[Bug 99028] [KVM][GVT-d] [BDW & SKL ]Ubuntu 16.04 guest boot up with GPU Hang with drm-intel kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99028

--- Comment #23 from XiongZhang <xiong.y.zhang at intel.com> ---
Created attachment 130820
  --> https://bugs.freedesktop.org/attachment.cgi?id=130820&action=edit
/sys/class/drm/card0/error when gpu hang

the error message:
[    9.853024] [drm] GPU HANG: ecode 9:1:0xeeffefa9, in Xorg [871], reason: No
progress on blitter ring, action: reset
[    9.853027] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[    9.853028] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[    9.853030] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[    9.853031] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[    9.853032] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[    9.853223] [drm:i915_reset_and_wakeup [i915]] resetting chip

[   16.896147] drm/i915: Resetting chip after gpu hang
[   16.898713] [drm:i915_gem_reset [i915]] context Xorg[871]/0 marked guilty
(score 10) banned? no
[   16.898756] [drm:i915_gem_reset [i915]] resetting blitter ring to restart
from tail of request 0x1
[   16.898764] BUG: unable to handle kernel NULL pointer dereference at
0000000000000070
[   16.901051] IP: reset_common_ring+0x8b/0x120 [i915]
[   16.902392] PGD 0

[   16.903508] Oops: 0000 [#1] SMP
[   16.904262] Modules linked in: crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd
joydev input_leds serio_raw i2c_piix4 qemu_fw_cfg mac_hid parport_pc ppdev lp
parport ip_tables x_tables autofs4 hid_generic usbhid hid i915(OE) video
i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm
e1000 floppy psmouse pata_acpi
[   16.907024] CPU: 1 PID: 257 Comm: kworker/1:3 Tainted: G           OE  
4.11.0-rc3nightly+ #2
[   16.907710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
rel-1.10.1-0-g8891697-prebuilt.qemu-project.org 04/01/2014
[   16.908587] Workqueue: events_long i915_hangcheck_elapsed [i915]
[   16.909124] task: ffff89e25e6dcb00 task.stack: ffffa6d2807e4000
[   16.909582] RIP: 0010:reset_common_ring+0x8b/0x120 [i915]
[   16.910081] RSP: 0018:ffffa6d2807e7b60 EFLAGS: 00010206
[   16.910474] RAX: 0000000000003f00 RBX: ffff89e2bbd1f680 RCX:
ffff89e2777539f4
[   16.911098] RDX: 0000000000003f40 RSI: ffff89e25d92e000 RDI:
ffff89e2777539c0
[   16.911656] RBP: ffffa6d2807e7b78 R08: 0000000000000001 R09:
0000000000000001
[   16.912202] R10: 00000000ffffffff R11: 0000000000000448 R12:
ffff89e25df56000
[   16.912749] R13: 0000000000000000 R14: ffff89e2bbd1f680 R15:
ffff89e25dba4d38
[   16.913250] FS:  0000000000000000(0000) GS:ffff89e2bfd00000(0000)
knlGS:0000000000000000
[   16.913864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.914322] CR2: 0000000000000070 CR3: 00000000434a0000 CR4:
00000000003406e0
[   16.914922] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[   16.915520] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[   16.916097] Call Trace:
[   16.916324]  i915_gem_reset+0xbe/0x380 [i915]
[   16.916679]  ? intel_uncore_forcewake_put+0x48/0x60 [i915]
[   16.917111]  ? bit_wait_io+0x60/0x60
[   16.917374]  i915_reset+0xde/0x170 [i915]
[   16.917754]  i915_reset_and_wakeup+0x17c/0x190 [i915]
[   16.918164]  i915_handle_error+0x1db/0x220 [i915]
[   16.918536]  ? scnprintf+0x4d/0x90
[   16.918790]  hangcheck_declare_hang+0xdb/0x100 [i915]
[   16.919211]  i915_hangcheck_elapsed+0x2a9/0x2d0 [i915]
[   16.919613]  process_one_work+0x1fc/0x4b0
[   16.919937]  worker_thread+0x4b/0x500
[   16.920246]  kthread+0x101/0x140
[   16.920478]  ? process_one_work+0x4b0/0x4b0
[   16.920775]  ? kthread_create_on_node+0x60/0x60
[   16.921148]  ret_from_fork+0x2c/0x40
[   16.921450] Code: c8 01 00 00 89 50 14 48 8b 83 80 00 00 00 8b 93 c8 01 00
00 89 50 28 48 8b bb 80 00 00 00 e8 6d 2c 00 00 4d 8b ac 24 60 02 00 00 <49> 8b
45 70 48 39 43 70 74 5d 4d 85 ed 74 20 48 c7 c0 e0 70 61
[   16.922917] RIP: reset_common_ring+0x8b/0x120 [i915] RSP: ffffa6d2807e7b60
[   16.923488] CR2: 0000000000000070
[   16.923762] ---[ end trace 2a911e958217bc24 ]---
error

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