[Bug 90141] New: WARNING: CPU: 2 PID: 1576 at /home/apw/COD/linux/drivers/gpu/drm/i915/i915_gem_execbuffer.c:125 eb_lookup_vmas.isra.15+0x345/0x3e0 [i915]()

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=90141

            Bug ID: 90141
           Summary: WARNING: CPU: 2 PID: 1576 at
                    /home/apw/COD/linux/drivers/gpu/drm/i915/i915_gem_exec
                    buffer.c:125 eb_lookup_vmas.isra.15+0x345/0x3e0
                    [i915]()
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.19-rc1
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: caravena at gmail.com
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

[    7.451119] ------------[ cut here ]------------
[    7.451168] WARNING: CPU: 2 PID: 1576 at
/home/apw/COD/linux/drivers/gpu/drm/i915/i915_gem_execbuffer.c:125
eb_lookup_vmas.isra.15+0x345/0x3e0 [i915]()
[    7.451171] GPU use of dumb buffer is illegal.
[    7.451172] Modules linked in: dm_crypt uvcvideo videobuf2_vmalloc
videobuf2_memops videobuf2_core v4l2_common videodev media btusb
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic samsung_laptop
snd_hda_intel snd_hda_controller intel_rapl snd_hda_codec arc4 iosf_mbi
snd_hwdep x86_pkg_temp_thermal intel_powerclamp snd_pcm coretemp iwldvm
kvm_intel mac80211 dm_multipath scsi_dh iwlwifi snd_seq_midi kvm
crct10dif_pclmul snd_seq_midi_event crc32_pclmul ghash_clmulni_intel
snd_rawmidi cryptd cfg80211 snd_seq joydev snd_seq_device snd_timer serio_raw
snd lpc_ich soundcore shpchp dell_smo8800 mac_hid mei_me mei parport_pc ppdev
lp parport rfcomm bnep bluetooth binfmt_misc btrfs raid10 raid456
async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1
raid0 multipath linear
[    7.451224]  hid_generic usbhid hid i915 i2c_algo_bit drm_kms_helper psmouse
drm ahci r8169 libahci mii wmi video
[    7.451240] CPU: 2 PID: 1576 Comm: Xorg Not tainted 3.19.0-031900rc1-generic
#201412210135
[    7.451242] Hardware name: SAMSUNG ELECTRONICS CO., LTD.
530U3C/530U4C/SAMSUNG_NP1234567890, BIOS P14AAJ 04/15/2013
[    7.451244]  000000000000007d ffff8800cb107b88 ffffffff817c442a
0000000000000007
[    7.451248]  ffff8800cb107bd8 ffff8800cb107bc8 ffffffff81076bf7
ffff8800cbfb87f0
[    7.451252]  ffff880035675440 ffff880035675340 ffff8800cb107c78
ffff8800ceba0400
[    7.451256] Call Trace:
[    7.451264]  [<ffffffff817c442a>] dump_stack+0x45/0x57
[    7.451270]  [<ffffffff81076bf7>] warn_slowpath_common+0x97/0xe0
[    7.451274]  [<ffffffff81076cf6>] warn_slowpath_fmt+0x46/0x50
[    7.451297]  [<ffffffffc02ab525>] eb_lookup_vmas.isra.15+0x345/0x3e0 [i915]
[    7.451318]  [<ffffffffc02ac007>] i915_gem_do_execbuffer.isra.23+0x257/0x710
[i915]
[    7.451357]  [<ffffffff811ae3a2>] ? do_linear_fault.isra.61+0x42/0x80
[    7.451373]  [<ffffffff811ae4e6>] ? handle_pte_fault+0x76/0x1b0
[    7.451389]  [<ffffffff8119a91c>] ? vm_mmap_pgoff+0xbc/0xe0
[    7.451412]  [<ffffffffc02ad1d6>] i915_gem_execbuffer2+0xc6/0x2d0 [i915]
[    7.451431]  [<ffffffffc01dfe76>] drm_ioctl+0x2e6/0x590 [drm]
[    7.451451]  [<ffffffffc02ad110>] ? i915_gem_execbuffer+0x440/0x440 [i915]
[    7.451457]  [<ffffffff81208b25>] do_vfs_ioctl+0x75/0x320
[    7.451462]  [<ffffffff81212e95>] ? __fget_light+0x25/0x70
[    7.451466]  [<ffffffff81208e61>] SyS_ioctl+0x91/0xb0
[    7.451472]  [<ffffffff817d172d>] system_call_fastpath+0x16/0x1b
[    7.451481] ---[ end trace a21cde10316dcb26 ]---

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