603147]  ffff8800d8be7628 ffff8800d8be7618 ffffffff81072cbd
ffff880119010000
[   10.603151]  0000000000071040 0000000000000003 00000000fffb958b
00000000000000aa
[   10.603155] Call Trace:
[   10.603168]  [<ffffffff81652e01>] dump_stack+0x45/0x56
[   10.603172]  [<ffffffff81072cbd>] warn_slowpath_common+0x7d/0xa0
[   10.603174]  [<ffffffff81072d3c>] warn_slowpath_fmt+0x5c/0x80
[   10.603197]  [<ffffffffa05e223e>] ? gen4_read32+0x4e/0xc0 [i915]
[   10.603221]  [<ffffffffa05f19b9>] intel_wait_for_vblank+0x209/0x210 [i915]
[   10.603245]  [<ffffffffa0628430>] intel_tv_detect+0x220/0x570 [i915]
[   10.603252]  [<ffffffffa02d0ac3>]
drm_helper_probe_single_connector_modes_merge_bits+0x293/0x3a0 [drm_kms_helper]
[   10.603257]  [<ffffffffa02d0be3>]
drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
[   10.603262]  [<ffffffffa02d29a0>]
drm_fb_helper_probe_connector_modes.isra.3+0x50/0x70 [drm_kms_helper]
[   10.603267]  [<ffffffffa02d3acd>] drm_fb_helper_initial_config+0x15d/0x4d0
[drm_kms_helper]
[   10.603290]  [<ffffffffa05e20e2>] ? gen4_write32+0x52/0xb0 [i915]
[   10.603312]  [<ffffffffa05d0eed>] ? i915_hpd_irq_setup+0xcd/0xe0 [i915]
[   10.603335]  [<ffffffffa060877f>] intel_fbdev_initial_config+0x1f/0x30
[i915]
[   10.603360]  [<ffffffffa062c1ca>] i915_driver_load+0xf4a/0xfd0 [i915]
[   10.603364]  [<ffffffff812fe668>] ? kobject_uevent_env+0x178/0x690
[   10.603368]  [<ffffffff8140c917>] ? get_device+0x17/0x30
[   10.603371]  [<ffffffff814123f5>] ? klist_class_dev_get+0x15/0x20
[   10.603374]  [<ffffffff8164122a>] ? klist_add_tail+0x3a/0x40
[   10.603376]  [<ffffffff8140e2a9>] ? device_add+0x219/0x630
[   10.603392]  [<ffffffffa02714d6>] ? drm_sysfs_device_add+0xd6/0x120 [drm]
[   10.603403]  [<ffffffffa026d9bd>] drm_dev_register+0xad/0x100 [drm]
[   10.603414]  [<ffffffffa027054f>] drm_get_pci_dev+0x8f/0x1f0 [drm]
[   10.603433]  [<ffffffffa05a24bb>] i915_pci_probe+0x3b/0x60 [i915]
[   10.603436]  [<ffffffff81335be5>] local_pci_probe+0x45/0xa0
[   10.603439]  [<ffffffff81336d95>] ? pci_match_device+0xe5/0x110
[   10.603442]  [<ffffffff81336ef9>] pci_device_probe+0xf9/0x150
[   10.603445]  [<ffffffff81411520>] driver_probe_device+0x90/0x3c0
[   10.603448]  [<ffffffff81411923>] __driver_attach+0x93/0xa0
[   10.603451]  [<ffffffff81411890>] ? __device_attach+0x40/0x40
[   10.603453]  [<ffffffff8140f463>] bus_for_each_dev+0x73/0xc0
[   10.603456]  [<ffffffff81410fbe>] driver_attach+0x1e/0x20
[   10.603458]  [<ffffffff81410ba0>] bus_add_driver+0x180/0x250
[   10.603461]  [<ffffffff81412104>] driver_register+0x64/0xf0
[   10.603464]  [<ffffffff8133557c>] __pci_register_driver+0x4c/0x50
[   10.603474]  [<ffffffffa02707ba>] drm_pci_init+0x10a/0x140 [drm]
[   10.603478]  [<ffffffffa0682000>] ? 0xffffffffa0681fff
[   10.603494]  [<ffffffffa0682089>] i915_init+0x89/0x90 [i915]
[   10.603498]  [<ffffffff81002144>] do_one_initcall+0xd4/0x210
[   10.603500]  [<ffffffff811bd69d>] ? kfree+0xfd/0x140
[   10.603504]  [<ffffffff811a3532>] ? __vunmap+0xb2/0x100
[   10.603507]  [<ffffffff810f1b48>] load_module+0x2018/0x2520
[   10.603510]  [<ffffffff810ed530>] ? store_uevent+0x70/0x70
[   10.603513]  [<ffffffff810ee109>] ? copy_module_from_fd.isra.47+0x129/0x180
[   10.603516]  [<ffffffff810f2206>] SyS_finit_module+0xa6/0xd0
[   10.603520]  [<ffffffff8165b069>] system_call_fastpath+0x16/0x1b
[   10.603522] ---[ end trace 7a2e53fef6a4c62b ]---

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