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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SMN/IVB/HSW/BDW]igt/gem_mmap_wc/set-cache-level causes drivers/gpu/drm/i915/i915_gem.c:3834 i915_gem_object_set_cache_level+0x1da/0x26b [i915]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88607">88607</a>
</td>
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<tr>
<th>Summary</th>
<td>[SMN/IVB/HSW/BDW]igt/gem_mmap_wc/set-cache-level causes drivers/gpu/drm/i915/i915_gem.c:3834 i915_gem_object_set_cache_level+0x1da/0x26b [i915]
</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>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</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=112511" name="attach_112511" title="dmesg">attachment 112511</a> <a href="attachment.cgi?id=112511&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure, new case
Non-working platforms: ILK/SNB/IVB/HSW
==kernel==
--------------------------
drm-intel-nightly/be0b52082364f73b6ffa2841ec4ded2ddecfa881
commit be0b52082364f73b6ffa2841ec4ded2ddecfa881
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Sat Jan 17 10:41:34 2015 +0100
drm-intel-nightly: 2015y-01m-17d-09h-41m-12s UTC integration manifest
==Bug detailed description==
-----------------------------
It causes WARNING: CPU: 4 PID: 4029 at drivers/gpu/drm/i915/i915_gem.c:3834
i915_gem_object_set_cache_level+0x1da/0x26b [i915]()
output:
IGT-Version: 1.9-g20d6e0f (x86_64) (Linux:
3.19.0-rc4_drm-intel-nightly_be0b52_2
0150119+ x86_64)
Subtest set-cache-level: SUCCESS (0.018s)
dmesg:
[ 89.149360] WARNING: CPU: 4 PID: 4029 at
drivers/gpu/drm/i915/i915_gem.c:3834
i915_gem_object_set_cache_level+0x1da/0x26b [i915]()
[ 89.149401] WARN_ON(obj->base.write_domain & ~I915_GEM_DOMAIN_CPU)
[ 89.149422] Modules linked in:
[ 89.149435] ipv6 dm_mod tpm_infineon wmi tpm_tis tpm acpi_cpufreq i915
button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea
[ 89.149494] CPU: 4 PID: 4029 Comm: gem_mmap_wc Not tainted
3.19.0-rc4_drm-intel-nightly_be0b52_20150119+ #630
[ 89.149527] Hardware name: ASUS All Series/Z87-EXPERT, BIOS 1008 05/17/2013
[ 89.149551] 0000000000000000 0000000000000009 ffffffff81799600
ffff880250727a78
[ 89.149582] ffffffff8103bdcc 0000000000000246 ffffffffa00a7fa4
000000000001d244
[ 89.149612] ffff880252a3c1c0 0000000000000000 ffff880252a3c280
ffff880252a3c200
[ 89.149644] Call Trace:
[ 89.149657] [<ffffffff81799600>] ? dump_stack+0x40/0x50
[ 89.149679] [<ffffffff8103bdcc>] ? warn_slowpath_common+0x98/0xb0
[ 89.149716] [<ffffffffa00a7fa4>] ?
i915_gem_object_set_cache_level+0x1da/0x26b [i915]
[ 89.149745] [<ffffffff8103be7c>] ? warn_slowpath_fmt+0x45/0x4a
[ 89.149770] [<ffffffffa00a7fa4>] ?
i915_gem_object_set_cache_level+0x1da/0x26b [i915]
[ 89.149803] [<ffffffffa00a8b06>] ?
i915_gem_object_pin_to_display_plane+0x88/0x18a [i915]
[ 89.149838] [<ffffffffa00d2f54>] ? intel_pin_and_fence_fb_obj+0xd9/0x115
[i915]
[ 89.149870] [<ffffffffa00dcdfa>] ? intel_prepare_plane_fb+0xfa/0x12c [i915]
[ 89.149901] [<ffffffffa005e717>] ? drm_plane_helper_commit+0xc0/0x1cb
[drm_kms_helper]
[ 89.149933] [<ffffffffa001910c>] ? __setplane_internal+0x23c/0x29a [drm]
[ 89.149960] [<ffffffffa0018e7b>] ? add_framebuffer_internal+0x61c/0x671
[drm]
[ 89.149988] [<ffffffffa0019313>] ? drm_mode_cursor_common+0x1a9/0x2a0 [drm]
[ 89.150016] [<ffffffffa001c11e>] ? drm_mode_cursor_ioctl+0x31/0x36 [drm]
[ 89.150043] [<ffffffffa001070a>] ? drm_ioctl+0x279/0x3bc [drm]
[ 89.150065] [<ffffffff810effd2>] ? tlb_finish_mmu+0xb/0x2f
[ 89.150088] [<ffffffffa001c0ed>] ? drm_mode_setcrtc+0x4a9/0x4a9 [drm]
[ 89.150112] [<ffffffff810f5caf>] ? vma_rb_erase+0x179/0x1c3
[ 89.150134] [<ffffffff811222f5>] ? do_vfs_ioctl+0x412/0x459
[ 89.150155] [<ffffffff810a30ea>] ? __audit_syscall_entry+0xb2/0xd2
[ 89.150178] [<ffffffff8100d2f2>] ? syscall_trace_enter_phase1+0x11e/0x127
[ 89.150203] [<ffffffff81122385>] ? SyS_ioctl+0x49/0x78
[ 89.150222] [<ffffffff810a3313>] ? __audit_syscall_exit+0x209/0x225
[ 89.150247] [<ffffffff8179efd2>] ? system_call_fastpath+0x12/0x17
[ 89.150269] ---[ end trace 3cc1abd29fb82700 ]---
==Reproduce steps==
----------------------------
1. ./gem_mmap_wc --run-subtest set-cache-level</pre>
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