[Bug 99295] [Regression BDW] kernel panic in Intel i915 module, complete system freeze in 4.10-rc2

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Jan 10 09:38:59 UTC 2017 

https://bugs.freedesktop.org/show_bug.cgi?id=99295

--- Comment #1 from Ernst Sjöstrand <ernstp at gmail.com> ---
Got the same thing with:
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-next/2017-01-09/

Jan  9 18:05:28 kvagga kernel: [25869.013107] BUG: unable to handle kernel NULL
pointer dereference at 0000000000000018
Jan  9 18:05:28 kvagga kernel: [25869.013154] IP:
gen8_ppgtt_alloc_page_directories.isra.38+0x115/0x250 [i915]
Jan  9 18:05:28 kvagga kernel: [25869.013175] PGD 0 
Jan  9 18:05:28 kvagga kernel: [25869.013175] 
Jan  9 18:05:28 kvagga kernel: [25869.013188] Oops: 0002 [#1] SMP
Jan  9 18:05:28 kvagga kernel: [25869.013199] Modules linked in: msr rfcomm
ftdi_sio usbserial bnep ax88179_178a usbnet mii snd_hda_codec_hdmi
hid_logitech_hidpp hid_
logitech_dj uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2
videobuf2_core videodev media btusb btrtl hid_generic hid_multitouch
binfmt_misc nls_iso8859_1 
i2c_designware_platform i2c_designware_core intel_rapl x86_pkg_temp_thermal
intel_powerclamp dell_wmi dell_led coretemp snd_hda_codec_realtek
snd_hda_codec_generic kv
m_intel dell_laptop dell_smbios dcdbas kvm irqbypass snd_hda_intel
crct10dif_pclmul snd_hda_codec crc32_pclmul ghash_clmulni_intel snd_hda_core
pcbc snd_hwdep snd_pcm
 aesni_intel snd_seq_midi snd_seq_midi_event snd_rawmidi aes_x86_64 brcmfmac
crypto_simd glue_helper cryptd snd_seq brcmutil intel_cstate intel_rapl_perf
cfg80211 inp
ut_leds snd_seq_device
Jan  9 18:05:28 kvagga kernel: [25869.013394]  joydev snd_timer rtsx_pci_ms
serio_raw memstick snd soundcore idma64 virt_dma processor_thermal_device
mei_me intel_soc
_dts_iosf shpchp mei intel_pch_thermal intel_lpss_pci hci_uart btbcm btqca
btintel bluetooth int3403_thermal dell_smo8800 intel_lpss_acpi acpi_als
intel_lpss int3402_
thermal mac_hid int3400_thermal intel_hid int340x_thermal_zone acpi_thermal_rel
acpi_pad kfifo_buf sparse_keymap industrialio parport_pc ppdev lp parport
ip_tables x_
tables autofs4 usbhid rtsx_pci_sdmmc mxm_wmi i915 i2c_algo_bit drm_kms_helper
syscopyarea sysfillrect sysimgblt psmouse fb_sys_fops nvme drm nvme_core ahci
rtsx_pci l
ibahci i2c_hid hid wmi pinctrl_sunrisepoint video pinctrl_intel fjes
Jan  9 18:05:28 kvagga kernel: [25869.013566] CPU: 2 PID: 4249 Comm: Compositor
Tainted: G        W       4.10.0-996-generic #201701090024
Jan  9 18:05:28 kvagga kernel: [25869.013591] Hardware name: Dell Inc. XPS 15
9550/0N7TVV, BIOS 1.2.14 08/31/2016
Jan  9 18:05:28 kvagga kernel: [25869.013611] task: ffff8d3e218c5c00
task.stack: ffff9a5a43d74000
Jan  9 18:05:28 kvagga kernel: [25869.013642] RIP:
0010:gen8_ppgtt_alloc_page_directories.isra.38+0x115/0x250 [i915]
Jan  9 18:05:28 kvagga kernel: [25869.013663] RSP: 0018:ffff9a5a43d778a8
EFLAGS: 00010246
Jan  9 18:05:28 kvagga kernel: [25869.013679] RAX: ffff8d3cf2285880 RBX:
0000000000000003 RCX: 0000000000000003
Jan  9 18:05:28 kvagga kernel: [25869.013699] RDX: 0000000000000000 RSI:
ffff8d3d1108f000 RDI: ffff8d3e21aa0000
Jan  9 18:05:28 kvagga kernel: [25869.013718] RBP: ffff9a5a43d77900 R08:
0000000000000000 R09: 0000000000000000
Jan  9 18:05:28 kvagga kernel: [25869.013738] R10: 0000000000000000 R11:
ffff8d3e218c5c00 R12: ffff8d3e26a72000
Jan  9 18:05:28 kvagga kernel: [25869.013758] R13: ffff8d3ac0d8c810 R14:
00000000fdb44000 R15: 0000000000010000
Jan  9 18:05:28 kvagga kernel: [25869.013778] FS:  00007f22f36ff700(0000)
GS:ffff8d3e3dc80000(0000) knlGS:0000000000000000
Jan  9 18:05:28 kvagga kernel: [25869.013800] CS:  0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Jan  9 18:05:28 kvagga kernel: [25869.013816] CR2: 0000000000000018 CR3:
000000045ff01000 CR4: 00000000003406e0
Jan  9 18:05:28 kvagga kernel: [25869.013836] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jan  9 18:05:28 kvagga kernel: [25869.013855] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Jan  9 18:05:28 kvagga kernel: [25869.013875] Call Trace:
Jan  9 18:05:28 kvagga kernel: [25869.013897] 
gen8_alloc_va_range_3lvl+0xfb/0x9e0 [i915]
Jan  9 18:05:28 kvagga kernel: [25869.013914]  ?
swiotlb_map_sg_attrs+0x49/0x110
Jan  9 18:05:28 kvagga kernel: [25869.013939]  gen8_alloc_va_range+0x23d/0x470
[i915]
Jan  9 18:05:28 kvagga kernel: [25869.013967]  i915_vma_bind+0x81/0x120 [i915]
Jan  9 18:05:28 kvagga kernel: [25869.013993]  __i915_vma_do_pin+0x29b/0x440
[i915]
Jan  9 18:05:28 kvagga kernel: [25869.014018] 
i915_gem_execbuffer_reserve_vma.isra.31+0x144/0x1b0 [i915]
Jan  9 18:05:28 kvagga kernel: [25869.014047] 
i915_gem_execbuffer_reserve.isra.32+0x39e/0x3d0 [i915]
Jan  9 18:05:28 kvagga kernel: [25869.014076] 
i915_gem_do_execbuffer.isra.38+0x493/0x1740 [i915]
Jan  9 18:05:28 kvagga kernel: [25869.014094]  ? __schedule+0x23b/0x6f0
Jan  9 18:05:28 kvagga kernel: [25869.014106]  ? schedule+0x36/0x80
Jan  9 18:05:28 kvagga kernel: [25869.014118]  ? futex_wait_queue_me+0xd3/0x120
Jan  9 18:05:28 kvagga kernel: [25869.014142]  i915_gem_execbuffer2+0xa1/0x1e0
[i915]
Jan  9 18:05:28 kvagga kernel: [25869.014163]  drm_ioctl+0x209/0x4c0 [drm]
Jan  9 18:05:28 kvagga kernel: [25869.014186]  ?
i915_gem_execbuffer+0x310/0x310 [i915]
Jan  9 18:05:28 kvagga kernel: [25869.014201]  ? do_futex+0x1ff/0x530
Jan  9 18:05:28 kvagga kernel: [25869.014213]  ? __vfs_write+0xe5/0x160
Jan  9 18:05:28 kvagga kernel: [25869.014225]  do_vfs_ioctl+0xa3/0x600
Jan  9 18:05:28 kvagga kernel: [25869.014237]  ? SyS_futex+0x85/0x180
Jan  9 18:05:28 kvagga kernel: [25869.014248]  SyS_ioctl+0x79/0x90
Jan  9 18:05:28 kvagga kernel: [25869.014259] 
entry_SYSCALL_64_fastpath+0x1e/0xad
Jan  9 18:05:28 kvagga kernel: [25869.014274] RIP: 0033:0x7f2319eae8b7
Jan  9 18:05:28 kvagga kernel: [25869.014291] RSP: 002b:00007f22f36fe518
EFLAGS: 00000246 ORIG_RAX: 0000000000000010
Jan  9 18:05:28 kvagga kernel: [25869.014313] RAX: ffffffffffffffda RBX:
00007f22e93ba800 RCX: 00007f2319eae8b7
Jan  9 18:05:28 kvagga kernel: [25869.014332] RDX: 00007f22f36fe560 RSI:
0000000040406469 RDI: 0000000000000032
Jan  9 18:05:28 kvagga kernel: [25869.014352] RBP: 00007f22f36fe560 R08:
00007f22dba53400 R09: 0000000000000000
Jan  9 18:05:28 kvagga kernel: [25869.014372] R10: 0000000000000000 R11:
0000000000000246 R12: 0000000040406469
Jan  9 18:05:28 kvagga kernel: [25869.014391] R13: 0000000000000032 R14:
00007f22e9397a40 R15: 0000000000001160
Jan  9 18:05:28 kvagga kernel: [25869.014411] Code: e6 48 8b 90 e0 02 00 00 48
8b b8 98 02 00 00 48 8b 52 08 48 83 ca 03 e8 ca cd 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 
Jan  9 18:05:28 kvagga kernel: [25869.014489] RIP:
gen8_ppgtt_alloc_page_directories.isra.38+0x115/0x250 [i915] RSP:
ffff9a5a43d778a8
Jan  9 18:05:28 kvagga kernel: [25869.014513] CR2: 0000000000000018

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