Public bug reported:
Tried to play a bluray using VLC, and got the following kernel NULL
pointer dereference:
Nov 22 14:22:56 spiny kernel: BUG: unable to handle kernel NULL pointer
dereference at (null)
Nov 22 14:22:56 spiny kernel: IP: [<ffffffffc056aa6d>]
gen6_ppgtt_insert_entries+0x14d/0x1d0 [i915]
Nov 22 14:22:56 spiny kernel: PGD 0
Nov 22 14:22:56 spiny kernel: Oops: 0000 [#1] SMP
Nov 22 14:22:56 spiny kernel: Modules linked in: nls_utf8 udf crc_itu_t xt_nat
xt_tcpudp veth rfcomm ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_a
Nov 22 14:22:56 spiny kernel: mei snd soundcore thunderbolt sbs sbshc acpi_als
kfifo_buf industrialio apple_gmux apple_bl mac_hid shpchp facetimehd(OE)
videobuf2_dma_sg videobuf2_memops videobuf2_v4l2 videobuf2_core vid
Nov 22 14:22:56 spiny kernel: CPU: 6 PID: 1734 Comm: vlc Tainted: G W
OE 4.8.0-27-generic #29-Ubuntu
Nov 22 14:22:56 spiny kernel: Hardware name: Apple Inc.
MacBookPro11,4/Mac-06F11FD93F0323C5, BIOS MBP114.88Z.0172.B04.1506051511
06/05/2015
Nov 22 14:22:56 spiny kernel: task: ffff89bcaab64740 task.stack:
ffff89bca10f0000
Nov 22 14:22:56 spiny kernel: RIP: 0010:[<ffffffffc056aa6d>]
[<ffffffffc056aa6d>] gen6_ppgtt_insert_entries+0x14d/0x1d0 [i915]
Nov 22 14:22:56 spiny kernel: RSP: 0018:ffff89bca10f39d8 EFLAGS: 00010246
Nov 22 14:22:56 spiny kernel: RAX: 0000000000000000 RBX: 0000000000000000 RCX:
ffff89bfacb70000
Nov 22 14:22:56 spiny kernel: RDX: ffff89bcecc12f20 RSI: ffff89bfa29ab000 RDI:
00000002e2af2000
Nov 22 14:22:56 spiny kernel: RBP: ffff89bca10f3a28 R08: 0000000000000000 R09:
ffff89bfacb70000
Nov 22 14:22:56 spiny kernel: R10: 0000000000000000 R11: ffff89bfa2c40000 R12:
ffff89bfa29abffc
Nov 22 14:22:56 spiny kernel: R13: 0000000000000000 R14: ffff89bcecc12f20 R15:
0000000000000000
Nov 22 14:22:56 spiny kernel: FS: 00007fb4ad743700(0000)
GS:ffff89bfbf380000(0000) knlGS:0000000000000000
Nov 22 14:22:56 spiny kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Nov 22 14:22:56 spiny kernel: CR2: 0000000000000000 CR3: 0000000243f03000 CR4:
00000000001406e0
Nov 22 14:22:56 spiny kernel: Stack:
Nov 22 14:22:56 spiny kernel: ffff89bcaab64740 0000000000000200
ffff89bfacb70000 0000100000000001
Nov 22 14:22:56 spiny kernel: 00000002e2af2000 0000000000000000
ffff89bcf3608c00 0000000000000002
Nov 22 14:22:56 spiny kernel: 0000000000000001 ffff89bf50dbf3c0
ffff89bca10f3a60 ffffffffc056c370
Nov 22 14:22:56 spiny kernel: Call Trace:
Nov 22 14:22:56 spiny kernel: [<ffffffffc056c370>]
aliasing_gtt_bind_vma+0x90/0xe0 [i915]
Nov 22 14:22:56 spiny kernel: [<ffffffffc057141e>] i915_vma_bind+0xce/0x180
[i915]
Nov 22 14:22:56 spiny kernel: [<ffffffffc0577eab>]
i915_gem_object_do_pin+0x86b/0xa80 [i915]
Nov 22 14:22:56 spiny kernel: [<ffffffffc05780ed>]
i915_gem_object_pin+0x2d/0x30 [i915]
Nov 22 14:22:56 spiny kernel: [<ffffffffc0565e8f>]
i915_gem_execbuffer_reserve_vma.isra.20+0x9f/0x180 [i915]
Nov 22 14:22:56 spiny kernel: [<ffffffffc0566306>]
i915_gem_execbuffer_reserve.isra.21+0x396/0x3c0 [i915]
Nov 22 14:22:56 spiny kernel: [<ffffffffc05676ba>]
i915_gem_do_execbuffer.isra.24+0x67a/0x11a0 [i915]
Nov 22 14:22:56 spiny kernel: [<ffffffff98609f52>] ? ___slab_alloc+0x212/0x4b0
Nov 22 14:22:56 spiny kernel: [<ffffffff985aa0f1>] ?
get_page_from_freelist+0xa61/0xb50
Nov 22 14:22:56 spiny kernel: [<ffffffffc0566369>] ?
drm_malloc_gfp.constprop.25+0x39/0x70 [i915]
Nov 22 14:22:56 spiny kernel: [<ffffffffc0568e02>]
i915_gem_execbuffer2+0xe2/0x210 [i915]
Nov 22 14:22:56 spiny kernel: [<ffffffffc03a9da0>] drm_ioctl+0x200/0x4f0 [drm]
Nov 22 14:22:56 spiny kernel: [<ffffffffc0568d20>] ?
i915_gem_execbuffer+0x330/0x330 [i915]
Nov 22 14:22:56 spiny kernel: [<ffffffff985db991>] ?
handle_mm_fault+0xf71/0x13c0
Nov 22 14:22:56 spiny kernel: [<ffffffff98647823>] do_vfs_ioctl+0xa3/0x610
Nov 22 14:22:56 spiny kernel: [<ffffffff9846b3b3>] ?
__do_page_fault+0x203/0x4d0
Nov 22 14:22:56 spiny kernel: [<ffffffff98647e09>] SyS_ioctl+0x79/0x90
Nov 22 14:22:56 spiny kernel: [<ffffffff98c9f076>]
entry_SYSCALL_64_fastpath+0x1e/0xa8
Nov 22 14:22:56 spiny kernel: Code: 5f 5d c3 c7 45 cc 00 00 00 00 31 db 48 c7
45 d0 00 00 00 00 45 31 f6 e9 2a ff ff ff 8b 45 b8 48 8b 4d c0 48 8b 84 c1 c8
01 00 00 <4c> 8b 38 48 8b 45 b0 83 80 f0 09 00 00 01 48 b8 00 00
Nov 22 14:22:56 spiny kernel: RIP [<ffffffffc056aa6d>]
gen6_ppgtt_insert_entries+0x14d/0x1d0 [i915]
Nov 22 14:22:56 spiny kernel: RSP <ffff89bca10f39d8>
Nov 22 14:22:56 spiny kernel: CR2: 0000000000000000
Nov 22 14:22:56 spiny kernel: ---[ end trace abc0fdfa16a6ff7a ]---
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-image-4.8.0-27-generic 4.8.0-27.29
ProcVersionSignature: Ubuntu 4.8.0-27.29-generic 4.8.1
Uname: Linux 4.8.0-27-generic x86_64
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: jbarnett 4296 F.... pulseaudio
/dev/snd/controlC0: jbarnett 4296 F.... pulseaudio
CurrentDesktop: GNOME
Date: Tue Nov 22 14:31:49 2016
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=dd225ec0-47f4-49d8-a51c-a2547f8eb945
InstallationDate: Installed on 2015-08-21 (459 days ago)
InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Alpha amd64 (20150819)
MachineType: Apple Inc. MacBookPro11,4
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=/vmlinuz-4.8.0-27-generic.efi.signed
root=/dev/mapper/ubuntu--gnome--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.8.0-27-generic N/A
linux-backports-modules-4.8.0-27-generic N/A
linux-firmware 1.161
SourcePackage: linux
UpgradeStatus: Upgraded to yakkety on 2016-09-29 (54 days ago)
dmi.bios.date: 06/05/2015
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP114.88Z.0172.B04.1506051511
dmi.board.name: Mac-06F11FD93F0323C5
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro11,4
dmi.chassis.type: 9
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-06F11FD93F0323C5
dmi.modalias:
dmi:bvnAppleInc.:bvrMBP114.88Z.0172.B04.1506051511:bd06/05/2015:svnAppleInc.:pnMacBookPro11,4:pvr1.0:rvnAppleInc.:rnMac-06F11FD93F0323C5:rvrMacBookPro11,4:cvnAppleInc.:ct9:cvrMac-06F11FD93F0323C5:
dmi.product.name: MacBookPro11,4
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug yakkety
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https://bugs.launchpad.net/bugs/1644037
Title:
Kernel NULL pointer dereference when trying to play a bluray
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