[Bug 94593] Flickering Screen on Dell XPS13 9350

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94593

--- Comment #33 from Peter Y. Chuang <peteryuchuang at gmail.com> ---
Here's the dmesg FYI:

$ dmesg|grep i915
[    0.000000] Command line: BOOT_IMAGE=/vmlinuz-linux-mainline
root=UUID=0e20ff18-cf60-41db-b0ec-d752d5df0844 rw
cryptdevice=/dev/disk/by-uuid/12f4a4fd-0a88-4327-b272-f3ca8fd5d82d:lvm:allow-discards
quiet resume=/dev/disk/by-uuid/886bcda0-2e8a-4068-aba2-664991526834
pcie_aspm=force i915.enable_execlists=0 i915.enable_psr=1
[    0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-linux-mainline
root=UUID=0e20ff18-cf60-41db-b0ec-d752d5df0844 rw
cryptdevice=/dev/disk/by-uuid/12f4a4fd-0a88-4327-b272-f3ca8fd5d82d:lvm:allow-discards
quiet resume=/dev/disk/by-uuid/886bcda0-2e8a-4068-aba2-664991526834
pcie_aspm=force i915.enable_execlists=0 i915.enable_psr=1
[    0.897902] [drm] Finished loading i915/skl_dmc_ver1.bin (v1.23)
[    0.917624] [drm] Initialized i915 1.6.0 20160229 for 0000:00:02.0 on minor
0
[    2.644829] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[    9.329977] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_exit
[i915])
[   24.371605] WARNING: CPU: 0 PID: 884 at
drivers/gpu/drm/i915/intel_uncore.c:649 __unclaimed_reg_debug+0x80/0x90 [i915]
[   24.371669]  af_alg dm_crypt dm_mod sd_mod rtsx_pci_sdmmc mmc_core atkbd
libps2 crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel
aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd ahci libahci
xhci_pci libata xhci_hcd rtsx_pci scsi_mod usbcore usb_common i8042 serio i915
video button i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops drm intel_agp intel_gtt
[   24.371722]  [<ffffffffa013f0e0>] __unclaimed_reg_debug+0x80/0x90 [i915]
[   24.371731]  [<ffffffffa013fb8e>] gen9_read32+0x33e/0x3b0 [i915]
[   24.371742]  [<ffffffffa0149b49>]
i915_audio_component_codec_wake_override+0x39/0xb0 [i915]
[  342.932696] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20160416/debccfcd/attachment-0001.html>