[Bug 101745] New: [SKL] SYSTEM HANG on boot-up

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101745

            Bug ID: 101745
           Summary: [SKL] SYSTEM HANG on boot-up
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: agander at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 132597
  --> https://bugs.freedesktop.org/attachment.cgi?id=132597&action=edit
Output from lspci -nn

Reproducing steps:
On power-up the grub menu is displayed. On selection of a kernel version or the
automatic selection of the latest, the screen immediately goes blank.

How often:
Always


System environment:

-- chipset:

-- system architecture: x86_64

-- xf86-video-intel:
(xorg-x11-drv-intel-2.99.917-26.20160929.fc25.x86_64
)
Version: 2.99.917 
Release: 26.20160929.fc25

-- xserver:
Version: 1.19.3 
Release: 1.fc25

-- mesa:
Version: 17.0.5 
Release: 3.fc25

-- libdrm:
Version: 2.4.81 
Release: 1.fc25

-- kernel: 
4.11.3-202.fc25.x86_64

-- Linux distribution:
Fedora 25

-- Machine or mobo model:
ASUSTeK COMPUTER INC. UX305UA/UX305UA, BIOS UX305UA.201 10/12/2015

-- Display connector:

Additional info:


I have files with other information which are all over the upload limit:
rom
snapshot
jrnlctl_b-1
gdm-x-session

/bin/su -c "dd if=/dev/mem of=/tmp/rom bs=64k skip=12 count=1"

/bin/su -c "mount -t debugfs debugfs /sys/kernel/debug ; cp
/sys/kernel/debug/dri*/i915_opr
egion /tmp/opregion"

cp: impossibile eseguire stat di '/sys/kernel/debug/dri*/i915_opregion': No
such file or di
rectory

gnome-abrt messages:
A kernel problem occurred, but your kernel has been tainted (flags:GW).
WARNING: CPU: 2 PID: 114 at drivers/gpu/drm/i915/intel_pm.c:3749
skl_compute_wm+0xcde/0x1540 [i915]

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