[Bug 92465] [SKL] WARNING: CPU: 7 PID: 1724 at drivers/gpu/drm/i915/intel_csr.c:481 assert_csr_loaded+0x9c/0x140 [i915] when waking display after long idle period

Sun Oct 18 11:51:07 PDT 2015

https://bugs.freedesktop.org/show_bug.cgi?id=92465

--- Comment #1 from Joseph Yasi <joe.yasi at gmail.com> ---
This was followed by another warning in intel_uncore.c about unclaimed
registers when triggering DPMS again after getting the first warning.

Oct 14 19:56:23 fishasshole kernel: [69004.595585] ------------[ cut here
]------------
Oct 14 19:56:23 fishasshole kernel: [69004.595619] WARNING: CPU: 3 PID: 1724 at
drivers/gpu/drm/i915/intel_uncore.c:619 hsw_unclaimed_reg_debug+0x63/0x80
[i915]()
Oct 14 19:56:23 fishasshole kernel: [69004.595623] Unclaimed register detected
after reading register 0x7127c
Oct 14 19:56:23 fishasshole kernel: [69004.595626] Modules linked in: nfsv3 nfs
fscache ip6table_filter ip6_tables iptable_filter ip_tables x_tables rfcomm tun
bnep pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc uvcvideo btusb
videobuf2_vmalloc videobuf2_core btrtl videobuf2_memops btbcm v4l2_common
btintel videodev bluetooth snd_usb_audio media vboxdrv(O) snd_usbmidi_lib
input_leds hid_generic usbhid uas usb_storage vfat fat snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec
snd_hwdep snd_hda_core snd_pcm_oss snd_mixer_oss mxm_wmi wl(PO) snd_pcm
intel_rapl snd_seq_oss iosf_mbi snd_seq_midi snd_rawmidi x86_pkg_temp_thermal
intel_powerclamp snd_seq_midi_event snd_seq crct10dif_pclmul snd_seq_device
crc32_pclmul snd_timer aesni_intel aes_x86_64 snd cfg80211 lrw glue_helper
soundcore ablk_helper tpm_tis rfkill cryptd efivars tpm battery xhci_pci
xhci_hcd intel_lpss_acpi intel_lpss usbcore mfd_core usb_common acpi_als
acpi_pad wmi processor kfifo_buf industrialio coretemp loop fuse nfsd
auth_rpcgss oid_registry nfs_acl lockd grace sunrpc efivarfs ipv6 bcache igb
crc32c_intel hwmon e1000e psmouse dca ptp pps_core i915 intel_gtt i2c_algo_bit
drm_kms_helper syscopyarea sysfillrect sr_mod sysimgblt cdrom fb_sys_fops sg
drm i2c_core fan thermal video button
Oct 14 19:56:23 fishasshole kernel: [69004.595754] CPU: 3 PID: 1724 Comm: Xorg
Tainted: P        W  O    4.3.0-rc5+git20151013-customskl-drmnightly #1
Oct 14 19:56:23 fishasshole kernel: [69004.595757] Hardware name: System
manufacturer System Product Name/Z170-DELUXE, BIOS 1003 09/22/2015
Oct 14 19:56:23 fishasshole kernel: [69004.595760]  ffffffffc01d2178
ffffffff8131ec0e ffff88044f5fbab0 ffffffff81047407
Oct 14 19:56:23 fishasshole kernel: [69004.595765]  ffff88045e610000
ffff88044f5fbb00 0000000000000000 ffff88045e610080
Oct 14 19:56:23 fishasshole kernel: [69004.595770]  0000000000000246
ffffffff81047487 ffffffffc01d2140 ffffffff00000030
Oct 14 19:56:23 fishasshole kernel: [69004.595775] Call Trace:
Oct 14 19:56:23 fishasshole kernel: [69004.595785]  [<ffffffff8131ec0e>] ?
dump_stack+0x47/0x69
Oct 14 19:56:23 fishasshole kernel: [69004.595791]  [<ffffffff81047407>] ?
warn_slowpath_common+0x77/0xb0
Oct 14 19:56:23 fishasshole kernel: [69004.595795]  [<ffffffff81047487>] ?
warn_slowpath_fmt+0x47/0x50
Oct 14 19:56:23 fishasshole kernel: [69004.595818]  [<ffffffffc0152473>] ?
hsw_unclaimed_reg_debug+0x63/0x80 [i915]
Oct 14 19:56:23 fishasshole kernel: [69004.595837]  [<ffffffffc01545a7>] ?
gen9_read32+0x107/0x280 [i915]
Oct 14 19:56:23 fishasshole kernel: [69004.595853]  [<ffffffffc011b728>] ?
skl_ddb_get_hw_state+0x68/0x130 [i915]
Oct 14 19:56:23 fishasshole kernel: [69004.595875]  [<ffffffffc0162aee>] ?
check_wm_state+0x3e/0x190 [i915]
Oct 14 19:56:23 fishasshole kernel: [69004.595896]  [<ffffffffc01428e3>] ?
i915_gem_object_unpin_from_display_plane+0x13/0x40 [i915]
Oct 14 19:56:23 fishasshole kernel: [69004.595917]  [<ffffffffc016e3bb>] ?
intel_unpin_fb_obj+0x4b/0xc0 [i915]
Oct 14 19:56:23 fishasshole kernel: [69004.595939]  [<ffffffffc0173336>] ?
intel_atomic_commit+0x496/0x1290 [i915]
Oct 14 19:56:23 fishasshole kernel: [69004.595947]  [<ffffffffc00d95bf>] ?
drm_atomic_helper_check_planes+0x12f/0x1a0 [drm_kms_helper]
Oct 14 19:56:23 fishasshole kernel: [69004.595955]  [<ffffffffc00da754>] ?
drm_atomic_helper_connector_dpms+0xe4/0x190 [drm_kms_helper]
Oct 14 19:56:23 fishasshole kernel: [69004.595970]  [<ffffffffc006c871>] ?
drm_mode_obj_set_property_ioctl+0x231/0x240 [drm]
Oct 14 19:56:23 fishasshole kernel: [69004.595981]  [<ffffffffc006c8a9>] ?
drm_mode_connector_property_set_ioctl+0x29/0x30 [drm]
Oct 14 19:56:23 fishasshole kernel: [69004.595991]  [<ffffffffc005ea31>] ?
drm_ioctl+0x121/0x490 [drm]
Oct 14 19:56:23 fishasshole kernel: [69004.596001]  [<ffffffffc006c880>] ?
drm_mode_obj_set_property_ioctl+0x240/0x240 [drm]
Oct 14 19:56:23 fishasshole kernel: [69004.596007]  [<ffffffff81326374>] ?
timerqueue_add+0x54/0xa0
Oct 14 19:56:23 fishasshole kernel: [69004.596014]  [<ffffffff81095491>] ?
hrtimer_start_range_ns+0x191/0x300
Oct 14 19:56:23 fishasshole kernel: [69004.596020]  [<ffffffff81141b2e>] ?
do_vfs_ioctl+0x2be/0x490
Oct 14 19:56:23 fishasshole kernel: [69004.596027]  [<ffffffff814d1528>] ?
__sys_recvmsg+0x58/0x70
Oct 14 19:56:23 fishasshole kernel: [69004.596031]  [<ffffffff8114ab7b>] ?
__fget+0x6b/0xb0
Oct 14 19:56:23 fishasshole kernel: [69004.596034]  [<ffffffff81141d71>] ?
SyS_ioctl+0x71/0x80
Oct 14 19:56:23 fishasshole kernel: [69004.596041]  [<ffffffff8158be9b>] ?
entry_SYSCALL_64_fastpath+0x16/0x6e
Oct 14 19:56:23 fishasshole kernel: [69004.596044] ---[ end trace
c87c9af3b25b49dc ]---
Oct 14 19:56:25 fishasshole kernel: [69006.120762] [drm:intel_pipe_update_end
[i915]] *ERROR* Atomic update failure on pipe A (start=160977 end=160978) time
5 us, min 1073, max 1079, scanline start 1, end 1080

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