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Bug 1595138 - i915: Failed to release pages: bind_count=0, pages_pin_count=1, pin_global=0
Summary: i915: Failed to release pages: bind_count=0, pages_pin_count=1, pin_global=0
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: xorg-x11-drv-intel
Version: 28
Hardware: x86_64
OS: Linux
Target Milestone: ---
Assignee: Adam Jackson
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2018-06-26 08:38 UTC by Stefan Assmann
Modified: 2018-06-26 14:13 UTC (History)
19 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed:

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Description Stefan Assmann 2018-06-26 08:38:07 UTC
Description of problem:
Found the following in dmesg:
[94424.380689] ------------[ cut here ]------------
[94424.380701] Failed to release pages: bind_count=0, pages_pin_count=1, pin_global=0
[94424.380873] WARNING: CPU: 0 PID: 8828 at drivers/gpu/drm/i915/i915_gem_userptr.c:89 cancel_userptr+0xe5/0xf0 [i915]
[94424.380878] Modules linked in: vhost_net vhost tap veth rfcomm fuse xt_CHECKSUM tun ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_addrtype br_netfilter overlay ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack devlink ip_set nfnetlink ebtable_nat ebtable_broute bridge ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep vfat fat rmi_smbus rmi_core arc4 iwlmvm mac80211 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common iwlwifi videodev btusb intel_rapl btrtl btbcm x86_pkg_temp_thermal btintel intel_powerclamp iTCO_wdt media mei_wdt coretemp
[94424.380968]  gpio_ich snd_hda_codec_realtek iTCO_vendor_support snd_hda_codec_hdmi kvm_intel cfg80211 bluetooth snd_hda_codec_generic kvm snd_hda_intel snd_hda_codec ecdh_generic irqbypass snd_hda_core intel_cstate snd_hwdep intel_uncore snd_seq snd_seq_device intel_rapl_perf thinkpad_acpi snd_pcm joydev snd_timer wmi_bmof mei_me snd i2c_i801 mei lpc_ich rfkill soundcore shpchp ie31200_edac binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace dm_crypt uas usb_storage 8021q garp mrp stp llc i915 i2c_algo_bit drm_kms_helper sdhci_pci crct10dif_pclmul crc32_pclmul cqhci crc32c_intel sdhci drm e1000e ghash_clmulni_intel mmc_core serio_raw wmi video dm_multipath sunrpc target_core_mod
[94424.381057] CPU: 0 PID: 8828 Comm: kworker/u16:0 Not tainted 4.17.2-200.fc28.x86_64 #1
[94424.381061] Hardware name: LENOVO 20EGS0R60P/20EGS0R60P, BIOS GNET86WW (2.34 ) 03/07/2018
[94424.381139] Workqueue: i915-userptr-release cancel_userptr [i915]
[94424.381213] RIP: 0010:cancel_userptr+0xe5/0xf0 [i915]
[94424.381218] RSP: 0018:ffffa741cc38be80 EFLAGS: 00010282
[94424.381224] RAX: 0000000000000000 RBX: ffff9560e7d6f300 RCX: 0000000000000006
[94424.381228] RDX: 0000000000000007 RSI: 0000000000000086 RDI: ffff95627e216930
[94424.381232] RBP: ffff9560e7d6f4a0 R08: 0000000000000005 R09: 00000000000004b9
[94424.381236] R10: 0000000000000000 R11: ffffffff8f9981ad R12: 0000000000000000
[94424.381240] R13: 0000000000000000 R14: ffff955c692d56c0 R15: ffff9560344c4558
[94424.381245] FS:  0000000000000000(0000) GS:ffff95627e200000(0000) knlGS:0000000000000000
[94424.381249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[94424.381254] CR2: 00007f1530600000 CR3: 000000041a20a006 CR4: 00000000001626f0
[94424.381258] Call Trace:
[94424.381276]  process_one_work+0x187/0x340
[94424.381284]  worker_thread+0x2e/0x380
[94424.381291]  ? pwq_unbound_release_workfn+0xd0/0xd0
[94424.381298]  kthread+0x112/0x130
[94424.381305]  ? kthread_create_worker_on_cpu+0x70/0x70
[94424.381314]  ret_from_fork+0x35/0x40
[94424.381320] Code: 52 60 ff ff eb c9 8b 93 c0 01 00 00 8b 8b 9c 01 00 00 48 c7 c7 60 d9 6f c0 c6 05 5e 76 16 00 01 8b b3 94 01 00 00 e8 d5 12 a9 cd <0f> 0b eb bc 0f 1f 80 00 00 00 00 0f 1f 44 00 00 41 57 41 56 41
[94424.381403] ---[ end trace ff9b31b40c6a8006 ]---

Version-Release number of selected component (if applicable):

How reproducible:
happened once so far

Steps to Reproduce:
1. unknown

System: Lenovo w541
lspci -v -s 00:02.0
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06) (prog-if 00 [VGA controller])
        Subsystem: Lenovo Device 221e
        Flags: bus master, fast devsel, latency 0, IRQ 29
        Memory at b3400000 (64-bit, non-prefetchable) [size=4M]
        Memory at 80000000 (64-bit, prefetchable) [size=512M]
        I/O ports at 5000 [size=64]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Capabilities: [d0] Power Management version 2
        Capabilities: [a4] PCI Advanced Features
        Kernel driver in use: i915
        Kernel modules: i915

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