<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - gem cancel_userptr warning" href="https://bugs.freedesktop.org/show_bug.cgi?id=97343#c2">Comment # 2</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - gem cancel_userptr warning" href="https://bugs.freedesktop.org/show_bug.cgi?id=97343">bug 97343</a> from <a class="email" href="mailto:matthew.auld@intel.com" title="mwa <matthew.auld@intel.com>"> mwa</a> <pre>[ 136.189244] WARNING: CPU: 2 PID: 113 at drivers/gpu/drm/i915/i915_gem_userptr.c:94 cancel_userptr+0x208/0x250 [i915] [ 136.189245] Failed to release pages: bind_count=1, pages_pin_count=1, pin_display=0 [ 136.189245] Modules linked in: rfcomm fuse xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter xt_conntrack ip_set nfnetlink ebtable_broute bridge stp llc ebtable_nat ip6table_security ip6table_mangle ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_raw iptable_security iptable_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep arc4 iwlmvm mac80211 iTCO_wdt iTCO_vendor_support uvcvideo iwlwifi intel_rapl x86_pkg_temp_thermal coretemp videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_codec_realtek videobuf2_core snd_hda_codec_hdmi snd_hda_codec_generic videodev cfg80211 snd_hda_intel [ 136.189271] btusb snd_hda_codec btrtl media joydev btbcm snd_hwdep rtsx_pci_ms snd_hda_core btintel memstick bluetooth nfsd snd_seq thinkpad_acpi wmi snd_seq_device rfkill snd_pcm auth_rpcgss intel_rst snd_timer nfs_acl snd mei_me lockd mei tpm_tis shpchp i2c_i801 lpc_ich tpm_tis_core intel_pch_thermal soundcore tpm i2c_smbus grace sunrpc dm_crypt hid_microsoft i915 i2c_algo_bit drm_kms_helper rtsx_pci_sdmmc mmc_core drm e1000e crct10dif_pclmul crc32_pclmul crc32c_intel ptp serio_raw rtsx_pci pps_core fjes video [ 136.189294] CPU: 2 PID: 113 Comm: kworker/u16:3 Tainted: G W 4.8.0-rc1-drm-intel+ #62 [ 136.189295] Hardware name: LENOVO 20BW000FUK/20BW000FUK, BIOS JBET54WW (1.19 ) 11/06/2015 [ 136.189312] Workqueue: i915-userptr-release cancel_userptr [i915] [ 136.189313] 0000000000000286 0000000052dfdf5c ffff88022ba13d20 ffffffff813dcf2d [ 136.189315] ffff88022ba13d70 0000000000000000 ffff88022ba13d60 ffffffff810a750b [ 136.189316] 0000005e3dc99538 ffff880228e70068 ffff8801afb68f00 ffffffff81552000 [ 136.189318] Call Trace: [ 136.189321] [<ffffffff813dcf2d>] dump_stack+0x63/0x86 [ 136.189324] [<ffffffff810a750b>] __warn+0xcb/0xf0 [ 136.189325] [<ffffffff81552000>] ? fence_wait_timeout.part.9+0xc0/0xc0 [ 136.189327] [<ffffffff810a758f>] warn_slowpath_fmt+0x5f/0x80 [ 136.189340] [<ffffffffa01e71b8>] cancel_userptr+0x208/0x250 [i915] [ 136.189342] [<ffffffff810c0824>] process_one_work+0x184/0x410 [ 136.189343] [<ffffffff810c0afe>] worker_thread+0x4e/0x480 [ 136.189344] [<ffffffff810c0ab0>] ? process_one_work+0x410/0x410 [ 136.189346] [<ffffffff810c6618>] kthread+0xd8/0xf0 [ 136.189348] [<ffffffff817e38bf>] ret_from_fork+0x1f/0x40 [ 136.189350] [<ffffffff810c6540>] ? kthread_worker_fn+0x180/0x180 [ 136.189351] ---[ end trace 694ecd151f58f1a6 ]---</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>