<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT SKL] WARN Unclaimed register detected (0x65f10) / gem_exec_suspend@basic-s4"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96214#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT SKL] WARN Unclaimed register detected (0x65f10) / gem_exec_suspend@basic-s4"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96214">bug 96214</a>
from <span class="vcard"><a class="email" href="mailto:jwrdegoede@fedoraproject.org" title="Hans de Goede <jwrdegoede@fedoraproject.org>"> <span class="fn">Hans de Goede</span></a>
</span></b>
<pre>(In reply to Chris Wilson from <a href="show_bug.cgi?id=96214#c7">comment #7</a>)
<span class="quote">> Should be fixed by <a href="https://patchwork.freedesktop.org/patch/97995/">https://patchwork.freedesktop.org/patch/97995/</a></span >
Thank you for working on this, I'm hitting this too on my skylake Dell XPS 15,
I've just tried a 4.6.4 kernel with the patch applied and I'm afraid it does
NOT solve the issue I'm still getting this WARN_ON:
[ 32.343706] ------------[ cut here ]------------
[ 32.343733] WARNING: CPU: 7 PID: 1605 at
drivers/gpu/drm/i915/intel_uncore.c:649 __unclaimed_reg_debug+0x7b/0x90 [i915]
[ 32.343735] Unclaimed register detected after reading register 0x65f10
[ 32.343735] Modules linked in: fuse xt_CHECKSUM iptable_mangle
ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack tun bridge stp llc
ebtable_filter ebtables ip6table_filter ip6_tables cpufreq_stats bnep vfat fat
hid_multitouch snd_hda_codec_hdmi dell_led snd_hda_codec_realtek mei_wdt
brcmfmac i2c_designware_platform snd_hda_codec_generic i2c_designware_core
dell_wmi brcmutil cfg80211 intel_rapl x86_pkg_temp_thermal coretemp kvm_intel
dell_laptop snd_hda_intel snd_hda_codec uvcvideo kvm dell_smbios dcdbas
rtsx_pci_ms snd_hda_core snd_hwdep snd_seq memstick snd_seq_device snd_pcm
irqbypass videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_timer
videobuf2_core joydev snd videodev i2c_i801 soundcore idma64 hci_uart btusb
[ 32.343763] mei_me btrtl btqca btbcm media mei btintel intel_lpss_pci
shpchp processor_thermal_device int3403_thermal intel_soc_dts_iosf bluetooth
dell_smo8800 pinctrl_sunrisepoint rfkill intel_lpss_acpi pinctrl_intel
intel_lpss int3402_thermal int340x_thermal_zone intel_hid int3400_thermal
acpi_als acpi_thermal_rel kfifo_buf industrialio tpm_tis sparse_keymap tpm
acpi_pad binfmt_misc nouveau i915 rtsx_pci_sdmmc mmc_core crct10dif_pclmul
crc32_pclmul mxm_wmi crc32c_intel i2c_algo_bit drm_kms_helper
ghash_clmulni_intel ttm drm serio_raw nvme rtsx_pci nvme_core i2c_hid wmi video
fjes sunrpc scsi_transport_iscsi
[ 32.343785] CPU: 7 PID: 1605 Comm: pulseaudio Not tainted
4.6.4-301.bko120451.fc24.x86_64 #1
[ 32.343786] Hardware name: Dell Inc. XPS 15 9550/0N7TVV, BIOS 01.02.00
04/07/2016
[ 32.343787] 0000000000000086 000000000e3ed293 ffff88049813b788
ffffffff813dbcaf
[ 32.343789] ffff88049813b7d8 0000000000000000 ffff88049813b7c8
ffffffff810a742b
[ 32.343791] 000002890e3ed293 0000000000000000 0000000000000001
0000000000065f10
[ 32.343793] Call Trace:
[ 32.343796] [<ffffffff813dbcaf>] dump_stack+0x63/0x84
[ 32.343799] [<ffffffff810a742b>] __warn+0xcb/0xf0
[ 32.343801] [<ffffffff810a74af>] warn_slowpath_fmt+0x5f/0x80
[ 32.343804] [<ffffffff8169d838>] ? pci_conf1_write+0xb8/0xf0
[ 32.343819] [<ffffffffc0246a5b>] __unclaimed_reg_debug+0x7b/0x90 [i915]
[ 32.343834] [<ffffffffc024c4ab>] gen9_read32+0x35b/0x390 [i915]
[ 32.343837] [<ffffffff81529f6b>] ? __pm_runtime_resume+0x5b/0x70
[ 32.343852] [<ffffffffc0252ad1>]
i915_audio_component_codec_wake_override+0x41/0xc0 [i915]
[ 32.343857] [<ffffffffc066ec4f>] snd_hdac_set_codec_wakeup+0x3f/0xa0
[snd_hda_core]
[ 32.343860] [<ffffffffc07eaa8f>] azx_runtime_resume+0x17f/0x190
[snd_hda_intel]
[ 32.343862] [<ffffffff8142a1cb>] pci_pm_runtime_resume+0x7b/0xa0
[ 32.343863] [<ffffffff8142a150>] ? pci_restore_standard_config+0x40/0x40
[ 32.343865] [<ffffffff81528517>] __rpm_callback+0x27/0x70
[ 32.343867] [<ffffffff8142a150>] ? pci_restore_standard_config+0x40/0x40
[ 32.343869] [<ffffffff81528584>] rpm_callback+0x24/0x80
[ 32.343870] [<ffffffff8142a150>] ? pci_restore_standard_config+0x40/0x40
[ 32.343872] [<ffffffff81528f04>] rpm_resume+0x494/0x6a0
[ 32.343874] [<ffffffff812222a5>] ? ___slab_alloc+0x295/0x520
[ 32.343875] [<ffffffff81528d46>] rpm_resume+0x2d6/0x6a0
[ 32.343877] [<ffffffff81223295>] ? __kmalloc+0x1e5/0x220
[ 32.343879] [<ffffffff81529f5e>] __pm_runtime_resume+0x4e/0x70
[ 32.343882] [<ffffffffc0668e93>] snd_hdac_power_up+0x13/0x20 [snd_hda_core]
[ 32.343887] [<ffffffffc06f59dc>] azx_pcm_open+0x1dc/0x3c0 [snd_hda_codec]
[ 32.343892] [<ffffffffc05ed47b>] snd_pcm_open_substream+0x7b/0x130
[snd_pcm]
[ 32.343895] [<ffffffffc05ed5e7>] snd_pcm_open+0xb7/0x250 [snd_pcm]
[ 32.343897] [<ffffffff81222832>] ? kmem_cache_alloc_trace+0x182/0x1d0
[ 32.343900] [<ffffffffc050d8ca>] ? snd_card_file_add+0x2a/0xd0 [snd]
[ 32.343902] [<ffffffff810d2070>] ? wake_up_q+0x70/0x70
[ 32.343905] [<ffffffffc05ed7c7>] snd_pcm_capture_open+0x47/0x70 [snd_pcm]
[ 32.343908] [<ffffffffc050d461>] snd_open+0xb1/0x180 [snd]
[ 32.343910] [<ffffffff8124de30>] chrdev_open+0xb0/0x180
[ 32.343911] [<ffffffff812466f1>] do_dentry_open+0x201/0x2e0
[ 32.343913] [<ffffffff8124dd80>] ? cdev_put+0x30/0x30
[ 32.343914] [<ffffffff81247ae4>] vfs_open+0x54/0x80
[ 32.343916] [<ffffffff81254fec>] ? may_open+0x8c/0x100
[ 32.343918] [<ffffffff81257d81>] path_openat+0x1d1/0x15b0
[ 32.343920] [<ffffffff8125a391>] do_filp_open+0x91/0x100
[ 32.343922] [<ffffffff8126771f>] ? __alloc_fd+0x3f/0x170
[ 32.343924] [<ffffffff81247ea0>] do_sys_open+0x130/0x220
[ 32.343925] [<ffffffff81247fae>] SyS_open+0x1e/0x20
[ 32.343927] [<ffffffff817e0772>] entry_SYSCALL_64_fastpath+0x1a/0xa4
[ 32.343929] ---[ end trace 66ff1059d057cdec ]---</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>