<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [i915]Failed to release pages: bind_count=1, pages_pin_count=1, pin_display=0" href="https://bugs.freedesktop.org/show_bug.cgi?id=104512#c9">Comment # 9</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [i915]Failed to release pages: bind_count=1, pages_pin_count=1, pin_display=0" href="https://bugs.freedesktop.org/show_bug.cgi?id=104512">bug 104512</a> from <a class="email" href="mailto:L.Bonnaud@laposte.net" title="Laurent Bonnaud <L.Bonnaud@laposte.net>"> Laurent Bonnaud</a> <pre>Same backtrace on my Ubuntu 17.10 system with mainline kernel 4.14.16: [12473.732438] Failed to release pages: bind_count=1, pages_pin_count=1, pin_display=0 [12473.732515] ------------[ cut here ]------------ [12473.732574] WARNING: CPU: 0 PID: 18211 at /home/kernel/COD/linux/drivers/gpu/drm/i915/i915_gem_userptr.c:89 cancel_userptr+0xdc/0xe0 [i915] [12473.732576] Modules linked in: ipt_REJECT nf_reject_ipv4 rfcomm bnep xt_multiport iptable_filter binfmt_misc snd_soc_skl snd_hda_codec_hdmi snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_sst_match snd_soc_core intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_realtek snd_hda_codec_generic snd_compress kvm_intel ac97_bus snd_pcm_dmaengine snd_hda_intel kvm snd_hda_codec irqbypass snd_hda_core snd_hwdep crct10dif_pclmul crc32_pclmul snd_pcm ghash_clmulni_intel pcbc dm_crypt snd_seq_midi snd_seq_midi_event aesni_intel snd_rawmidi aes_x86_64 crypto_simd glue_helper cryptd intel_cstate intel_rapl_perf snd_seq snd_seq_device snd_timer snd wmi_bmof soundcore rtsx_pci_ms memstick joydev shpchp input_leds hci_uart btusb btrtl ir_rc6_decoder btbcm ucsi_acpi serdev mei_me [12473.732617] typec_ucsi intel_pch_thermal mei typec btqca btintel rc_rc6_mce ir_lirc_codec bluetooth lirc_dev ite_cir rc_core intel_lpss_acpi ecdh_generic intel_lpss tpm_crb acpi_pad acpi_als kfifo_buf mac_hid industrialio hwmon_vid coretemp ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear uas usb_storage hid_logitech_hidpp hid_logitech_dj usbhid rtsx_pci_sdmmc i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect nvme e1000e ptp pps_core nvme_core rtsx_pci sysimgblt ahci fb_sys_fops libahci drm wmi i2c_hid hid pinctrl_sunrisepoint pinctrl_intel video [12473.732665] CPU: 0 PID: 18211 Comm: kworker/u4:4 Not tainted 4.14.16-041416-generic #201801310931 [12473.732666] Hardware name: /NUC7i5BNB, BIOS BNKBL357.86A.0061.2017.1221.1952 12/21/2017 [12473.732725] Workqueue: i915-userptr-release cancel_userptr [i915] [12473.732728] task: ffff93f91ab75e00 task.stack: ffffb3b1c5ffc000 [12473.732773] RIP: 0010:cancel_userptr+0xdc/0xe0 [i915] [12473.732775] RSP: 0018:ffffb3b1c5fffe80 EFLAGS: 00010282 [12473.732777] RAX: 0000000000000047 RBX: ffff93f66b6dc2c0 RCX: 0000000000000000 [12473.732777] RDX: 0000000000000000 RSI: ffff93f93ec16598 RDI: ffff93f93ec16598 [12473.732778] RBP: ffff93f66b6dc470 R08: 0000000000000640 R09: 0000000000000004 [12473.732779] R10: ffffea5f9320de40 R11: 0000000000000001 R12: 0000000000000000 [12473.732779] R13: 0ffff93f4f054390 R14: ffff93f6751d9d80 R15: ffff93f91e010800 [12473.732781] FS: 0000000000000000(0000) GS:ffff93f93ec00000(0000) knlGS:0000000000000000 [12473.732781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [12473.732782] CR2: 00007ff986156000 CR3: 00000007a260a001 CR4: 00000000003606f0 [12473.732783] Call Trace: [12473.732797] process_one_work+0x1e6/0x400 [12473.732800] worker_thread+0x2b/0x3f0 [12473.732802] ? process_one_work+0x400/0x400 [12473.732803] kthread+0x118/0x130 [12473.732805] ? kthread_create_on_node+0x70/0x70 [12473.732808] ? do_group_exit+0x3a/0xa0 [12473.732813] ret_from_fork+0x35/0x40 [12473.732815] Code: d5 14 00 00 75 d7 8b 93 d0 01 00 00 8b 8b ac 01 00 00 48 c7 c7 28 bc 55 c0 8b b3 a4 01 00 00 c6 05 ae d5 14 00 01 e8 1f 4e c5 e2 <0f> ff eb ae 0f 1f 44 00 00 41 57 41 56 ba 08 00 00 00 41 55 41 [12473.732838] ---[ end trace 4036e4e1e404c5f4 ]---</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>