[Bug 104512] [i915]Failed to release pages: bind_count=1, pages_pin_count=1, pin_display=0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104512

--- Comment #5 from fede at fpaterno.com ---
Same here on Lenovo ThinkPad X1 Carbon 3rd Gen running Ubuntu with gnome shell,
error happens just by booting:


∫ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.3 LTS
Release:        16.04
Codename:       xenial



∫ uname -a
Linux X1 4.14.13-041413-generic #201801101001 SMP Wed Jan 10 10:02:53 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux




[   28.192985] Failed to release pages: bind_count=1, pages_pin_count=1,
pin_display=0
[   28.193017] ------------[ cut here ]------------
[   28.193046] WARNING: CPU: 0 PID: 99 at
/home/kernel/COD/linux/drivers/gpu/drm/i915/i915_gem_userptr.c:89
cancel_userptr+0xdc/0xe0 [i915]
[   28.193047] Modules linked in: rfcomm ccm ebtable_filter ebtables bnep
ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 xt_hl ip6t_rt cmdlinepart binfmt_misc
intel_spi_platform intel_spi spi_nor mtd dm_crypt uvcvideo videobuf2_vmalloc
videobuf2_memops cdc_mbim videobuf2_v4l2 intel_rapl nf_conntrack_ipv6
nf_defrag_ipv6 videobuf2_core cdc_wdm x86_pkg_temp_thermal intel_powerclamp
cdc_ncm btusb coretemp usbnet kvm_intel ipt_REJECT nf_reject_ipv4 videodev
nf_log_ipv4 nf_log_common btrtl btbcm kvm btintel xt_LOG bluetooth mii xt_limit
irqbypass crct10dif_pclmul xt_tcpudp cdc_acm xt_addrtype media ecdh_generic
arc4 crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64
snd_hda_codec_hdmi iwlmvm crypto_simd snd_hda_codec_realtek glue_helper
snd_hda_codec_generic cryptd mac80211 intel_cstate snd_hda_intel
intel_rapl_perf
[   28.193081]  snd_hda_codec snd_seq_midi snd_hda_core snd_seq_midi_event
snd_hwdep snd_rawmidi iwlwifi snd_pcm joydev input_leds thinkpad_acpi serio_raw
nvram wmi_bmof cfg80211 snd_seq intel_pch_thermal nf_conntrack_ipv4 lpc_ich
nf_defrag_ipv4 mei_me snd_seq_device shpchp mei xt_conntrack snd_timer snd
soundcore mac_hid ip6table_filter ip6_tables nf_conntrack_netbios_ns
nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack
iptable_filter parport_pc ip_tables x_tables ppdev lp parport autofs4 raid10
raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq
libcrc32c raid1 raid0 multipath linear hid_logitech_hidpp hid_logitech_dj
usbhid hid i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt
psmouse fb_sys_fops e1000e drm ahci libahci ptp pps_core
[   28.193116]  wmi video
[   28.193119] CPU: 0 PID: 99 Comm: kworker/u16:2 Not tainted
4.14.13-041413-generic #201801101001
[   28.193120] Hardware name: LENOVO 20BSCTO1WW/20BSCTO1WW, BIOS N14ET39W (1.17
) 06/29/2017
[   28.193144] Workqueue: i915-userptr-release cancel_userptr [i915]
[   28.193145] task: ffff8b0e23d28000 task.stack: ffff9b1141090000
[   28.193167] RIP: 0010:cancel_userptr+0xdc/0xe0 [i915]
[   28.193168] RSP: 0018:ffff9b1141093e80 EFLAGS: 00010282
[   28.193170] RAX: 0000000000000047 RBX: ffff8b0e1d10de40 RCX:
0000000000000000
[   28.193171] RDX: 0000000000000000 RSI: ffff8b0e2dc16598 RDI:
ffff8b0e2dc16598
[   28.193171] RBP: ffff8b0e1d10dff0 R08: 000000000000034b R09:
0000000000000004
[   28.193172] R10: ffffd787c8732440 R11: 0000000000000001 R12:
0000000000000000
[   28.193173] R13: 0ffff8b0e1dca150 R14: ffff8b0e18efcd80 R15:
ffff8b0e25410800
[   28.193174] FS:  0000000000000000(0000) GS:ffff8b0e2dc00000(0000)
knlGS:0000000000000000
[   28.193175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.193176] CR2: 0000000001a1f158 CR3: 000000012b00a005 CR4:
00000000003606f0
[   28.193177] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[   28.193178] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[   28.193178] Call Trace:
[   28.193185]  process_one_work+0x1e6/0x400
[   28.193188]  worker_thread+0x2b/0x3f0
[   28.193190]  ? process_one_work+0x400/0x400
[   28.193191]  kthread+0x118/0x130
[   28.193193]  ? kthread_create_on_node+0x70/0x70
[   28.193195]  ? kthread_create_on_node+0x70/0x70
[   28.193197]  ret_from_fork+0x1f/0x30
[   28.193199] Code: d5 14 00 00 75 d7 8b 93 d0 01 00 00 8b 8b ac 01 00 00 48
c7 c7 28 dc 66 c0 8b b3 a4 01 00 00 c6 05 52 d5 14 00 01 e8 7f 2e 74 ef <0f> ff
eb ae 0f 1f 44 00 00 41 57 41 56 ba 08 00 00 00 41 55 41 
[   28.193229] ---[ end trace 1ec4c9a484e631fb ]---

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