[Bug 72906] [IVB/HSW bisected] 3D performance (e.g. padman, somkin-guns,urbanterror) reduced by 20% and X no responsive

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72906

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |huax.lu at intel.com

--- Comment #10 from lu hua <huax.lu at intel.com> ---
When run nightly piglit testing on Ivybridge and Haswell, It randomly has "X no
responsive" issue.

dmesg:
[  275.573184] BUG: unable to handle kernel NULL pointer dereference at
0000000000000008
[  275.573226] IP: [<ffffffffa008c473>] i915_gem_gtt_finish_object+0x73/0xc8
[i915]
[  275.573272] PGD b410e067 PUD c7525067 PMD 0
[  275.573295] Oops: 0000 [#1] SMP
[  275.573313] Modules linked in: bnep bluetooth rfkill ip6table_filter
ip6_tables ebtable_nat ebtables nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack
nf_conntrack ipt_REJECT iptable_mangle xt_tcpudp iptable_filter ip_tables
x_tables bridge stp llc ipv6 dm_mod dcdbas snd_hda_codec_hdmi iTCO_wdt
iTCO_vendor_support snd_hda_codec_realtek serio_raw pcspkr snd_hda_intel
snd_hda_codec snd_hwdep snd_pcm snd_page_alloc lpc_ich i2c_i801 mfd_core
snd_timer snd soundcore acpi_cpufreq i915 video button drm_kms_helper drm
[  275.573563] CPU: 2 PID: 4309 Comm: arb_color_buffe Not tainted
3.13.0-rc4_drm-intel-nightly_2c21a5_20140106_debug+ #100
[  275.573607] Hardware name: Dell Inc. OptiPlex 9010/03JR84, BIOS A01
05/04/2012
[  275.573638] task: ffff8800c6c93fa0 ti: ffff8800b7568000 task.ti:
ffff8800b7568000
[  275.573669] RIP: 0010:[<ffffffffa008c473>]  [<ffffffffa008c473>]
i915_gem_gtt_finish_object+0x73/0xc8 [i915]
[  275.573718] RSP: 0018:ffff8800b7569d18  EFLAGS: 00010246
[  275.573740] RAX: 0000000000000000 RBX: ffff880003740000 RCX:
ffff8800befe5000
[  275.573770] RDX: 0000000000000011 RSI: 0000000000000011 RDI:
ffff8801156101c0
[  275.573800] RBP: ffff8800b7569d38 R08: 0000160000000000 R09:
ffff880000000000
[  275.573830] R10: 0000000000000010 R11: ffff8801156101c0 R12:
ffff8801156101c0
[  275.573860] R13: 0000000000000001 R14: ffff880118545000 R15:
ffff880003740000
[  275.573890] FS:  00007f7e0cb30740(0000) GS:ffff88011e300000(0000)
knlGS:0000000000000000
[  275.573923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  275.573948] CR2: 0000000000000008 CR3: 00000000b7443000 CR4:
00000000001407e0
[  275.573977] Stack:
[  275.573987]  ffff8801156101c0 ffff880003348d80 0000000000000000
ffff8801189e3268
[  275.574023]  ffff8800b7569d78 ffffffffa0082d37 ffff8800d4880898
ffff8800d4880898
[  275.574058]  ffff8800d48808f0 ffff880118545000 ffff8801189e3268
ffff8800b746f690
[  275.574094] Call Trace:
[  275.574114]  [<ffffffffa0082d37>] i915_vma_unbind+0xc3/0x180 [i915]
[  275.574147]  [<ffffffffa00873a0>] i915_gem_evict_vm+0x88/0xd2 [i915]
[  275.574180]  [<ffffffffa0085c93>] i915_gem_context_free+0xd7/0x134 [i915]
[  275.574215]  [<ffffffffa0086d1b>] i915_gem_context_close+0x84/0x8b [i915]
[  275.574248]  [<ffffffffa0073e47>] i915_driver_preclose+0x2e/0x49 [i915]
[  275.574281]  [<ffffffffa0073e19>] ? i915_driver_lastclose+0x40/0x40 [i915]
[  275.574316]  [<ffffffffa0003f23>] drm_release+0x77/0x4c4 [drm]
[  275.574343]  [<ffffffff8112b081>] __fput+0xed/0x1e3
[  275.574365]  [<ffffffff8112b1af>] ____fput+0xe/0x10
[  275.574388]  [<ffffffff81054ddc>] task_work_run+0x7e/0x96
[  275.574412]  [<ffffffff810025f8>] do_notify_resume+0x5a/0x6b
[  275.574439]  [<ffffffff813784ae>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[  275.574467]  [<ffffffff8181a8da>] int_signal+0x12/0x17
[  275.574489] Code: 48 c7 c6 39 fa 0e a0 31 c0 e8 ef b8 f7 ff bf c6 a7 00 00
e8 0b ae 2e e1 41 f6 84 24 3b 01 00 00 01 75 44 49 8b 84 24 40 01 00 00 <8b> 50
08 48 8b 30 49 8b 86 90 03 00 00 48 89 c7 48 81 c7 98 00
[  275.574651] RIP  [<ffffffffa008c473>] i915_gem_gtt_finish_object+0x73/0xc8
[i915]
[  275.574689]  RSP <ffff8800b7569d18>
[  275.574704] CR2: 0000000000000008
[  275.578714] ---[ end trace 34d8cec1bb111f7b ]---

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