Unfortunately I was still able to reproduce. Here's the current trace,
this time without arbitrary line cutoffs.
While this report, too, has chrome as the "comm" I've also seen compiz
being the "culprit."
IP: gen8_ppgtt_alloc_page_directories.isra.40+0x115/0x250 [i915]
PGD 0
Oops: 0002 [#1] SMP
Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs
xfs ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4
iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack
nf_conntrack libcrc32c ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp llc
ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter rfcomm cmac
bnep binfmt_misc cmdlinepart intel_spi_platform intel_spi spi_nor mtd dell_wmi
sparse_keymap arc4 intel_rapl x86_pkg_temp_thermal dell_laptop intel_powerclamp
coretemp iwlmvm dell_smm_hwmon kvm_intel kvm mac80211 irqbypass intel_cstate
uvcvideo intel_rapl_perf videobuf2_vmalloc videobuf2_memops btusb
videobuf2_v4l2 btrtl videobuf2_core btbcm btintel dell_led joydev videodev
iwlwifi dell_smbios dcdbas media bluetooth
snd_hda_codec_hdmi serio_raw snd_hda_codec_realtek snd_hda_codec_generic
cfg80211 input_leds snd_soc_rt5640 snd_soc_rl6231 snd_hda_intel mei_me
snd_soc_ssm4567 snd_hda_codec shpchp mei lpc_ich snd_hda_core snd_soc_core
snd_hwdep snd_compress ac97_bus snd_pcm_dmaengine snd_pcm snd_seq_midi
snd_seq_midi_event snd_rawmidi int3403_thermal snd_seq snd_seq_device snd_timer
elan_i2c snd acpi_als dw_dmac soundcore kfifo_buf dw_dmac_core industrialio
snd_soc_sst_acpi i2c_designware_platform snd_soc_sst_match int3402_thermal
8250_dw i2c_designware_core spi_pxa2xx_platform mac_hid
processor_thermal_device dell_rbtn int3400_thermal intel_soc_dts_iosf
int340x_thermal_zone acpi_thermal_rel int3406_thermal acpi_pad parport_pc ppdev
lp parport ip_tables x_tables autofs4 algif_skcipher af_alg dm_crypt
hid_generic usbhid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc i915
aesni_intel aes_x86_64 crypto_simd i2c_algo_bit glue_helper drm_kms_helper
cryptd ahci psmouse syscopyarea libahci sysfillrect sysimgblt fb_sys_fops
sdhci_pci e1000e drm ptp pps_core wmi video sdhci_acpi sdhci i2c_hid hid
CPU: 1 PID: 3403 Comm: chrome Not tainted 4.11.0-041100rc5-generic #201704022131
Hardware name: Dell Inc. Latitude E7250/0V8RX3, BIOS A09 11/18/2015
task: ffff969e1cf00000 task.stack: ffffbe03435b8000
RIP: 0010:gen8_ppgtt_alloc_page_directories.isra.40+0x115/0x250 [i915]
RSP: 0018:ffffbe03435bb8c0 EFLAGS: 00010246
RAX: ffff969cf4346f80 RBX: 0000000000000003 RCX: 0000000000000003
RDX: 0000000000000000 RSI: ffff969e1b5f3000 RDI: ffff969e8ac80000
RBP: ffffbe03435bb918 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff969c89f3c000
R13: ffff969d2a61e090 R14: 00000000fffef000 R15: 0000000000008000
FS: 00007ff2cab90b00(0000) GS:ffff969e9e480000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000018 CR3: 000000019c1c6000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
gen8_alloc_va_range_3lvl+0xd1/0x920 [i915]
? __alloc_pages_nodemask+0xdf/0x240
? alloc_pages_vma+0xab/0x250
? add_hole+0xd8/0x100 [drm]
gen8_alloc_va_range+0x25b/0x410 [i915]
i915_vma_bind+0x81/0x170 [i915]
__i915_vma_do_pin+0x30b/0x3b0 [i915]
i915_gem_execbuffer_reserve_vma.isra.30+0x14d/0x1b0 [i915]
i915_gem_execbuffer_reserve.isra.31+0x3a7/0x3d0 [i915]
i915_gem_do_execbuffer.isra.37+0x4af/0x15b0 [i915]
? find_get_entry+0x20/0x100
? shmem_getpage_gfp+0x104/0xc70
i915_gem_execbuffer2+0xa1/0x1e0 [i915]
drm_ioctl+0x218/0x4b0 [drm]
? i915_gem_execbuffer+0x310/0x310 [i915]
do_vfs_ioctl+0xa3/0x600
? __secure_computing+0x3f/0xe0
? syscall_trace_enter+0xcd/0x2e0
SyS_ioctl+0x79/0x90
do_syscall_64+0x5b/0xc0
entry_SYSCALL64_slow_path+0x25/0x25
RIP: 0033:0x7ff2c3f23907
RSP: 002b:00007ffc4169eec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000009f2220b3000 RCX: 00007ff2c3f23907
RDX: 00007ffc4169ef10 RSI: 00000000c0406469 RDI: 000000000000000e
RBP: 00007ffc4169ef10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000038 R11: 0000000000000246 R12: 00000000c0406469
R13: 000000000000000e R14: 0000000000000000 R15: 0000000000000000
Code: e6 48 8b 90 28 03 00 00 48 8b b8 e0 02 00 00 48 8b 52 08 48 83 ca 03 e8
9a d1 ff ff 48 8b 45 b0 48 8b 4d c8 48 8b 10 48 8b 45 d0 <4c> 89 24 ca 48 0f ab
08 0f 1f 44 00 00 e9 53 ff ff ff 65 8b 05
RIP: gen8_ppgtt_alloc_page_directories.isra.40+0x115/0x250 [i915] RSP:
ffffbe03435bb8c0
CR2: 0000000000000018
---[ end trace d5d6c6116f3943bc ]---
** Tags added: bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags removed: bug-exists-upstream
** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1677673
Title:
System soft-freezes, BUG: unable to handle kernel NULL pointer
dereference at 0000000000000018 in journalctl
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