[Bug 105325] [KBL LSPCON] Linux will reboot when installing with connect HDMI monitor (include PS175 LSPCON)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105325

--- Comment #3 from shashank.sharma at intel.com <shashank.sharma at intel.com> ---
I don’t see any relation with LSPCON, I analyzed the logs, I don’t even see
I915 driver getting loaded properly. and looks like ACPI related error:


  [drm] Memory usable by graphics device = 4096M
  [drm] Replacing VGA console driver
  [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
  [drm] Driver supports precise vblank timestamp query.
  i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_01.bin failed
with error -2
  i915 0000:00:02.0: Failed to load DMC firmware
[https://01.org/linuxgraphics/downloads/firmware], disabling runtime power
management.
  i915 0000:00:02.0: vgaarb: changed VGA decodes:
olddecodes=io+mem,decodes=io+mem:owns=io+mem
  [drm] Initialized i915 1.6.0 20170619 for 0000:00:02.0 on minor 0
  ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
  input: Video Bus as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input6
  ata2: SATA link down (SStatus 4 SControl 300)
  ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
  ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND
(20170531/psargs-364)
  ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.PRT0._GTF,
AE_NOT_FOUND (20170531/psparse-550)
  ata1.00: ATA-8: WDC WD1600BEVT-22A23T0, 01.01A01, max UDMA/133
  ata1.00: 312581808 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
  ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND
(20170531/psargs-364)
  ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.PRT0._GTF,
AE_NOT_FOUND (20170531/psparse-550)

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