[Bug 90067] New: [HSW Regression]HSW boot fail

Fri Apr 17 00:50:34 PDT 2015

https://bugs.freedesktop.org/show_bug.cgi?id=90067

            Bug ID: 90067
           Summary: [HSW Regression]HSW boot fail
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: highest
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: huax.lu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 115150
  --> https://bugs.freedesktop.org/attachment.cgi?id=115150&action=edit
dmesg

==System Environment==
--------------------------
Regression: Yes

good commit: c7240c3bc5d6610b42dbb10fda71bbbf1dad5515
bad commit: 097f8261ddda4b1896dd335dec95dedeecfeaa1b

Non-working platforms: BDW

==kernel==
--------------------------
drm-intel-nightly/d600654ab94b325f253e267422dcf60302120ea0
commit d600654ab94b325f253e267422dcf60302120ea0
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Thu Apr 16 17:54:10 2015 +0200

    drm-intel-nightly: 2015y-04m-16d-15h-53m-28s UTC integration manifest

==Bug detailed description==
-----------------------------
System boot fail, it happens on HSW with drm-intel-nightly kernel and
drm-intel-next-queued kernel.
Test two machines, one machine can log in, but run xinit or reboot, system is
no response, one machine can't log in.

dmesg:
[   28.578707] BUG: unable to handle kernel paging request at ffff8800f4369193
[   28.662009] IP: [<ffffffffa00ed510>] intel_prepare_ddi+0x5d/0x308 [i915]
[   28.742222] PGD 33d7067 PUD 33db067 PMD 0 
[   28.791193] Oops: 0000 [#1] SMP 
[   28.829750] Modules linked in: i915(+) button video drm_kms_helper drm
[   28.907910] CPU: 7 PID: 1375 Comm: udevd Not tainted
4.0.0_drm-intel-nightly_d60065_20150417+ #234
[   29.015147] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A03
09/17/2013
[   29.101560] task: ffff8800db9920c0 ti: ffff8800dae28000 task.ti:
ffff8800dae28000
[   29.191099] RIP: 0010:[<ffffffffa00ed510>]  [<ffffffffa00ed510>]
intel_prepare_ddi+0x5d/0x308 [i915]
[   29.300448] RSP: 0018:ffff8800dae2b958  EFLAGS: 00010283
[   29.363968] RAX: ffff8800db373f08 RBX: ffff88011953b000 RCX:
000000001953d800
[   29.449353] RDX: 0000000080000007 RSI: 0000000000000282 RDI:
ffff8800dae2b998
[   29.534730] RBP: ffff8800daf60000 R08: 0000000000000004 R09:
0000000000000000
[   29.620105] R10: 0000000000000001 R11: 0000000000000003 R12:
ffff88011953b060
[   29.705475] R13: ffff8800db373f00 R14: ffff88011953b000 R15:
000000001953d800
[   29.790848] FS:  00007f71429bc840(0000) GS:ffff88011ebc0000(0000)
knlGS:0000000000000000
[   29.887669] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.956376] CR2: ffff8800f4369193 CR3: 00000000db885000 CR4:
00000000001406e0
[   30.041751] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[   30.127130] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[   30.212502] Stack:
[   30.236459]  ffff8800daf60000 ffff88011953b340 ffff8800daf60140
0000000000000001
[   30.325006]  0000000000000001 ffffffffa00bb256 ffff8800daf60000
0000000000f60080
[   30.413551]  0000000000000282 ffff88011953b000 ffff8800daf60000
ffff88011953b060
[   30.502086] Call Trace:
[   30.531262]  [<ffffffffa00bb256>] ? __intel_uncore_forcewake_put+0x8e/0xa5
[i915]
[   30.620815]  [<ffffffffa00da14b>] ? intel_modeset_init_hw+0x9/0x2c [i915]
[   30.702041]  [<ffffffffa00dc28a>] ? intel_modeset_gem_init+0x77/0x13b [i915]
[   30.786379]  [<ffffffffa010667a>] ? i915_driver_load+0xf9e/0x119c [i915]
[   30.866539]  [<ffffffffa00076f5>] ? drm_dev_register+0x73/0xe5 [drm]
[   30.942535]  [<ffffffffa00098b4>] ? drm_get_pci_dev+0xf7/0x1b3 [drm]
[   31.018535]  [<ffffffff8135fd01>] ? local_pci_probe+0x35/0x79
[   31.087248]  [<ffffffff8135fe10>] ? pci_device_probe+0xcb/0xef
[   31.157007]  [<ffffffff813ea0e6>] ? driver_probe_device+0x9c/0x1d1
[   31.230929]  [<ffffffff813ea2a3>] ? __driver_attach+0x53/0x73
[   31.299650]  [<ffffffff813ea250>] ? __device_attach+0x35/0x35
[   31.368369]  [<ffffffff813e89b9>] ? bus_for_each_dev+0x6e/0x78
[   31.438132]  [<ffffffff813e99b4>] ? bus_add_driver+0x101/0x1cb
[   31.507884]  [<ffffffff813ea899>] ? driver_register+0x83/0xbb
[   31.576600]  [<ffffffffa0151000>] ? 0xffffffffa0151000
[   31.638032]  [<ffffffff810002fd>] ? do_one_initcall+0xe2/0x161
[   31.707794]  [<ffffffff81109093>] ? kmem_cache_alloc_trace+0x2a/0xfb
[   31.783809]  [<ffffffff81792459>] ? do_init_module+0x55/0x1b5
[   31.852538]  [<ffffffff8108f2bd>] ? load_module+0x1479/0x1951
[   31.921278]  [<ffffffff8108ce10>] ? store_uevent+0x36/0x36
[   31.986887]  [<ffffffff8179cb62>] ? page_fault+0x22/0x30
[   32.050416]  [<ffffffff8108f839>] ? SyS_init_module+0xa4/0xd3
[   32.119143]  [<ffffffff8179b0f2>] ? system_call_fastpath+0x12/0x17
[   32.193073] Code: 00 00 4c 8d 68 f8 49 8d 86 40 03 00 00 48 89 44 24 08 49
8d 45 08 48 3b 44 24 08 0f 84 a6 02 00 00 45 8b bd d8 00 00 00 44 89 f9 <80> 7c
0c 3b 00 0f 85 84 02 00 00 49 8b 5e 28 49 63 c7 8a 84 43 
[   32.419751] RIP  [<ffffffffa00ed510>] intel_prepare_ddi+0x5d/0x308 [i915]
[   32.501009]  RSP <ffff8800dae2b958>
[   32.542666] CR2: ffff8800f4369193
[   32.582245] ---[ end trace 933ad1f5dc5c917f ]---

==Reproduce steps==
---------------------------- 
1. clean boot system.

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