[Bug 110937] New: [CI][DRMTIP] igt at gem_persistent_relocs@forked-(interruptible-)?faulting-reloc-thrash-inactive - incomplete - list_del corruption

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110937

            Bug ID: 110937
           Summary: [CI][DRMTIP]
                    igt at gem_persistent_relocs@forked-(interruptible-)?faul
                    ting-reloc-thrash-inactive - incomplete - list_del
                    corruption
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: lakshminarayana.vudum at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_310/fi-hsw-peppy/igt@gem_persistent_relocs@forked-interruptible-faulting-reloc-thrash-inactive.html

<6> [28.627596] Console: switching to colour dummy device 80x25
<6> [28.627716] [IGT] gem_persistent_relocs: executing
<6> [28.666769] [IGT] gem_persistent_relocs: starting subtest
forked-interruptible-faulting-reloc-thrash-inactive
<5> [28.711581] Setting dangerous option prefault_disable - tainting kernel
<5> [28.717996] Setting dangerous option prefault_disable - tainting kernel
<4> [31.135533] ------------[ cut here ]------------
<4> [31.135920] list_del corruption, ffff90da25aaa1b0->next is LIST_POISON1
(dead000000000100)
<4> [31.135964] WARNING: CPU: 0 PID: 901 at lib/list_debug.c:47
__list_del_entry_valid+0x4e/0x90
<4> [31.135969] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal
coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel i915 lpc_ich
snd_hda_codec_realtek snd_hda_codec_generic cdc_ether snd_hda_intel usbnet
snd_hda_codec r8152 snd_hwdep mii snd_hda_core snd_pcm mei_me mei prime_numbers
btusb btrtl btbcm btintel bluetooth ecdh_generic ecc
<4> [31.136024] CPU: 0 PID: 901 Comm: gem_persistent_ Tainted: G     U         
  5.2.0-rc4-g39e3d39be374-drmtip_310+ #1
<4> [31.136029] Hardware name: GOOGLE Peppy/Peppy, BIOS MrChromebox 02/04/2018
<4> [31.136038] RIP: 0010:__list_del_entry_valid+0x4e/0x90
<4> [31.136049] Code: 2e 48 8b 32 48 39 fe 75 3a 48 8b 50 08 48 39 f2 75 48 b8
01 00 00 00 c3 48 89 fe 48 89 c2 48 c7 c7 b8 32 0a ab e8 f2 af bd ff <0f> 0b 31
c0 c3 48 89 fe 48 c7 c7 f0 32 0a ab e8 de af bd ff 0f 0b
<4> [31.136056] RSP: 0018:ffffb0bf80cb7c98 EFLAGS: 00010082

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