[Bug 63872] [HSW ULT regression]System boot fail with -fixes kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63872

--- Comment #4 from cancan,feng <cancan.feng at intel.com> ---
Here are some information maybe helpful:
1. lscpu:
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                4
On-line CPU(s) list:   0-3
Thread(s) per core:    2
Core(s) per socket:    2
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 69
Stepping:              0
CPU MHz:               1197.161
BogoMIPS:              2394.32
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              4096K
NUMA node0 CPU(s):     0-3

2. cat /sys/kernel/debug/dri/0/i915_cur_delayinfo
GT_PERF_STATUS: 0x00000c00
RPSTAT1: 0x00048580
Render p-state ratio: 12
Render p-state VID: 0
Render p-state limit: 255
CAGF: 550MHz
RP CUR UP EI: 14926us
RP CUR UP: 5us
RP PREV UP: 0us
RP CUR DOWN EI: 93172us
RP CUR DOWN: 9us
RP PREV DOWN: 0us
Lowest (RPN) frequency: 200MHz
Nominal (RP1) frequency: 200MHz
Max non-overclocked (RP0) frequency: 600MHz
Max overclocked frequency: 600MHz

3.BIOS Information
Vendor: Intel Corporation
Version: HSWLPTU1.86C.0109.R02.1301242250
Release Date: 01/24/2013
ROM Size: 4096 kB

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