<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [Regression BDW] kernel panic in Intel i915 module, complete system freeze in 4.10-rc2" href="https://bugs.freedesktop.org/show_bug.cgi?id=99295#c42">Comment # 42</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [Regression BDW] kernel panic in Intel i915 module, complete system freeze in 4.10-rc2" href="https://bugs.freedesktop.org/show_bug.cgi?id=99295">bug 99295</a> from <a class="email" href="mailto:helio@loureiro.eng.br" title="Helio Loureiro <helio@loureiro.eng.br>"> Helio Loureiro</a> <pre>Hi, I'm running on kernel 4.11.1 and got hit by this bug as well. May 17 20:01:43 elxaf7qtt32 kernel: [41279.298093] restoring control 00000000-0000-0000-0000-000000000101/10/5 May 17 20:01:43 elxaf7qtt32 kernel: [41279.298095] restoring control 00000000-0000-0000-0000-000000000101/12/11 May 17 20:03:40 elxaf7qtt32 kernel: [41395.829850] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 May 17 20:03:40 elxaf7qtt32 kernel: [41395.829922] IP: gen8_ppgtt_alloc_page_directories.isra.39+0x124/0x290 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.829957] PGD 0 May 17 20:03:40 elxaf7qtt32 kernel: [41395.829958] May 17 20:03:40 elxaf7qtt32 kernel: [41395.829979] Oops: 0002 [#1] PREEMPT SMP May 17 20:03:40 elxaf7qtt32 kernel: [41395.829999] Modules linked in: psmouse usbhid snd_usb_audio snd_usbmidi_lib cpuid cmac ctr ccm nvram msr pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) xfrm_user xfrm_algo br_netfilter xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat overlay nf_nat_ipv4 bridge stp llc ebtable_filter ebtables rfcomm bnep uvcvideo videobuf2_vmalloc btusb videobuf2_memops btrtl videobuf2_v4l2 btbcm btintel videobuf2_core bluetooth videodev media cdc_ether usbnet r8152 mii binfmt_misc dell_wmi dell_laptop dell_smbios dcdbas arc4 iwlmvm mac80211 intel_rapl intel_powerclamp coretemp iwlwifi snd_hda_codec_hdmi rtsx_pci_ms cfg80211 memstick snd_hda_codec_realtek joydev input_leds snd_hda_codec_generic serio_raw snd_soc_rt286 snd_soc_ssm4567 snd_soc_rl6347a snd_soc_core elan_i2c May 17 20:03:40 elxaf7qtt32 kernel: [41395.830370] snd_compress ac97_bus snd_hda_intel snd_seq_midi snd_pcm_dmaengine snd_seq_midi_event snd_hda_codec snd_rawmidi snd_hda_core snd_seq intel_pch_thermal snd_hwdep snd_pcm snd_seq_device lpc_ich mei_me shpchp snd_timer mei snd soundcore wmi intel_vbtn soc_button_array int3403_thermal intel_hid sparse_keymap snd_soc_sst_acpi dw_dmac snd_soc_sst_match i2c_designware_platform processor_thermal_device int3400_thermal acpi_pad intel_soc_dts_iosf acpi_thermal_rel acpi_als int3402_thermal i2c_designware_core spi_pxa2xx_platform 8250_dw int340x_thermal_zone tpm_crb kfifo_buf intel_smartconnect mac_hid industrialio kvm_intel ip6t_REJECT nf_reject_ipv6 kvm nf_log_ipv6 irqbypass xt_hl ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_tcpudp May 17 20:03:40 elxaf7qtt32 kernel: [41395.830727] xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack libcrc32c iptable_filter parport_pc ip_tables ppdev x_tables lp parport autofs4 btrfs xor raid6_pq algif_skcipher af_alg dm_crypt hid_generic hid mmc_block crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc rtsx_pci_sdmmc i915 aesni_intel i2c_algo_bit aes_x86_64 drm_kms_helper crypto_simd glue_helper syscopyarea cryptd sysfillrect sysimgblt fb_sys_fops ahci rtsx_pci drm libahci video sdhci_acpi sdhci [last unloaded: usbhid] May 17 20:03:40 elxaf7qtt32 kernel: [41395.831006] CPU: 1 PID: 8174 Comm: chromium-browse Tainted: G OE 4.11.1-helio #4 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831047] Hardware name: Dell Inc. XPS 13 9343/0F5KF3, BIOS A03 03/25/2015 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831091] task: ffff998ccd319d00 task.stack: ffffa2fd43150000 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831160] RIP: 0010:gen8_ppgtt_alloc_page_directories.isra.39+0x124/0x290 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.831196] RSP: 0018:ffffa2fd431538b0 EFLAGS: 00010286 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831222] RAX: ffff998c43974700 RBX: 0000000000000003 RCX: 0000000000000003 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831266] RDX: 0000000000000000 RSI: ffff998c5be90000 RDI: 00000000ffffffff May 17 20:03:40 elxaf7qtt32 kernel: [41395.831310] RBP: ffffa2fd43153910 R08: 0000000000000018 R09: 0000000000000000 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831343] R10: 0000000000000000 R11: 0000000000000000 R12: ffff998c8b448000 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831396] R13: ffff998c703457b0 R14: 00000000fffe7000 R15: 0000000000008000 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831430] FS: 00007f660c42ca40(0000) GS:ffff998d5e480000(0000) knlGS:0000000000000000 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831495] CR2: 0000000000000018 CR3: 0000000213f3f000 CR4: 00000000003406a0 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831549] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831582] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831625] Call Trace: May 17 20:03:40 elxaf7qtt32 kernel: [41395.831668] gen8_alloc_va_range_3lvl+0xc8/0x970 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.831697] ? finish_task_switch+0x83/0x230 May 17 20:03:40 elxaf7qtt32 kernel: [41395.831730] ? add_hole+0xfd/0x120 [drm] May 17 20:03:40 elxaf7qtt32 kernel: [41395.831767] gen8_alloc_va_range+0x273/0x440 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.831809] i915_vma_bind+0x85/0x210 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.831848] __i915_vma_do_pin+0x397/0x600 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.831887] ? i915_gem_do_execbuffer.isra.39+0x809/0x15c0 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.831932] i915_gem_execbuffer_reserve_vma.isra.30+0xc8/0x1f0 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.831978] i915_gem_execbuffer_reserve.isra.31+0x449/0x480 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.832023] i915_gem_do_execbuffer.isra.39+0x526/0x15c0 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.832063] ? krealloc+0x79/0xc0 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832093] ? reservation_object_get_fences_rcu+0x43/0x240 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832156] ? i915_gem_object_wait_reservation+0xeb/0x1d0 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.832201] i915_gem_execbuffer2+0xa8/0x220 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.832233] drm_ioctl+0x1fc/0x450 [drm] May 17 20:03:40 elxaf7qtt32 kernel: [41395.832287] ? i915_gem_execbuffer+0x300/0x300 [i915] May 17 20:03:40 elxaf7qtt32 kernel: [41395.832315] do_vfs_ioctl+0xa1/0x5d0 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832334] ? __fget+0x77/0xb0 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832361] SyS_ioctl+0x79/0x90 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832380] do_syscall_64+0x5b/0xc0 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832400] entry_SYSCALL64_slow_path+0x25/0x25 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832424] RIP: 0033:0x7f65f6732357 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832443] RSP: 002b:00007fff838f47d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832481] RAX: ffffffffffffffda RBX: 000055dc0a74f090 RCX: 00007f65f6732357 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832516] RDX: 00007fff838f4830 RSI: 0000000040406469 RDI: 00000000000000ed May 17 20:03:40 elxaf7qtt32 kernel: [41395.832551] RBP: 00007fff838f4830 R08: 00000000000000ed R09: 0000000000000036 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832585] R10: 000055dc0bfc7fa0 R11: 0000000000000246 R12: 0000000040406469 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832620] R13: 00000000000000ed R14: 00007f65df5980a0 R15: 000055dc0a774020 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832655] Code: 28 03 00 00 48 8b b8 e0 02 00 00 48 8b 52 08 48 83 ca 03 e8 bf e8 ff ff 48 8b 45 a8 4c 8b 45 c8 48 8b 4d c0 48 8b 10 48 8b 45 d0 <4e> 89 24 02 48 0f ab 08 0f 1f 44 00 00 e9 44 ff ff ff 65 8b 05 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832791] RIP: gen8_ppgtt_alloc_page_directories.isra.39+0x124/0x290 [i915] RSP: ffffa2fd431538b0 May 17 20:03:40 elxaf7qtt32 kernel: [41395.832833] CR2: 0000000000000018 May 17 20:03:40 elxaf7qtt32 kernel: [41395.843564] ---[ end trace f38e3ace26421bd5 ]---</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>