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<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [skl] WARN_ON(!intel_pstate->base.fb) spam"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98618">98618</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[skl] WARN_ON(!intel_pstate->base.fb) spam
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg 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>chris@chris-wilson.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>
<p>
<div>
<pre>Nov 6 17:28:53 skylake kernel: [ 2330.654222] WARNING: CPU: 3 PID: 1212 at
drivers/gpu/drm/i915/intel_pm.c:3743 skl_compute_wm+0xbc0/0x1370
Nov 6 17:28:53 skylake kernel: [ 2330.654222] WARN_ON(!intel_pstate->base.fb)
Nov 6 17:28:53 skylake kernel: [ 2330.654223] Modules linked in:
Nov 6 17:28:53 skylake kernel: [ 2330.654224] hid_generic hidp rfcomm bnep
binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi input_leds snd_hda_codec_realtek
snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep
snd_pcm btusb btrtl 8250_dw snd_seq_midi snd_seq_midi_event iwlwifi snd_rawmidi
hid_lenovo snd_seq idma64 x86_pkg_temp_thermal virt_dma coretemp snd_seq_device
cfg80211 hci_uart snd_timer crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
btbcm btqca aesni_intel btintel aes_x86_64 bluetooth snd lrw gf128mul
glue_helper ablk_helper cryptd soundcore intel_lpss_pci intel_pch_thermal
intel_lpss_acpi acpi_als intel_lpss kfifo_buf mfd_core industrialio acpi_pad
autofs4 hid_plantronics dm_mirror usbhid dm_region_hash dm_log sdhci_pci ahci
sdhci libahci i2c_hid hid
Nov 6 17:28:53 skylake kernel: [ 2330.654255] CPU: 3 PID: 1212 Comm: Xorg Not
tainted 4.9.0-rc3+ #216
Nov 6 17:28:53 skylake kernel: [ 2330.654256] Hardware name:
/NUC6i3SYB, BIOS SYSKLi35.86A.0024.2015.1027.2142 10/27/2015
Nov 6 17:28:53 skylake kernel: [ 2330.654257] ffffc900007af9f8
ffffffff812bb1a8 ffffc900007afa48 0000000000000000
Nov 6 17:28:53 skylake kernel: [ 2330.654259] ffffc900007afa38
ffffffff8104f5f1 00000e9f00000000 0000000000000000
Nov 6 17:28:53 skylake kernel: [ 2330.654260] ffff88084bcb4800
ffff8808441be0c0 ffff880845760800 0000000000000000
Nov 6 17:28:53 skylake kernel: [ 2330.654262] Call Trace:
Nov 6 17:28:53 skylake kernel: [ 2330.654266] [<ffffffff812bb1a8>]
dump_stack+0x4d/0x65
Nov 6 17:28:53 skylake kernel: [ 2330.654268] [<ffffffff8104f5f1>]
__warn+0xc1/0xe0
Nov 6 17:28:53 skylake kernel: [ 2330.654269] [<ffffffff8104f66a>]
warn_slowpath_fmt+0x5a/0x80
Nov 6 17:28:53 skylake kernel: [ 2330.654271] [<ffffffff81402dc0>]
skl_compute_wm+0xbc0/0x1370
Nov 6 17:28:53 skylake kernel: [ 2330.654274] [<ffffffff81460b11>]
intel_atomic_check+0x471/0x1100
Nov 6 17:28:53 skylake kernel: [ 2330.654275] [<ffffffff813e0bac>]
drm_atomic_check_only+0x45c/0x580
Nov 6 17:28:53 skylake kernel: [ 2330.654277] [<ffffffff813e0d33>]
drm_atomic_nonblocking_commit+0x13/0x50
Nov 6 17:28:53 skylake kernel: [ 2330.654279] [<ffffffff813c3138>]
drm_atomic_helper_page_flip+0x118/0x150
Nov 6 17:28:53 skylake kernel: [ 2330.654281] [<ffffffff813e7a1c>]
drm_mode_page_flip_ioctl+0x38c/0x430
Nov 6 17:28:53 skylake kernel: [ 2330.654283] [<ffffffff813cd7f1>]
drm_ioctl+0x1f1/0x4a0
Nov 6 17:28:53 skylake kernel: [ 2330.654285] [<ffffffff813e7690>] ?
drm_mode_cursor2_ioctl+0x10/0x10
Nov 6 17:28:53 skylake kernel: [ 2330.654288] [<ffffffff812c4269>] ?
timerqueue_add+0x59/0xb0
Nov 6 17:28:53 skylake kernel: [ 2330.654290] [<ffffffff810a1dc8>] ?
hrtimer_start_range_ns+0x1c8/0x350
Nov 6 17:28:53 skylake kernel: [ 2330.654292] [<ffffffff811876ac>]
do_vfs_ioctl+0x9c/0x5c0
Nov 6 17:28:53 skylake kernel: [ 2330.654294] [<ffffffff8105a8d5>] ?
recalc_sigpending+0x15/0x40
Nov 6 17:28:53 skylake kernel: [ 2330.654295] [<ffffffff8105b547>] ?
__set_task_blocked+0x37/0x90
Nov 6 17:28:53 skylake kernel: [ 2330.654298] [<ffffffff8161319b>] ?
__sys_recvmsg+0x7b/0x90
Nov 6 17:28:53 skylake kernel: [ 2330.654299] [<ffffffff81187c0c>]
SyS_ioctl+0x3c/0x70
Nov 6 17:28:53 skylake kernel: [ 2330.654301] [<ffffffff81713024>]
entry_SYSCALL_64_fastpath+0x17/0x98</pre>
</div>
</p>
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