[Bug 96692] New: drm/i915: kernel hang during booting up

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96692

            Bug ID: 96692
           Summary: drm/i915: kernel hang during booting up
           Product: DRI
           Version: unspecified
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: zhiquan.lee at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 124735
  --> https://bugs.freedesktop.org/attachment.cgi?id=124735&action=edit
kernel 4.7-rc3 boot up log

Hi,

My machine cannot boot up with Linux kernel 3.14.48, I've tried to upgrade
kernel from 3.14.48 to 4.6.2 and 4.7-rc3, the problem still cannot be solved.

After I disabled KMS via the kernel command line parameters: nomodeset
i915.modeset=0, the issue was bypassed. Therefore, I doubt the problem in
DRM/i915 driver.


Here is my machine hardware info:
----------------------------------------
CPU: Intel Celeron M 373 1.0Ghz, FANLESS 400 MHz FSB, 512KB L2 
Chipsets: Intel 910GMLE/ICH6M 
Chipset Codenames: Alviso-GM 
Video: Intel "Integrated Graphics Device" with integrated Dual Independent
output 
Video Adapter: Intel® Integrated 82915GM Express Chipset 

And the boot up trace can be find in attachments, with kernel command line
parameters: drm.debug=0xf when captured the log.

Your swift reply is appreciated,
Thanks!

Leon

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