[Bug 76671] New: [PNV/ILK Regression]X will be no response when run all piglit cases

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76671

          Priority: highest
            Bug ID: 76671
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [PNV/ILK Regression]X will be no response when run all
                    piglit cases
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: blocker
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 96438
  --> https://bugs.freedesktop.org/attachment.cgi?id=96438&action=edit
dmesg

System Environment:
--------------------------
Platform: Ironlake
Kernel:  drm-intel-nightly/07071a9d41aed59f4f2ba66afb82ec35557a80c1

Bug detailed description:
-----------------------------
Run all Piglit cases, X will be no response.
It happens on Pineview and Ironlake with -queued and -nightly kernel, It
doesn't happen on -fixes kernel.

The latest known good commit:4726e0b045b80c514377da35ca01467ef6a4de53
The latest known bad commit: 57e00b2e1b348b3855f4a3b681d583f8c9cf39fb

dmesg:
[ 1058.784926] BUG: unable to handle kernel NULL pointer dereference at
0000000000000030
[ 1058.784981] IP: [<ffffffffa0078b8f>] i915_gem_free_request+0x90/0xb2 [i915]
[ 1058.785042] PGD ca6de067 PUD ca776067 PMD 0
[ 1058.785071] Oops: 0000 [#1] SMP
[ 1058.785094] Modules linked in: bnep bluetooth 6lowpan_iphc rfkill ipv6
dm_mod snd_hda_codec_hdmi firewire_ohci snd_hda_codec_realtek
snd_hda_codec_generic iTCO_wdt iTCO_vendor_support firewire_core lpc_ich
serio_raw pcspkr i2c_i801 crc_itu_t mfd_core snd_hda_intel snd_hda_codec
snd_hwdep snd_pcm r8169 snd_timer snd soundcore floppy acpi_cpufreq i915 video
button drm_kms_helper drm
[ 1058.785334] CPU: 3 PID: 3822 Comm: X Not tainted
3.14.0-rc7_drm-intel-nightly_07071a_20140326+ #1038
[ 1058.785377] Hardware name: Gigabyte Technology Co., Ltd.
H55M-UD2H/H55M-UD2H, BIOS F4 12/02/2009
[ 1058.785424] task: ffff880001c6f350 ti: ffff8800ca688000 task.ti:
ffff8800ca688000
[ 1058.785463] RIP: 0010:[<ffffffffa0078b8f>]  [<ffffffffa0078b8f>]
i915_gem_free_request+0x90/0xb2 [i915]
[ 1058.785518] RSP: 0018:ffff8800ca689d58  EFLAGS: 00010286
[ 1058.785545] RAX: 0000000000000000 RBX: ffff8800ca588a20 RCX:
00000001802a0024
[ 1058.785581] RDX: ffff8800b5f19870 RSI: ffffea0004395540 RDI:
ffff8800ca588780
[ 1058.785617] RBP: 0000000000000000 R08: dead000000200200 R09:
ffffea0003299b80
[ 1058.785653] R10: dead000000100100 R11: ffffffffa007a04d R12:
ffff880002dc1850
[ 1058.785689] R13: ffff880002dc1840 R14: ffff880002c99a00 R15:
00000000fffffff2
[ 1058.785724] FS:  00007fe02a3de8c0(0000) GS:ffff880117cc0000(0000)
knlGS:0000000000000000
[ 1058.785764] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 1058.785793] CR2: 0000000000000030 CR3: 00000000ca69f000 CR4:
00000000000007e0
[ 1058.785830] Stack:
[ 1058.785842]  ffffea0004395540 ffff880002dc1750 0000000000032e6c
ffffffffa007a04d
[ 1058.785886]  ffff8800d35ee000 ffff8800d3768d80 0000000000000000
ffff8800d35ee000
[ 1058.785936]  ffff8800ca689e18 ffffffffa007ace7 0000000000000008
0000000000000008
[ 1058.785983] Call Trace:
[ 1058.786012]  [<ffffffffa007a04d>] ? i915_gem_retire_requests_ring+0x64/0x93
[i915]
[ 1058.786060]  [<ffffffffa007ace7>] ? i915_gem_busy_ioctl+0x63/0xba [i915]
[ 1058.786102]  [<ffffffffa0002f78>] ? drm_ioctl+0x264/0x38d [drm]
[ 1058.786142]  [<ffffffffa007ac84>] ? i915_gem_pread_ioctl+0x419/0x419 [i915]
[ 1058.786186]  [<ffffffff810dfece>] ? do_readv_writev+0x19d/0x1b2
[ 1058.786223]  [<ffffffff81719ca7>] ? __schedule+0x645/0x78b
[ 1058.786256]  [<ffffffff812d8be9>] ? timerqueue_del+0x4c/0x53
[ 1058.786290]  [<ffffffff8104d219>] ? __remove_hrtimer+0x2a/0x7f
[ 1058.786325]  [<ffffffff810ed5db>] ? do_vfs_ioctl+0x3ec/0x435
[ 1058.786357]  [<ffffffff810378e6>] ? do_setitimer+0xbe/0x19e
[ 1058.786388]  [<ffffffff810ed66d>] ? SyS_ioctl+0x49/0x78
[ 1058.786418]  [<ffffffff81092a84>] ? __audit_syscall_exit+0x209/0x225
[ 1058.786464]  [<ffffffff817214a2>] ? system_call_fastpath+0x16/0x1b
[ 1058.786497] Code: de 48 89 53 48 48 89 4b 50 48 c7 43 40 00 00 00 00 80 45
10 01 48 8b 7b 18 48 85 ff 74 1d 48 8b 47 20 48 85 c0 74 14 48 8b 40 08 <48> 8b
40 30 80 78 18 05 76 06 f0 83 2f 01 74 0b 58 48 89 df 5b
[ 1058.786717] RIP  [<ffffffffa0078b8f>] i915_gem_free_request+0x90/0xb2 [i915]
[ 1058.786767]  RSP <ffff8800ca689d58>
[ 1058.786786] CR2: 0000000000000030
[ 1058.794613] ---[ end trace 15faf5334e1f418b ]---

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