<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<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 --- - [ilk] *ERROR* failed to enable ironlake power power savings"
href="https://bugs.freedesktop.org/show_bug.cgi?id=58238">58238</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[ilk] *ERROR* failed to enable ironlake power power savings
</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>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</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>drm-intel-fixes: 335c07b7982eff480afdf8c9b25225511dd07031
[ 0.605346] WARNING: at drivers/gpu/drm/i915/i915_gem.c:1021
__wait_seqno+0x46d/0x490()
[ 0.605348] Hardware name: 08946JG
[ 0.605352] Pid: 1, comm: swapper/0 Not tainted 3.7.0-rc4+ #518
[ 0.605354] Call Trace:
[ 0.605364] [<ffffffff810380aa>] warn_slowpath_common+0x7a/0xb0
[ 0.605369] [<ffffffff810381ca>] warn_slowpath_null+0x1a/0x20
[ 0.605373] [<ffffffff812e528d>] __wait_seqno+0x46d/0x490
[ 0.605378] [<ffffffff81321b81>] ? ring_write_tail+0x21/0x30
[ 0.605382] [<ffffffff813232e5>] ? intel_ring_advance+0x45/0x50
[ 0.605387] [<ffffffff812e5b6f>] i915_wait_seqno+0x7f/0xa0
[ 0.605390] [<ffffffff81323071>] intel_ring_idle+0x41/0x70
[ 0.605398] [<ffffffff8131ca56>] intel_enable_gt_powersave+0x426/0x800
[ 0.605404] [<ffffffff81304ab1>] intel_modeset_init_hw+0x41/0x60
[ 0.605408] [<ffffffff81306346>] intel_modeset_gem_init+0x16/0x30
[ 0.605415] [<ffffffff812d72f3>] i915_driver_load+0xb63/0xe00
[ 0.605421] [<ffffffff812c1006>] drm_get_pci_dev+0x186/0x2d0
[ 0.605428] [<ffffffff8144530f>] i915_pci_probe+0x78/0x81
[ 0.605434] [<ffffffff81230ead>] pci_device_probe+0x7d/0xb0
[ 0.605439] [<ffffffff81332aea>] ? driver_sysfs_add+0x7a/0xb0
[ 0.605443] [<ffffffff81333196>] driver_probe_device+0x76/0x230
[ 0.605447] [<ffffffff813333fb>] __driver_attach+0xab/0xb0
[ 0.605451] [<ffffffff81333350>] ? driver_probe_device+0x230/0x230
[ 0.605455] [<ffffffff813314f5>] bus_for_each_dev+0x55/0x90
[ 0.605459] [<ffffffff81332ece>] driver_attach+0x1e/0x20
[ 0.605462] [<ffffffff81331e78>] bus_add_driver+0x188/0x260
[ 0.605466] [<ffffffff81333a97>] driver_register+0x77/0x170
[ 0.605473] [<ffffffff818a4c33>] ? agp_intel_init+0x2c/0x2c
[ 0.605477] [<ffffffff81230c89>] __pci_register_driver+0x49/0x50
[ 0.605481] [<ffffffff812c1265>] drm_pci_init+0x115/0x130
[ 0.605485] [<ffffffff818a4d69>] ? drm_core_init+0x136/0x136
[ 0.605489] [<ffffffff818a4dcf>] i915_init+0x66/0x68
[ 0.605495] [<ffffffff81884b12>] do_one_initcall+0x7a/0x129
[ 0.605502] [<ffffffff8143f724>] kernel_init+0x2a4/0x2f0
[ 0.605506] [<ffffffff8188457f>] ? do_early_param+0x8c/0x8c
[ 0.605511] [<ffffffff8143f480>] ? rest_init+0x70/0x70
[ 0.605516] [<ffffffff8145799c>] ret_from_fork+0x7c/0xb0
[ 0.605520] [<ffffffff8143f480>] ? rest_init+0x70/0x70
[ 0.605530] ---[ end trace e6490c0a07110b9b ]---
[ 0.605533] [drm:ironlake_enable_rc6] *ERROR* failed to enable ironlake
power power savings</pre>
</div>
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