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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BDW]igt/gem_evict_everything/swapping-hang sporadically causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88432">88432</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BDW]igt/gem_evict_everything/swapping-hang sporadically causes system hang
</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>critical
</td>
</tr>
<tr>
<th>Priority</th>
<td>high
</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>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=112259" name="attach_112259" title="dmesg">attachment 112259</a> <a href="attachment.cgi?id=112259&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure
Non-working platforms: BDW
==kernel==
--------------------------
drm-intel-nightly/9c4bdce37d09c0682f04bb5e6d0567def5c8d786
commit 9c4bdce37d09c0682f04bb5e6d0567def5c8d786
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Tue Jan 13 23:27:51 2015 +0100
drm-intel-nightly: 2015y-01m-13d-22h-27m-23s UTC integration manifest
==Bug detailed description==
-----------------------------
It sporadically causes system hang, fail rate: 1/5.
output:
IGT-Version: 1.9-g5fb26d1 (x86_64) (Linux:
3.19.0-rc4_drm-intel-nightly_9c4bdc_20150114+ x86_64)
dmesg:
[ 499.462482] BUG: unable to handle kernel paging request at 0000000100000088
[ 499.462532] IP: [<ffffffffa01093d9>] capture_bo+0x4/0x14d [i915]
[ 499.462583] PGD a1cdd067 PUD 0
[ 499.462610] Oops: 0000 [#1] SMP
[ 499.462636] Modules linked in: netconsole configfs ipv6 iTCO_wdt
iTCO_vendor_support snd_hda_codec_hdmi ppdev dm_mod pcspkr i2c_i801
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer
lpc_ich mfd_core snd soundcore battery parport_pc parport ac acpi_cpufreq i915
button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last
unloaded: netconsole]
[ 499.462917] CPU: 1 PID: 0 Comm: swapper/1 Not tainted
3.19.0-rc4_drm-intel-nightly_9c4bdc_20150114+ #410
[ 499.462971] task: ffff880149bb1800 ti: ffff880149bc0000 task.ti:
ffff880149bc0000
[ 499.463016] RIP: 0010:[<ffffffffa01093d9>] [<ffffffffa01093d9>]
capture_bo+0x4/0x14d [i915]
[ 499.463075] RSP: 0018:ffff88014ec43ce0 EFLAGS: 00010203
[ 499.463106] RAX: 0000000100000000 RBX: ffff8800a1de4000 RCX:
ffff8800956817e0
[ 499.463151] RDX: ffff880095698020 RSI: ffff880143c8fa80 RDI:
ffff8800956817c0
[ 499.463191] RBP: ffff880143c8fa00 R08: ffff880143c8fa80 R09:
ffff8800a7d5dd08
[ 499.463232] R10: 0000000000000c01 R11: ffffea000255d820 R12:
ffff880144610000
[ 499.463273] R13: 0000000000000008 R14: 0000000000000002 R15:
00000000000000bf
[ 499.463315] FS: 0000000000000000(0000) GS:ffff88014ec40000(0000)
knlGS:0000000000000000
[ 499.463361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 499.463395] CR2: 0000000100000088 CR3: 00000000a1cdc000 CR4:
00000000003407e0
[ 499.463437] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 499.463484] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 499.463531] Stack:
[ 499.463548] ffffffffa00ac483 0000000000000300 ffff880143c8fa80
ffff8800a7d5dd08
[ 499.463614] ffff880095698020 ffff880095680000 ffff880100000c01
ffff880100000005
[ 499.463684] ffff880143c8fae0 ffff880144617b30 ffff880144436000
ffff8800956817e0
[ 499.463742] Call Trace:
[ 499.463760] <IRQ>
[ 499.463778] [<ffffffffa00ac483>] ? i915_capture_error_state+0x681/0x1382
[i915]
[ 499.463856] [<ffffffffa00b4460>] ? i915_handle_error+0x7a/0x599 [i915]
[ 499.463906] [<ffffffffa00b4cd0>] ? i915_hangcheck_elapsed+0x305/0x399
[i915]
[ 499.465609] [<ffffffffa00b49cb>] ? i915_queue_hangcheck+0x4c/0x4c [i915]
[ 499.467303] [<ffffffff8107bf89>] ? call_timer_fn+0x46/0xe2
[ 499.469006] [<ffffffffa00b49cb>] ? i915_queue_hangcheck+0x4c/0x4c [i915]
[ 499.470703] [<ffffffff8107c3ce>] ? run_timer_softirq+0x1af/0x212
[ 499.472389] [<ffffffff8103eb14>] ? __do_softirq+0xdc/0x22f
[ 499.474077] [<ffffffff8103ed9b>] ? irq_exit+0x34/0x78
[ 499.475761] [<ffffffff81026b8e>] ? smp_apic_timer_interrupt+0x39/0x43
[ 499.477451] [<ffffffff8179fdaa>] ? apic_timer_interrupt+0x6a/0x70
[ 499.479151] <EOI>
[ 499.479167] [<ffffffff81009f18>] ? default_idle+0x34/0x8e
[ 499.482553] [<ffffffff8106554c>] ? cpu_startup_entry+0x170/0x2e0
[ 499.484261] Code: c7 3d 33 12 a0 e8 3d a0 f0 ff b8 fb ff ff ff eb 09 b8 00
00 00 00 41 0f 4e c4 48 83 c4 30 5b 5d 41 5c 41 5d 41 5e c3 48 8b 46 48 <48> 8b
90 88 00 00 00 89 17 8b 90 90 00 00 00 89 57 04 48 8b 90
[ 499.486263] RIP [<ffffffffa01093d9>] capture_bo+0x4/0x14d [i915]
[ 499.488079] RSP <ffff88014ec43ce0>
[ 499.489862] CR2: 0000000100000088
[ 499.491650] ---[ end trace 04d70c09331bf34f ]---
==Reproduce steps==
----------------------------
1. ./gem_evict_everything --run-subtest swapping-hang</pre>
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