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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 - [BAT] [IVB] kms_flip blt-wf_vblank-vs-dpms GPU hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100261">100261</a>
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</tr>
<tr>
<th>Summary</th>
<td>[BAT] [IVB] kms_flip blt-wf_vblank-vs-dpms GPU hang
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</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>
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<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>dorota.czaplejewicz@collabora.co.uk
</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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<pre>Created <span class=""><a href="attachment.cgi?id=130296" name="attach_130296" title="Complete compressed dmesg since test beginning">attachment 130296</a> <a href="attachment.cgi?id=130296&action=edit" title="Complete compressed dmesg since test beginning">[details]</a></span>
Complete compressed dmesg since test beginning
On IVB-3770 the test kms_flip blt-wf_vblank-vs-dpms hangs the system - no
longer responds to pings.
Kernel: drm-tip: 2017y-03m-17d-15h-12m-48s
No screen connected.
Run log:
$ sudo ./kms_flip --r blt-wf_vblank-vs-dpms
IGT-Version: 1.18-gd08d263 (x86_64) (Linux: 4.11.0-rc2-CI-CI_DRM_2362_9942f19+
x86_64)
Using monotonic timestamps
Beginning blt-wf_vblank-vs-dpms on pipe A, connector VGA-1
1024x768 60 1024 1048 1184 1344 768 771 777 806 0xa 0x40 65000
.
Dmesg:
[ 102.388446] [drm:intel_dump_pipe_config [i915]] requested mode:
[ 102.388452] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 60
65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
[ 102.388481] [drm:intel_dump_pipe_config [i915]] adjusted mode:
[ 102.388488] [drm:drm_mode_debug_printmodeline] Modeline 0:"1024x768" 60
65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
[ 102.388517] [drm:intel_dump_pipe_config [i915]] crtc timings: 65000 1024
1048 1184 1344 768 771 777 806, type: 0x40 flags: 0xa
[ 102.388543] [drm:intel_dump_pipe_config [i915]] port clock: 65000, pipe src
size: 1024x768, pixel rate 65000
[ 102.388572] [drm:intel_dump_pipe_config [i915]] pch pfit: pos: 0x00000000,
size: 0x00000000, disabled
[ 102.388601] [drm:intel_dump_pipe_config [i915]] ips: 0, double wide: 0
[ 102.388629] [drm:ibx_dump_hw_state [i915]] dpll_hw_state: dpll: 0xc4100010,
dpll_md: 0x0, fp0: 0x10c09, fp1: 0x10c09
[ 102.388655] [drm:intel_dump_pipe_config [i915]] planes on this crtc
[ 102.388684] [drm:intel_dump_pipe_config [i915]] [PLANE:26:primary A] FB:71,
fb = 1024x768 format = XR24 little-endian (0x34325258)
[ 102.388710] [drm:intel_dump_pipe_config [i915]] [PLANE:28:sprite A]
disabled, scaler_id = 0
[ 102.388762] [drm:intel_dump_pipe_config [i915]] [PLANE:30:cursor A]
disabled, scaler_id = 0
[ 102.388792] [drm:intel_plane_atomic_calc_changes [i915]] [CRTC:32:pipe A]
has [PLANE:26:primary A] with fb 71
[ 102.388821] [drm:intel_plane_atomic_calc_changes [i915]] [PLANE:26:primary
A] visible 0 -> 1, off 0, on 1, ms 1
[ 102.388866] [drm:intel_find_shared_dpll [i915]] [CRTC:32:pipe A] allocated
PCH DPLL A
[ 102.388893] [drm:intel_reference_shared_dpll [i915]] using PCH DPLL A for
pipe A
[ 102.388940] [drm:drm_atomic_commit] commiting ffff8802226864f8
[ 104.825671] [drm:missed_breadcrumb [i915]] blitter ring missed breadcrumb at
intel_breadcrumbs_hangcheck+0x5c/0x80 [i915], irq posted? no
[ 108.930913] [drm] GPU HANG: ecode 7:1:0xe77ffef3, in kms_flip [1096],
reason: Hang on blitter ring, action: reset
[ 108.930941] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 108.930943] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 108.930944] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 108.930945] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 108.930946] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 108.931235] [drm:i915_reset_and_wakeup [i915]] resetting chip
[ 113.277565] asynchronous wait on fence i915:[global]:a timed out</pre>
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