[Bug 102221] GPU HANG on rcs0 on Intel i915 on drm-tip

Mon Aug 14 19:51:54 UTC 2017

https://bugs.freedesktop.org/show_bug.cgi?id=102221

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
No, extra drm.debug is not required. Looks like it didn't send the final
context-switch interrupt.

Reasonable suspicion laid on

Aug 14 18:51:41 precision kernel: [ 7196.525920] DC6 already programmed to be
enabled.
Aug 14 18:51:41 precision kernel: [ 7196.525947] ------------[ cut here
]------------
Aug 14 18:51:41 precision kernel: [ 7196.525981] WARNING: CPU: 6 PID: 13635 at
drivers/gpu/drm/i915/intel_runtime_pm.c:606 skl_enable_dc6+0x9f/0xb0 [i915]
Aug 14 18:51:41 precision kernel: [ 7196.525981] Modules linked in:
snd_usb_toneport snd_usb_line6 rfcomm ccm cmac bnep hid_multitouch
snd_hda_codec_hdmi nls_iso8859_1 dell_rbtn dell_laptop snd_hda_codec_realtek
snd_hda_codec_generic intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp
kvm_intel kvm irqbypass joydev dell_wmi dell_smbios serio_raw dcdbas wmi_bmof
snd_hda_intel snd_hda_codec snd_hda_core snd_usb_audio snd_usbmidi_lib
snd_hwdep snd_pcm iwlmvm snd_seq_midi snd_seq_midi_event thunderbolt nvmem_core
snd_rawmidi mac80211 rtsx_pci_ms memstick snd_seq uvcvideo videobuf2_vmalloc
snd_seq_device videobuf2_memops snd_timer videobuf2_v4l2 input_leds
videobuf2_core videodev snd media usblp soundcore iwlwifi mei_me btusb mei
idma64 btrtl intel_pch_thermal intel_lpss_pci processor_thermal_device
intel_soc_dts_iosf shpchp ie31200_edac
Aug 14 18:51:41 precision kernel: [ 7196.526000]  hci_uart btbcm serdev btqca
int3403_thermal btintel bluetooth ecdh_generic intel_lpss_acpi dell_smo8800
intel_lpss int3402_thermal int340x_thermal_zone int3400_thermal mac_hid
acpi_pad acpi_thermal_rel intel_hid parport_pc ppdev lp parport efivarfs
autofs4 btrfs xor raid6_pq algif_skcipher af_alg dm_crypt dm_mirror
dm_region_hash dm_log rtsx_pci_sdmmc mmc_core crct10dif_pclmul crc32_pclmul
crc32c_intel ghash_clmulni_intel pcbc nouveau i915 aesni_intel aes_x86_64
crypto_simd glue_helper cryptd firewire_ohci psmouse mxm_wmi ttm firewire_core
prime_numbers i2c_algo_bit crc_itu_t drm_kms_helper syscopyarea sysfillrect
nvme sysimgblt fb_sys_fops nvme_core rtsx_pci drm i2c_hid wmi
pinctrl_sunrisepoint pinctrl_intel [last unloaded: snd_usb_line6]
Aug 14 18:51:41 precision kernel: [ 7196.526060] CPU: 6 PID: 13635 Comm:
kworker/u16:1 Tainted: G        W       4.13.0-rc4+ #4
Aug 14 18:51:41 precision kernel: [ 7196.526061] Hardware name: Dell Inc.
Precision 5510/08R8KJ, BIOS 1.2.29 07/24/2017
Aug 14 18:51:41 precision kernel: [ 7196.526078] Workqueue: i915-dp
i915_digport_work_func [i915]
Aug 14 18:51:41 precision kernel: [ 7196.526079] task: ffff8a6a6db55d00
task.stack: ffffb595c72ec000
Aug 14 18:51:41 precision kernel: [ 7196.526089] RIP:
0010:skl_enable_dc6+0x9f/0xb0 [i915]
Aug 14 18:51:41 precision kernel: [ 7196.526090] RSP: 0018:ffffb595c72efd48
EFLAGS: 00010286
Aug 14 18:51:41 precision kernel: [ 7196.526091] RAX: 0000000000000025 RBX:
ffff8a6b938c8000 RCX: 0000000000000000
Aug 14 18:51:41 precision kernel: [ 7196.526091] RDX: 0000000000000000 RSI:
ffff8a6bbdd8cc38 RDI: ffff8a6bbdd8cc38
Aug 14 18:51:41 precision kernel: [ 7196.526092] RBP: ffffb595c72efd50 R08:
00000000000029f0 R09: 0000000000000004
Aug 14 18:51:41 precision kernel: [ 7196.526092] R10: 0000000000000040 R11:
0000000000000001 R12: ffff8a6b938c8000
Aug 14 18:51:41 precision kernel: [ 7196.526093] R13: ffff8a6b938ccbc0 R14:
ffffffffc04613f8 R15: 0000000020000000
Aug 14 18:51:41 precision kernel: [ 7196.526093] FS:  0000000000000000(0000)
GS:ffff8a6bbdd80000(0000) knlGS:0000000000000000
Aug 14 18:51:41 precision kernel: [ 7196.526094] CS:  0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Aug 14 18:51:41 precision kernel: [ 7196.526094] CR2: 000000000337b010 CR3:
000000073a60a000 CR4: 00000000003406e0
Aug 14 18:51:41 precision kernel: [ 7196.526095] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Aug 14 18:51:41 precision kernel: [ 7196.526095] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Aug 14 18:51:41 precision kernel: [ 7196.526096] Call Trace:
Aug 14 18:51:41 precision kernel: [ 7196.526106] 
gen9_dc_off_power_well_disable+0x24/0x30 [i915]
Aug 14 18:51:41 precision kernel: [ 7196.526135] 
intel_power_well_disable+0x39/0x40 [i915]
Aug 14 18:51:41 precision kernel: [ 7196.526144] 
intel_display_power_put+0xad/0x110 [i915]
Aug 14 18:51:41 precision kernel: [ 7196.526159] 
intel_dp_hpd_pulse+0x15e/0x300 [i915]
Aug 14 18:51:41 precision kernel: [ 7196.526172] 
i915_digport_work_func+0x85/0xf0 [i915]
Aug 14 18:51:41 precision kernel: [ 7196.526174]  process_one_work+0x1d6/0x3d0
Aug 14 18:51:41 precision kernel: [ 7196.526175]  worker_thread+0x42/0x3e0
Aug 14 18:51:41 precision kernel: [ 7196.526177]  kthread+0x11f/0x140
Aug 14 18:51:41 precision kernel: [ 7196.526178]  ?
trace_event_raw_event_workqueue_execute_start+0xb0/0xb0
Aug 14 18:51:41 precision kernel: [ 7196.526179]  ?
kthread_create_on_node+0x60/0x60
Aug 14 18:51:41 precision kernel: [ 7196.526181]  ret_from_fork+0x22/0x30
Aug 14 18:51:41 precision kernel: [ 7196.526182] Code: 05 35 1b 13 00 01 e8 3d
05 56 f8 0f ff eb 99 80 3d 24 1b 13 00 00 75 a7 48 c7 c7 00 11 46 c0 c6 05 14
1b 13 00 01 e8 1d 05 56 f8 <0f> ff eb 90 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00
48 83 bf 40
Aug 14 18:51:41 precision kernel: [ 7196.526196] ---[ end trace
db26e1435af3d97b ]---
Aug 14 18:51:41 precision kernel: [ 7196.526476] [drm:gen9_set_dc_state [i915]]
*ERROR* DC state mismatch (0x0 -> 0x2)
Aug 14 18:52:41 precision kernel: [ 7255.928570] [drm:gen9_set_dc_state [i915]]
*ERROR* DC state mismatch (0x0 -> 0x2)
Aug 14 18:53:37 precision kernel: [ 7312.530599] [drm:gen9_set_dc_state [i915]]
*ERROR* DC state mismatch (0x0 -> 0x2)

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the QA Contact for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20170814/e08b1783/attachment.html>