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<head>
<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 --- - bad PCH DPLL A refcount[ivb] WARNING: at drivers/gpu/drm/i915/intel_display.c:3023 intel_put_shared_dpll:"
href="https://bugs.freedesktop.org/show_bug.cgi?id=65674">65674</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>bad PCH DPLL A refcount[ivb] WARNING: at drivers/gpu/drm/i915/intel_display.c:3023 intel_put_shared_dpll:
</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>Probably a follow-on to <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ivb] WARNING: at drivers/gpu/drm/i915/intel_display.c:1437 ironlake_crtc_disable"
href="show_bug.cgi?id=65673">bug 65673</a>.
[ 1.201022] WARNING: at drivers/gpu/drm/i915/intel_display.c:3023
intel_put_shared_dpll+0x9f/0xd0()
[ 1.201023] bad PCH DPLL A refcount
[ 1.201024] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 3.10.0-rc5+
#482
[ 1.201025] Hardware name: Intel Corporation 2012 Client Platform/Emerald
Lake 2, BIOS ACRVMBY1.86C.0078.P00.1201161002 01/16/2012
[ 1.201026] 0000000000000009 ffff8802560bd4c0 ffffffff814a3406
ffff8802560bd4f8
[ 1.201027] ffffffff8103941b ffff8802558c6000 ffff88025550e748
ffff88025550c000
[ 1.201028] 0000000000000001 0000000000000000 ffff8802560bd558
ffffffff810394bc
[ 1.201028] Call Trace:
[ 1.201030] [<ffffffff814a3406>] dump_stack+0x19/0x1b
[ 1.201038] [<ffffffff81314eed>] __intel_set_mode+0x2bd/0x1290
[ 1.201039] [<ffffffff8123081a>] ? string.isra.3+0x3a/0xd0
[ 1.201041] [<ffffffff8123081a>] ? string.isra.3+0x3a/0xd0
[ 1.201042] [<ffffffff81231641>] ? vsnprintf+0x461/0x640
[ 1.201043] [<ffffffff813185f6>] intel_set_mode+0x16/0x30
[ 1.201045] [<ffffffff81318dc2>] intel_crtc_set_config+0x7b2/0x970
[ 1.201046] [<ffffffff812d58be>] drm_mode_set_config_internal+0x2e/0x60
[ 1.201048] [<ffffffff812c1541>] drm_fb_helper_set_par+0x71/0xf0
[ 1.201049] [<ffffffff81260fa4>] fbcon_init+0x514/0x590
[ 1.201051] [<ffffffff812ae8ac>] visual_init+0x8c/0xe0
[ 1.201053] [<ffffffff812b0a05>] do_bind_con_driver+0x115/0x2a0
[ 1.201055] [<ffffffff812b1dd1>] do_take_over_console+0x61/0x70
[ 1.201056] [<ffffffff8125f493>] do_fbcon_takeover+0x63/0xc0
[ 1.201057] [<ffffffff81263015>] fbcon_event_notify+0x705/0x810
[ 1.201059] [<ffffffff81061bed>] notifier_call_chain+0x4d/0x70
[ 1.201060] [<ffffffff81061f88>] __blocking_notifier_call_chain+0x58/0x80
[ 1.201061] [<ffffffff81061fc6>] blocking_notifier_call_chain+0x16/0x20
[ 1.201063] [<ffffffff812572db>] fb_notifier_call_chain+0x1b/0x20
[ 1.201064] [<ffffffff81259356>] register_framebuffer+0x1d6/0x310
[ 1.201066] [<ffffffff812c1211>] drm_fb_helper_initial_config+0x371/0x540
[ 1.201068] [<ffffffff81339ac1>] intel_fbdev_initial_config+0x21/0x30
[ 1.201069] [<ffffffff812e770e>] i915_driver_load+0xe3e/0xe70
[ 1.201071] [<ffffffff812d08e6>] drm_get_pci_dev+0x176/0x2a0
[ 1.201072] [<ffffffff812e29ac>] i915_pci_probe+0x2c/0x70
[ 1.201074] [<ffffffff812496ac>] pci_device_probe+0x9c/0xe0
[ 1.201075] [<ffffffff81350f77>] driver_probe_device+0x77/0x240
[ 1.201077] [<ffffffff813511eb>] __driver_attach+0xab/0xb0
[ 1.201078] [<ffffffff81351140>] ? driver_probe_device+0x240/0x240
[ 1.201079] [<ffffffff8134f29d>] bus_for_each_dev+0x5d/0xa0
[ 1.201081] [<ffffffff81350c9e>] driver_attach+0x1e/0x20
[ 1.201082] [<ffffffff8134fb7e>] bus_add_driver+0xfe/0x240
[ 1.201083] [<ffffffff818bb276>] ?
ftrace_define_fields_drm_vblank_event+0x69/0x69
[ 1.201084] [<ffffffff81351867>] driver_register+0x77/0x170
[ 1.201085] [<ffffffff818bb276>] ?
ftrace_define_fields_drm_vblank_event+0x69/0x69
[ 1.201087] [<ffffffff8124941c>] __pci_register_driver+0x4c/0x50
[ 1.201088] [<ffffffff812d0b25>] drm_pci_init+0x115/0x130
[ 1.201089] [<ffffffff818bb276>] ?
ftrace_define_fields_drm_vblank_event+0x69/0x69
[ 1.201090] [<ffffffff818bb2dc>] i915_init+0x66/0x68
[ 1.201092] [<ffffffff8188edb2>] do_one_initcall+0x7b/0x10f
[ 1.201094] [<ffffffff8188ef7a>] kernel_init_freeable+0x134/0x1c1
[ 1.201096] [<ffffffff8188e80b>] ? do_early_param+0x8a/0x8a
[ 1.201097] [<ffffffff814943a0>] ? rest_init+0x80/0x80
[ 1.201098] [<ffffffff814943ae>] kernel_init+0xe/0xf0
[ 1.201099] [<ffffffff814a866c>] ret_from_fork+0x7c/0xb0
[ 1.201101] [<ffffffff814943a0>] ? rest_init+0x80/0x80
[ 1.201101] ---[ end trace 2d08f775911e9ce2 ]---</pre>
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