Public bug reported:
Starting a few days ago, machine will just lock up. After the most
recent lock up, I looked in /var/log/syslog, and found the following:
Aug 2 12:17:01 elwood kernel: [58062.900931] BUG: unable to handle kernel NULL
pointer dereference at 0000000000000018
Aug 2 12:17:01 elwood kernel: [58062.900996] IP:
gen8_ppgtt_alloc_page_directories.isra.38+0x124/0x270 [i915]
Aug 2 12:17:01 elwood kernel: [58062.901018] PGD 0
Aug 2 12:17:01 elwood kernel: [58062.901019]
Aug 2 12:17:01 elwood kernel: [58062.901032] Oops: 0002 [#1] SMP
Aug 2 12:17:01 elwood kernel: [58062.901043] Modules linked in: btrfs xor
raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs scsi_transport_iscsi
nvram msr rfcomm xt_conntrack ip
t_REJECT nf_reject_ipv4 binfmt_misc veth ebtable_filter ebtables
ip6table_filter ip6_tables xt_CHECKSUM iptable_mangle xt_tcpudp ipt_MASQUERADE
nf_nat_masquerade_ipv4 xt_comment iptab
le_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
libcrc32c bridge stp llc iptable_filter ip_tables x_tables bbswitch(OE) bnep
zfs(PO) zunicode(PO) zavl(PO) zcom
mon(PO) znvpair(PO) spl(O) snd_hda_codec_hdmi uvcvideo videobuf2_vmalloc
videobuf2_memops videobuf2_v4l2 videobuf2_core btusb btrtl videodev media
nls_iso8859_1 hid_multitouch dell_le
d i2c_designware_platform i2c_designware_core snd_hda_codec_realtek
snd_hda_codec_generic dell_wmi mxm_wmi intel_rapl
Aug 2 12:17:01 elwood kernel: [58062.901247] x86_pkg_temp_thermal
intel_powerclamp coretemp snd_hda_intel crct10dif_pclmul snd_hda_codec
crc32_pclmul snd_hda_core snd_hwdep ghash_cl
mulni_intel snd_pcm pcbc snd_seq_midi snd_seq_midi_event aesni_intel aes_x86_64
crypto_simd dell_laptop glue_helper snd_rawmidi cryptd dell_smbios dcdbas
snd_seq intel_cstate brcmfmac
snd_seq_device snd_timer intel_rapl_perf brcmutil joydev snd cfg80211
input_leds mei_me serio_raw soundcore mei rtsx_pci_ms memstick idma64 virt_dma
hci_uart btbcm btqca processor_th
ermal_device intel_pch_thermal intel_lpss_pci btintel shpchp intel_soc_dts_iosf
bluetooth acpi_als int3403_thermal int3402_thermal kfifo_buf int3400_thermal
wmi intel_lpss_acpi intel_
hid int340x_thermal_zone dell_smo8800 acpi_thermal_rel industrialio intel_lpss
mac_hid sparse_keymap acpi_pad
Aug 2 12:17:01 elwood kernel: [58062.901446] kvm_intel kvm irqbypass
parport_pc ppdev lp parport autofs4 hid_generic usbhid rtsx_pci_sdmmc i915
i2c_algo_bit drm_kms_helper syscopyar
ea psmouse sysfillrect sysimgblt fb_sys_fops nvme drm ahci nvme_core rtsx_pci
libahci i2c_hid hid pinctrl_sunrisepoint video pinctrl_intel fjes [last
unloaded: nvidia]
Aug 2 12:17:01 elwood kernel: [58062.901530] CPU: 1 PID: 19684 Comm: chrome
Tainted: P OE 4.10.0-27-generic #30~16.04.2-Ubuntu
Aug 2 12:17:01 elwood kernel: [58062.901556] Hardware name: Dell Inc. XPS 15
9550/0N7TVV, BIOS 1.2.25 05/07/2017
Aug 2 12:17:01 elwood kernel: [58062.901577] task: ffff88e19427c500
task.stack: ffff9f567d710000
Aug 2 12:17:01 elwood kernel: [58062.901608] RIP:
0010:gen8_ppgtt_alloc_page_directories.isra.38+0x124/0x270 [i915]
Aug 2 12:17:01 elwood kernel: [58062.901643] RSP: 0018:ffff9f567d713878
EFLAGS: 00010246
Aug 2 12:17:01 elwood kernel: [58062.901659] RAX: ffff88e1da35bfc0 RBX:
0000000000000003 RCX: 0000000000000003
Aug 2 12:17:01 elwood kernel: [58062.901679] RDX: 0000000000000000 RSI:
ffff88e3f9790000 RDI: ffff88e4a0d60000
Aug 2 12:17:01 elwood kernel: [58062.901699] RBP: ffff9f567d7138d8 R08:
0000000000000018 R09: 0000000000000000
Aug 2 12:17:01 elwood kernel: [58062.901719] R10: 0000000000000000 R11:
ffffce5cca7af020 R12: ffff88e1de90a000
Aug 2 12:17:01 elwood kernel: [58062.901739] R13: ffff88e226573810 R14:
00000000fff87000 R15: 0000000000008000
Aug 2 12:17:01 elwood kernel: [58062.901762] FS: 00007fcb4ab00a80(0000)
GS:ffff88e4bdc40000(0000) knlGS:0000000000000000
Aug 2 12:17:01 elwood kernel: [58062.901785] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Aug 2 12:17:01 elwood kernel: [58062.901801] CR2: 0000000000000018 CR3:
00000001a1952000 CR4: 00000000003406e0
Aug 2 12:17:01 elwood kernel: [58062.901822] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Aug 2 12:17:01 elwood kernel: [58062.901849] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Aug 2 12:17:01 elwood kernel: [58062.901871] Call Trace:
Aug 2 12:17:01 elwood kernel: [58062.901893]
gen8_alloc_va_range_3lvl+0xf3/0x9b0 [i915]
Aug 2 12:17:01 elwood kernel: [58062.901920] gen8_alloc_va_range+0x23e/0x490
[i915]
Aug 2 12:17:01 elwood kernel: [58062.901949] i915_vma_bind+0x6a/0x170 [i915]
Aug 2 12:17:01 elwood kernel: [58062.901975] __i915_vma_do_pin+0x2a5/0x450
[i915]
Aug 2 12:17:01 elwood kernel: [58062.902002]
i915_gem_execbuffer_reserve_vma.isra.31+0x144/0x1b0 [i915]
Aug 2 12:17:01 elwood kernel: [58062.902032]
i915_gem_execbuffer_reserve.isra.32+0x388/0x3b0 [i915]
Aug 2 12:17:01 elwood kernel: [58062.902062]
i915_gem_do_execbuffer.isra.38+0x4f7/0x1570 [i915]
Aug 2 12:17:01 elwood kernel: [58062.902082] ?
radix_tree_lookup_slot+0x22/0x50
Aug 2 12:17:01 elwood kernel: [58062.902097] ? find_get_entry+0x20/0x110
Aug 2 12:17:01 elwood kernel: [58062.902110] ? shmem_getpage_gfp+0xf6/0xc00
Aug 2 12:17:01 elwood kernel: [58062.902136] ?
i915_gem_object_wait_reservation+0x18f/0x1e0 [i915]
Aug 2 12:17:01 elwood kernel: [58062.902165] i915_gem_execbuffer2+0xa2/0x1e0
[i915]
Aug 2 12:17:01 elwood kernel: [58062.902187] drm_ioctl+0x21b/0x4d0 [drm]
Aug 2 12:17:01 elwood kernel: [58062.902211] ?
i915_gem_execbuffer+0x310/0x310 [i915]
Aug 2 12:17:01 elwood kernel: [58062.902227] ? __seccomp_filter+0x67/0x250
Aug 2 12:17:01 elwood kernel: [58062.902241] do_vfs_ioctl+0xa1/0x5f0
Aug 2 12:17:01 elwood kernel: [58062.902254] ? __secure_computing+0x3b/0xd0
Aug 2 12:17:01 elwood kernel: [58062.902275] ? syscall_trace_enter+0xcd/0x2f0
Aug 2 12:17:01 elwood kernel: [58062.902290] SyS_ioctl+0x79/0x90
Aug 2 12:17:01 elwood kernel: [58062.902301] do_syscall_64+0x5b/0xc0
Aug 2 12:17:01 elwood kernel: [58062.902314]
entry_SYSCALL64_slow_path+0x25/0x25
Aug 2 12:17:01 elwood kernel: [58062.902328] RIP: 0033:0x7fcb44172f07
Aug 2 12:17:01 elwood kernel: [58062.902339] RSP: 002b:00007ffc88c2b288
EFLAGS: 00000246 ORIG_RAX: 0000000000000010
Aug 2 12:17:01 elwood kernel: [58062.902361] RAX: ffffffffffffffda RBX:
000012e6a6f29800 RCX: 00007fcb44172f07
Aug 2 12:17:01 elwood kernel: [58062.902382] RDX: 00007ffc88c2b2e0 RSI:
00000000c0406469 RDI: 000000000000000f
Aug 2 12:17:01 elwood kernel: [58062.902402] RBP: 00007ffc88c2b2e0 R08:
0000000000000000 R09: 0000000000000000
Aug 2 12:17:01 elwood kernel: [58062.902422] R10: 0000000000000050 R11:
0000000000000246 R12: 00000000c0406469
Aug 2 12:17:01 elwood kernel: [58062.902446] R13: 000000000000000f R14:
000012e6a7dbd5b0 R15: 0000000000000000
Aug 2 12:17:01 elwood kernel: [58062.902467] Code: 20 03 00 00 48 8b b8 d8 02
00 00 48 8b 52 08 48 83 ca 03 e8 1f cd 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
81 fb 00
Aug 2 12:17:01 elwood kernel: [58062.902553] RIP:
gen8_ppgtt_alloc_page_directories.isra.38+0x124/0x270 [i915] RSP:
ffff9f567d713878
Aug 2 12:17:01 elwood kernel: [58062.902578] CR2: 0000000000000018
Aug 2 12:17:01 elwood kernel: [58062.930763] ---[ end trace b691f571f4f099b5
]---
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.10.0-28-generic 4.10.0-28.32~16.04.2
ProcVersionSignature: Ubuntu 4.10.0-28.32~16.04.2-generic 4.10.17
Uname: Linux 4.10.0-28-generic x86_64
NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Aug 2 12:27:25 2017
InstallationDate: Installed on 2016-05-10 (448 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
SourcePackage: linux-hwe
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-hwe (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1708058
Title:
machine locks up - completely non-responsive
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