[Bug 95077] New: intel_mmio_flip_work_func+0x35f/0x3c0 [i915_bpo]()

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95077

            Bug ID: 95077
           Summary: intel_mmio_flip_work_func+0x35f/0x3c0 [i915_bpo]()
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: hector.yuen at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Hit this on an i7-6560U running 3.19.0-58-generic


This is a bug in the kernel that was talking about it and got closed
https://bugzilla.kernel.org/show_bug.cgi?id=99581

[17541.308606] ------------[ cut here ]------------
[17541.308636] WARNING: CPU: 0 PID: 13511 at
/build/linux-lts-vivid-6tG2ln/linux-lts-vivid
-3.19.0/ubuntu/i915/intel_display.c:11004 intel_mmio_flip_work_func+0x35f/0x3c0
[i915_bpo]()
[17541.308637] WARN_ON(__i915_wait_request(mmio_flip->req,
mmio_flip->crtc->reset_counter,
 false, NULL, &mmio_flip->i915->rps.mmioflips))
[17541.308638] Modules linked in: dell_wmi sparse_keymap ctr ccm nvram msr arc4
dm_crypt s
nd_hda_codec_hdmi(OE) dell_led snd_hda_codec_realtek(OE)
snd_hda_codec_generic(OE) dell_laptop dcdbas x86_pkg_temp_thermal coretemp s
nd_hda_intel(OE) snd_hda_codec(OE) snd_hda_core(OE) snd_hwdep kvm_intel
dm_multipath scsi_dh kvm iwlmvm(OE) mac80211(OE) cmac crct10d
if_pclmul crc32_pclmul ghash_clmulni_intel iwlwifi(OE) rts_cr_host(OE)
cfg80211(OE) rts_cr_core(OE) aesni_intel aes_x86_64 snd_pcm lr
w gf128mul glue_helper ablk_helper snd_seq_midi cryptd hid_multitouch
snd_seq_midi_event uvcvideo videobuf2_vmalloc videobuf2_memops 
snd_rawmidi videobuf2_core v4l2_common videodev media joydev serio_raw
rfcomm(OE) bnep(OE) snd_seq snd_seq_device snd_timer snd sound
core shpchp i2c_hid i915_bpo int3403_thermal intel_ips drm_kms_helper
int3400_thermal acpi_thermal_rel drm intel_hid(OE) acpi_pad i2c
_algo_bit mac_hid parport_pc nls_iso8859_1 ppdev lp parport btrfs xor raid6_pq
dm_mirror dm_region_hash dm_log btusb(OE) btintel(OE) 
bluetooth(OE) compat(OE) hid_generic usbhid hid psmouse(OE) ahci nvme libahci
wmi video
[17541.308693] CPU: 0 PID: 13511 Comm: kworker/0:1 Tainted: G        W  OE 
3.19.0-33-gene
ric #38~14.04.1-Ubuntu
[17541.308694] Hardware name: Dell Inc. XPS 13 9350/09JHRY, BIOS 1.2.3
01/08/2016
[17541.308707] Workqueue: events intel_mmio_flip_work_func [i915_bpo]
[17541.308708]  ffffffffc062c890 ffff880389bcbce8 ffffffff817af41b
0000000000000000
[17541.308710]  ffff880389bcbd38 ffff880389bcbd28 ffffffff81074daa
ffff880074a91600
[17541.308711]  ffff880386afc140 ffff88040b9e9180 ffff880480c13680
ffff880386afc140
[17541.308713] Call Trace:
[17541.308719]  [<ffffffff817af41b>] dump_stack+0x45/0x57
[17541.308722]  [<ffffffff81074daa>] warn_slowpath_common+0x8a/0xc0
[17541.308723]  [<ffffffff81074e26>] warn_slowpath_fmt+0x46/0x50
[17541.308736]  [<ffffffffc05c882f>] intel_mmio_flip_work_func+0x35f/0x3c0
[i915_bpo]
[17541.308738]  [<ffffffff8108db8f>] process_one_work+0x14f/0x400
[17541.308739]  [<ffffffff8108e328>] worker_thread+0x118/0x510
[17541.308741]  [<ffffffff8108e210>] ? rescuer_thread+0x3d0/0x3d0
[17541.308743]  [<ffffffff81093822>] kthread+0xd2/0xf0
[17541.308745]  [<ffffffff81093750>] ? kthread_create_on_node+0x1c0/0x1c0
[17541.308747]  [<ffffffff817b6d18>] ret_from_fork+0x58/0x90
[17541.308748]  [<ffffffff81093750>] ? kthread_create_on_node+0x1c0/0x1c0
[17541.308749] ---[ end trace 5240514278d57b1b ]---

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