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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [HSW Regression]HSW boot fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90067">90067</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[HSW Regression]HSW boot fail
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>blocker
</td>
</tr>
<tr>
<th>Priority</th>
<td>highest
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=115150" name="attach_115150" title="dmesg">attachment 115150</a> <a href="attachment.cgi?id=115150&action=edit" title="dmesg">[details]</a></span>
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 <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
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.</pre>
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