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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Suspend fails for i915 with [drm] stuck on render ring"
href="https://bugs.freedesktop.org/show_bug.cgi?id=74200">74200</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>Suspend fails for i915 with [drm] stuck on render ring
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jcnengel@googlemail.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Suspend fails on Sandybridge using kernel 3.13.0.
dmesg says
[ 2242.966350] PM: Syncing filesystems ... done.
[ 2243.386166] PM: Preparing system for mem sleep
[ 2243.584624] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 2243.586486] Freezing remaining freezable tasks ... (elapsed 0.001 seconds)
done.
[ 2243.587647] PM: Entering mem sleep
[ 2243.587697] Suspending console(s) (use no_console_suspend to debug)
[ 2243.749810] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[ 2243.750125] sd 0:0:0:0: [sda] Stopping disk
[ 2249.095765] [drm] stuck on render ring
[ 2249.095803] i915 0000:00:02.0: GEM idle failed, resume might fail
[ 2249.095807] pci_pm_suspend(): i915_pm_suspend+0x0/0x80 returns -11
[ 2249.095810] dpm_run_callback(): pci_pm_suspend+0x0/0x140 returns -11
[ 2249.095814] PM: Device 0000:00:02.0 failed to suspend async: error -11
[ 2249.095820] PM: Some devices failed to suspend, or early wake event detected
lspci -vv says
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA
controller])
Subsystem: Lenovo Device 21d2
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 40
Region 0: Memory at f0000000 (64-bit, non-prefetchable) [size=4M]
Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at 4000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Address: fee0f00c Data: 4181
Capabilities: [d0] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [a4] PCI Advanced Features
AFCap: TP+ FLR+
AFCtrl: FLR-
AFStatus: TP-
Kernel driver in use: i915
If any additional logs are required, please let me know.</pre>
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