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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 - [BAT] igt@debugfs_test@read_all_entries - dmesg-warn - WARNING: CPU: 0 PID: 1278 at drivers/gpu/drm/i915/intel_cdclk.c:708 bdw_set_cdclk+0x390/0x3b0 [i915] -trying to change cdclk frequency with cdclk not enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103938">103938</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BAT] igt@debugfs_test@read_all_entries - dmesg-warn - WARNING: CPU: 0 PID: 1278 at drivers/gpu/drm/i915/intel_cdclk.c:708 bdw_set_cdclk+0x390/0x3b0 [i915] -trying to change cdclk frequency with cdclk not enabled
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>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>marta.lofstedt@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><a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3394/fi-bdw-gvtdvm/igt@debugfs_test@read_all_entries.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3394/fi-bdw-gvtdvm/igt@debugfs_test@read_all_entries.html</a>
<7>[ 27.226970] [drm:intel_dump_cdclk_state [i915]] Changing CDCLK to 337500
kHz, VCO 0 kHz, ref 0 kHz, voltage level 2
<4>[ 27.226974] ------------[ cut here ]------------
<4>[ 27.226977] trying to change cdclk frequency with cdclk not enabled
<4>[ 27.227052] WARNING: CPU: 0 PID: 1278 at
drivers/gpu/drm/i915/intel_cdclk.c:708 bdw_set_cdclk+0x390/0x3b0 [i915]
<4>[ 27.227055] Modules linked in: i915 crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel e1000 i2c_piix4 prime_numbers
<4>[ 27.227080] CPU: 0 PID: 1278 Comm: debugfs_test Tainted: G W
4.15.0-rc1-CI-CI_DRM_3394+ #1
<4>[ 27.227083] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
rel-1.10.1-0-g8891697-prebuilt.qemu-project.org 04/01/2014
<4>[ 27.227086] task: ffff88007bf6d2c0 task.stack: ffffc90000778000
<4>[ 27.227133] RIP: 0010:bdw_set_cdclk+0x390/0x3b0 [i915]
<4>[ 27.227136] RSP: 0018:ffffc9000077bb30 EFLAGS: 00010282
<4>[ 27.227141] RAX: 0000000000000037 RBX: ffff8800739c0000 RCX:
0000000000000001
<4>[ 27.227144] RDX: 0000000080000001 RSI: ffffffff81ca998d RDI:
00000000ffffffff
<4>[ 27.227147] RBP: ffff8800739c60d4 R08: ffff88007bf6dbb8 R09:
00000000b3c031e0
<4>[ 27.227150] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88007d320958
<4>[ 27.227153] R13: ffff8800739c0000 R14: ffff8800738fdd28 R15:
0000000000000003
<4>[ 27.227157] FS: 00007fbec1951a40(0000) GS:ffff88007fc00000(0000)
knlGS:0000000000000000
<4>[ 27.227163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 27.227166] CR2: 00007f46b078f028 CR3: 000000007533b002 CR4:
00000000003606f0
<4>[ 27.227168] Call Trace:
<4>[ 27.227221] intel_set_cdclk+0x3b/0x100 [i915]
<4>[ 27.227270] intel_atomic_commit_tail+0xa08/0xd10 [i915]
<4>[ 27.227306] ? __i915_sw_fence_complete+0x175/0x230 [i915]
<4>[ 27.227357] intel_atomic_commit+0x22a/0x2e0 [i915]
<4>[ 27.227368] drm_mode_atomic_ioctl+0x827/0x9d0
<4>[ 27.227390] ? drm_atomic_set_property+0x480/0x480
<4>[ 27.227395] drm_ioctl_kernel+0x60/0xa0
<4>[ 27.227402] drm_ioctl+0x290/0x330
<4>[ 27.227410] ? drm_atomic_set_property+0x480/0x480
<4>[ 27.227419] ? remove_vma+0x56/0x60
<4>[ 27.227424] ? remove_vma+0x56/0x60
<4>[ 27.227428] ? rcu_read_lock_sched_held+0x6f/0x80
<4>[ 27.227436] do_vfs_ioctl+0x8a/0x680
<4>[ 27.227442] ? entry_SYSCALL_64_fastpath+0x5/0x89
<4>[ 27.227448] ? trace_hardirqs_on_caller+0xde/0x1c0
<4>[ 27.227455] SyS_ioctl+0x36/0x70
<4>[ 27.227462] entry_SYSCALL_64_fastpath+0x1c/0x89
<4>[ 27.227466] RIP: 0033:0x7fbebfb49f07
<4>[ 27.227469] RSP: 002b:00007fff14876838 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4>[ 27.227474] RAX: ffffffffffffffda RBX: 000055ce3a349830 RCX:
00007fbebfb49f07
<4>[ 27.227477] RDX: 00007fff14876890 RSI: 00000000c03864bc RDI:
0000000000000003
<4>[ 27.227480] RBP: 0000000000000050 R08: 000055ce3a34bdf0 R09:
000055ce3a34b510
<4>[ 27.227483] R10: 000000000000000e R11: 0000000000000246 R12:
00007fff148767a8
<4>[ 27.227485] R13: 0000000000000051 R14: 00007fff14876698 R15:
0000000000000001
<4>[ 27.227499] Code: 24 04 48 c7 c2 60 e0 17 a0 48 c7 c7 08 2d 1b a0 89 04
24 e8 43 0e f9 e0 0f ff 8b 04 24 eb d4 48 c7 c7 90 31 1b a0 e8 30 0e f9 e0 <0f>
ff 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 44 00
<4>[ 27.227647] ---[ end trace 56053a8fdac7f1f3 ]---
<4>[ 27.229522] ------------[ cut here ]------------
<4>[ 27.229524] cdclk state doesn't match!
<4>[ 27.229571] WARNING: CPU: 0 PID: 1278 at
drivers/gpu/drm/i915/intel_cdclk.c:1859 intel_set_cdclk+0x52/0x100 [i915]
<4>[ 27.229573] Modules linked in: i915 crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel e1000 i2c_piix4 prime_numbers
<4>[ 27.229588] CPU: 0 PID: 1278 Comm: debugfs_test Tainted: G W
4.15.0-rc1-CI-CI_DRM_3394+ #1
<4>[ 27.229589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
rel-1.10.1-0-g8891697-prebuilt.qemu-project.org 04/01/2014
<4>[ 27.229591] task: ffff88007bf6d2c0 task.stack: ffffc90000778000
<4>[ 27.229619] RIP: 0010:intel_set_cdclk+0x52/0x100 [i915]
<4>[ 27.229621] RSP: 0018:ffffc9000077bb78 EFLAGS: 00010296
<4>[ 27.229624] RAX: 000000000000001a RBX: ffff8800739c0000 RCX:
0000000000000001
<4>[ 27.229626] RDX: 0000000080000001 RSI: ffffffff81ca998d RDI:
00000000ffffffff
<4>[ 27.229628] RBP: ffff8800739c60d4 R08: ffff88007bf6dbb8 R09:
00000000b3c031e0
<4>[ 27.229629] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88007d320958
<4>[ 27.229631] R13: ffff8800739c0000 R14: ffff8800738fdd28 R15:
0000000000000003
<4>[ 27.229633] FS: 00007fbec1951a40(0000) GS:ffff88007fc00000(0000)
knlGS:0000000000000000
<4>[ 27.229637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 27.229639] CR2: 00007f46b075e000 CR3: 000000007533b002 CR4:
00000000003606f0
<4>[ 27.229640] Call Trace:
<4>[ 27.229683] intel_atomic_commit_tail+0xa08/0xd10 [i915]
<4>[ 27.229715] ? __i915_sw_fence_complete+0x175/0x230 [i915]
<4>[ 27.229745] intel_atomic_commit+0x22a/0x2e0 [i915]
<4>[ 27.229752] drm_mode_atomic_ioctl+0x827/0x9d0
<4>[ 27.229765] ? drm_atomic_set_property+0x480/0x480
<4>[ 27.229768] drm_ioctl_kernel+0x60/0xa0
<4>[ 27.229772] drm_ioctl+0x290/0x330
<4>[ 27.229776] ? drm_atomic_set_property+0x480/0x480
<4>[ 27.229782] ? remove_vma+0x56/0x60
<4>[ 27.229785] ? remove_vma+0x56/0x60
<4>[ 27.229787] ? rcu_read_lock_sched_held+0x6f/0x80
<4>[ 27.229792] do_vfs_ioctl+0x8a/0x680
<4>[ 27.229796] ? entry_SYSCALL_64_fastpath+0x5/0x89
<4>[ 27.229800] ? trace_hardirqs_on_caller+0xde/0x1c0
<4>[ 27.229804] SyS_ioctl+0x36/0x70
<4>[ 27.229808] entry_SYSCALL_64_fastpath+0x1c/0x89
<4>[ 27.229810] RIP: 0033:0x7fbebfb49f07
<4>[ 27.229812] RSP: 002b:00007fff14876838 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4>[ 27.229815] RAX: ffffffffffffffda RBX: 000055ce3a349830 RCX:
00007fbebfb49f07
<4>[ 27.229817] RDX: 00007fff14876890 RSI: 00000000c03864bc RDI:
0000000000000003
<4>[ 27.229818] RBP: 0000000000000050 R08: 000055ce3a34bdf0 R09:
000055ce3a34b510
<4>[ 27.229820] R10: 000000000000000e R11: 0000000000000246 R12:
00007fff148767a8
<4>[ 27.229821] R13: 0000000000000051 R14: 00007fff14876698 R15:
0000000000000001
<4>[ 27.229829] Code: 48 89 ef e8 a1 ff ff ff 48 89 ee 48 89 df ff 93 08 61
00 00 8b 45 00 39 83 e4 60 00 00 74 5e 48 c7 c7 d1 2d 19 a0 e8 9e 2f f9 e0 <0f>
ff 48 8d bb e4 60 00 00 48 c7 c6 ed 2d 19 a0 e8 69 ff ff ff
<4>[ 27.229916] ---[ end trace 56053a8fdac7f1f4 ]---</pre>
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