Public bug reported:
System started freezing up a couple days ago. After the latest one, I
looked at the syslog file and found what appears to be a kernel bug
report.
May 5 18:06:03 corbin-goul kernel: [ 4650.769677] BUG: unable to handle kernel
NULL pointer dereference at 0000000000000008
May 5 18:06:03 corbin-goul kernel: [ 4650.769694] IP: rm_hole+0x19/0x70 [drm]
May 5 18:06:03 corbin-goul kernel: [ 4650.769696] PGD 0 P4D 0
May 5 18:06:03 corbin-goul kernel: [ 4650.769698] Oops: 0002 [#1] SMP PTI
May 5 18:06:03 corbin-goul kernel: [ 4650.769700] Modules linked in:
nls_iso8859_1 snd_hda_codec_realtek snd_hda_codec_hdmi intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel snd_hda_codec_generic
snd_hda_intel snd
_hda_codec kvm snd_hda_core snd_hwdep snd_pcm irqbypass mei_me intel_cstate mei
intel_rapl_perf snd_seq_midi input_leds snd_seq_midi_event serio_raw
snd_rawmidi snd_seq snd_seq_device snd_timer lpc_ich snd shpchp soundcore
mac_hid s
ch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi
scsi_transport_iscsi parport_pc ppdev lp parport ip_tables x_tables autofs4
btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq a
sync_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear raid1
hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc
i915
May 5 18:06:03 corbin-goul kernel: [ 4650.769733] aesni_intel i2c_algo_bit
aes_x86_64 crypto_simd drm_kms_helper glue_helper cryptd syscopyarea
sysfillrect sysimgblt r8169 fb_sys_fops ahci mii drm libahci sata_inic162x video
May 5 18:06:03 corbin-goul kernel: [ 4650.769743] CPU: 0 PID: 8713 Comm:
kworker/0:0 Not tainted 4.15.0-48-generic #51-Ubuntu
May 5 18:06:03 corbin-goul kernel: [ 4650.769744] Hardware name: Gigabyte
Technology Co., Ltd. H87M-D3H/H87M-D3H, BIOS F3 04/24/2013
May 5 18:06:03 corbin-goul kernel: [ 4650.769770] Workqueue: events
__i915_gem_free_work [i915]
May 5 18:06:03 corbin-goul kernel: [ 4650.769778] RIP: 0010:rm_hole+0x19/0x70
[drm]
May 5 18:06:03 corbin-goul kernel: [ 4650.769779] RSP: 0018:ffff95fb81f2bd20
EFLAGS: 00010202
May 5 18:06:03 corbin-goul kernel: [ 4650.769780] RAX: 0000000000000000 RBX:
ffff89d51f1382c0 RCX: 0000000000000000
May 5 18:06:03 corbin-goul kernel: [ 4650.769781] RDX: 0000000000000000 RSI:
ffff89d765cf8b40 RDI: ffff89d51f138318
May 5 18:06:03 corbin-goul kernel: [ 4650.769782] RBP: ffff95fb81f2bd28 R08:
ffff89d5e7b71bc0 R09: 0000000000000000
May 5 18:06:03 corbin-goul kernel: [ 4650.769783] R10: ffff95fb81f2bde0 R11:
0000000000000001 R12: ffff89d765cf8b00
May 5 18:06:03 corbin-goul kernel: [ 4650.769784] R13: 0000000000000000 R14:
ffff89d51f1382e0 R15: ffff89d75f6c37c8
May 5 18:06:03 corbin-goul kernel: [ 4650.769786] FS: 0000000000000000(0000)
GS:ffff89d77e200000(0000) knlGS:0000000000000000
May 5 18:06:03 corbin-goul kernel: [ 4650.769787] CS: 0010 DS: 0000 ES: 0000
CR0: 0000000080050033
May 5 18:06:03 corbin-goul kernel: [ 4650.769788] CR2: 0000000000000008 CR3:
00000002eac0a002 CR4: 00000000001606f0
May 5 18:06:03 corbin-goul kernel: [ 4650.769789] Call Trace:
May 5 18:06:03 corbin-goul kernel: [ 4650.769797]
drm_mm_remove_node+0x29d/0x360 [drm]
May 5 18:06:03 corbin-goul kernel: [ 4650.769801] ?
__internal_add_timer+0x1f/0x60
May 5 18:06:03 corbin-goul kernel: [ 4650.769816] i915_vma_remove+0x3a/0x100
[i915]
May 5 18:06:03 corbin-goul kernel: [ 4650.769830] i915_vma_unbind+0x1cd/0x370
[i915]
May 5 18:06:03 corbin-goul kernel: [ 4650.769843] i915_vma_close+0x7d/0xa0
[i915]
May 5 18:06:03 corbin-goul kernel: [ 4650.769856]
__i915_gem_free_objects+0xa3/0x2c0 [i915]
May 5 18:06:03 corbin-goul kernel: [ 4650.769867]
__i915_gem_free_work+0x60/0x90 [i915]
May 5 18:06:03 corbin-goul kernel: [ 4650.769870] process_one_work+0x1de/0x410
May 5 18:06:03 corbin-goul kernel: [ 4650.769872] worker_thread+0x32/0x410
May 5 18:06:03 corbin-goul kernel: [ 4650.769874] kthread+0x121/0x140
May 5 18:06:03 corbin-goul kernel: [ 4650.769876] ?
process_one_work+0x410/0x410
May 5 18:06:03 corbin-goul kernel: [ 4650.769878] ?
kthread_create_worker_on_cpu+0x70/0x70
May 5 18:06:03 corbin-goul kernel: [ 4650.769881] ret_from_fork+0x35/0x40
May 5 18:06:03 corbin-goul kernel: [ 4650.769882] Code: 00 00 00 45 31 d2 eb
bb 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 53 48 8b 57 30 48
8b 47 38 48 89 fb 48 8d 7f 58 <48> 89 42 08 48 89 10 48 b8 00 01 00 00 00 00 ad
de 48 89 47 d8
May 5 18:06:03 corbin-goul kernel: [ 4650.769909] RIP: rm_hole+0x19/0x70 [drm]
RSP: ffff95fb81f2bd20
May 5 18:06:03 corbin-goul kernel: [ 4650.769910] CR2: 0000000000000008
May 5 18:06:03 corbin-goul kernel: [ 4650.769912] ---[ end trace
4488bf4278af9827 ]---
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-48-generic 4.15.0-48.51
ProcVersionSignature: Ubuntu 4.15.0-48.51-generic 4.15.18
Uname: Linux 4.15.0-48-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ken 2604 F.... pulseaudio
/dev/snd/controlC1: ken 2604 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Sun May 5 18:18:41 2019
HibernationDevice: RESUME=UUID=d9769aee-0f6e-4d98-8376-a6ba3aa6edf8
InstallationDate: Installed on 2018-10-18 (199 days ago)
InstallationMedia: Ubuntu-Server 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
IwConfig:
lo no wireless extensions.
enp2s0 no wireless extensions.
MachineType: Gigabyte Technology Co., Ltd. H87M-D3H
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-48-generic
root=/dev/mapper/system-Ubuntu--18.04.1 ro
RelatedPackageVersions:
linux-restricted-modules-4.15.0-48-generic N/A
linux-backports-modules-4.15.0-48-generic N/A
linux-firmware 1.173.5
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/24/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F3
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H87M-D3H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF3:bd04/24/2013:svnGigabyteTechnologyCo.,Ltd.:pnH87M-D3H:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnH87M-D3H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: H87M-D3H
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1827822
Title:
kernel null pointer dereference
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