[Bug 99947] New: [BDW] igt_ppgtt_lowlevel, GEM_BUG_ON(num_entries > pt->used_ptes)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Feb 24 18:11:48 UTC 2017 

https://bugs.freedesktop.org/show_bug.cgi?id=99947

            Bug ID: 99947
           Summary: [BDW] igt_ppgtt_lowlevel, GEM_BUG_ON(num_entries >
                    pt->used_ptes)
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: matthew.auld at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 129902
  --> https://bugs.freedesktop.org/attachment.cgi?id=129902&action=edit
dmesg

Consistently reproducible when using an increased timeout.

[  135.370764] kernel BUG at drivers/gpu/drm/i915/i915_gem_gtt.c:683!
[  135.370766] invalid opcode: 0000 [#1] SMP
[  135.370766] Modules linked in: i915(+) drm_kms_helper drm rfcomm fuse
xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns
nf_conntrack_broadcast xt_CT ip6t_rpfilter ip6t_REJECT nf_reject_ipv6
xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc
ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_security
ip6table_raw ip6table_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4
nf_nat_ipv4 nf_nat libcrc32c nf_conntrack iptable_security iptable_raw
iptable_mangle ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep
arc4 iwlmvm intel_rapl mac80211 x86_pkg_temp_thermal intel_powerclamp coretemp
kvm_intel kvm iwlwifi mei_wdt iTCO_wdt iTCO_vendor_support irqbypass
intel_cstate btusb snd_hda_codec_realtek snd_hda_codec_hdmi intel_uncore
[  135.370792]  snd_hda_codec_generic btrtl cfg80211 btbcm btintel
snd_hda_codec intel_rapl_perf bluetooth snd_hwdep snd_hda_core i2c_i801
intel_pch_thermal snd_seq joydev rtsx_pci_ms snd_seq_device memstick mei_me
nfsd mei snd_pcm shpchp lpc_ich thinkpad_acpi wmi auth_rpcgss snd_timer snd
rfkill tpm_tis tpm_tis_core intel_rst soundcore tpm nfs_acl lockd grace sunrpc
binfmt_misc dm_crypt hid_logitech_hidpp hid_logitech_dj hid_microsoft
prime_numbers i2c_algo_bit rtsx_pci_sdmmc mmc_core e1000e crct10dif_pclmul
crc32_pclmul crc32c_intel ghash_clmulni_intel ptp rtsx_pci pps_core serio_raw
fjes video [last unloaded: drm]
[  135.370817] CPU: 1 PID: 2921 Comm: drv_selftest Tainted: G     U         
4.10.0-debug+ #251
[  135.370818] Hardware name: LENOVO 20BW000FUK/20BW000FUK, BIOS JBET54WW (1.19
) 11/06/2015
[  135.370820] task: ffff8ed6ee6bd7c0 task.stack: ffffae104194c000
[  135.370867] RIP: 0010:gen8_ppgtt_clear_pd+0x19a/0x250 [i915]
[  135.370868] RSP: 0000:ffffae104194f860 EFLAGS: 00010287
[  135.370870] RAX: 0000000000000000 RBX: 000003147c800000 RCX:
0000000000800000
[  135.370871] RDX: 0000000000000200 RSI: ffff8ed4cb778000 RDI:
0000000000000200
[  135.370872] RBP: ffffae104194f8a0 R08: ffff8ed6e93a2000 R09:
ffff8ed6ee6bd7c0
[  135.370872] R10: ffff8ed6629f8ba0 R11: 0000000000000000 R12:
ffff8ed6ee6bd7c0
[  135.370873] R13: 0000000000800000 R14: 00000000000001e4 R15:
ffff8ed4cb778000
[  135.370875] FS:  00007f71799a9dc0(0000) GS:ffff8ed6fd840000(0000)
knlGS:0000000000000000
[  135.370876] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  135.370876] CR2: 00007fa92a7e701d CR3: 000000022d992000 CR4:
00000000003406e0
[  135.370878] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[  135.370878] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[  135.370879] Call Trace:
[  135.370918]  gen8_ppgtt_clear_pdp+0x97/0xf0 [i915]
[  135.370953]  gen8_ppgtt_clear_4lvl+0xa4/0xe0 [i915]
[  135.370987]  lowlevel_hole+0x431/0x4f0 [i915]
[  135.371021]  exercise_ppgtt+0xac/0x110 [i915]
[  135.371054]  ? pot_hole+0x300/0x300 [i915]
[  135.371086]  igt_ppgtt_lowlevel+0x15/0x20 [i915]
[  135.371127]  __i915_subtests+0x3c/0xc0 [i915]
[  135.371160]  i915_gem_gtt_live_selftests+0x2f/0x40 [i915]
[  135.371197]  __run_selftests+0x113/0x1c0 [i915]
[  135.371233]  i915_live_selftests+0x35/0x60 [i915]
[  135.371266]  i915_pci_probe+0x67/0xb0 [i915]
[  135.371269]  local_pci_probe+0x45/0xa0
[  135.371271]  pci_device_probe+0x103/0x150
[  135.371273]  driver_probe_device+0x2bb/0x460
[  135.371275]  __driver_attach+0xdf/0xf0
[  135.371277]  ? driver_probe_device+0x460/0x460
[  135.371278]  bus_for_each_dev+0x6c/0xc0
[  135.371279]  driver_attach+0x1e/0x20
[  135.371281]  bus_add_driver+0x170/0x270
[  135.371282]  driver_register+0x60/0xe0
[  135.371284]  __pci_register_driver+0x4c/0x50
[  135.371316]  i915_init+0x6f/0x78 [i915]
[  135.371317]  ? 0xffffffffc0488000
[  135.371319]  do_one_initcall+0x52/0x1a0
[  135.371322]  ? __vunmap+0x81/0xd0
[  135.371324]  ? kmem_cache_alloc_trace+0x167/0x1c0
[  135.371326]  ? do_init_module+0x27/0x1f8
[  135.371328]  do_init_module+0x5f/0x1f8
[  135.371330]  load_module+0x25d7/0x29b0
[  135.371332]  ? __symbol_put+0x70/0x70
[  135.371333]  ? vfs_read+0x11b/0x130
[  135.371335]  SYSC_finit_module+0xdf/0x110
[  135.371337]  SyS_finit_module+0xe/0x10
[  135.371340]  entry_SYSCALL_64_fastpath+0x1a/0xa9
[  135.371341] RIP: 0033:0x7f71781debf9
[  135.371341] RSP: 002b:00007ffdef4d23d8 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
[  135.371343] RAX: ffffffffffffffda RBX: 0000000000000008 RCX:
00007f71781debf9
[  135.371343] RDX: 0000000000000000 RSI: 00000000015e3740 RDI:
0000000000000008
[  135.371344] RBP: 0000000000000005 R08: 0000000000000000 R09:
0000000000000000
[  135.371345] R10: 0000000000000008 R11: 0000000000000246 R12:
00007ffdef4d13d0
[  135.371345] R13: 00007ffdef4d13b0 R14: 0000000000000005 R15:
00000000015e9c10
[  135.371346] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c1 e8 0c 45 8b 5a 10
ba 00 02 00 00 25 ff 01 00 00 29 c2 41 39 d3 8d 3c 10 0f 83 02 ff ff ff <0f> 0b
49 8b b0 48 03 00 00 44 89 f2 4c 89 ff 4c 89 4d c0 4c 89 
[  135.371403] RIP: gen8_ppgtt_clear_pd+0x19a/0x250 [i915] RSP:
ffffae104194f860

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