[Bug 100127] New: [SNB][BAT] gem_exec_suspend at basic-s3 causes dmesg warning on CI

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100127

            Bug ID: 100127
           Summary: [SNB][BAT] gem_exec_suspend at basic-s3 causes dmesg
                    warning on CI
           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: jani.saarinen at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

On CI
https://intel-gfx-ci.01.org/CI/CI_DRM_2297/fi-snb-2600/igt@gem_exec_suspend@basic-s3.html

Dmesg: https://intel-gfx-ci.01.org/CI/CI_DRM_2297/fi-snb-2600/dmesg-during.log

Dmesg   
[  213.345640] Suspending console(s) (use no_console_suspend to debug)
[  213.346261] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[  213.346305] sd 0:0:0:0: [sda] Stopping disk
[  213.347099] ------------[ cut here ]------------
[  213.347103] WARNING: CPU: 0 PID: 8461 at lib/list_debug.c:47
__list_del_entry_valid+0x5f/0xc0
[  213.347104] list_del corruption, ffffea00048cfe20->next is LIST_POISON1
(dead000000000100)
[  213.347105] Modules linked in: asix usbnet mii snd_hda_codec_hdmi
x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_realtek coretemp
snd_hda_codec_generic crct10dif_pclmul crc32_pclmul snd_hda_intel
ghash_clmulni_intel snd_hda_codec snd_hwdep snd_hda_core mei_me snd_pcm mei
lpc_ich i915 prime_numbers
[  213.347118] CPU: 0 PID: 8461 Comm: kworker/u16:16 Tainted: G    B          
4.11.0-rc1-CI-CI_DRM_2297+ #1
[  213.347119] Hardware name: Dell Inc. XPS 8300  /0Y2MRG, BIOS A06 10/17/2011
[  213.347122] Workqueue: events_unbound async_run_entry_fn
[  213.347123] Call Trace:
[  213.347126]  dump_stack+0x67/0x92
[  213.347128]  __warn+0xc6/0xe0
[  213.347130]  warn_slowpath_fmt+0x4a/0x50
[  213.347132]  __list_del_entry_valid+0x5f/0xc0
[  213.347134]  remove_full.isra.7.part.8+0x1b/0x80
[  213.347136]  __slab_free+0x477/0x4f0
[  213.347139]  ? _raw_spin_unlock_irqrestore+0x3d/0x60
[  213.347140]  ? free_object+0x77/0xa0
[  213.347141]  ? debug_check_no_obj_freed+0x178/0x220
[  213.347146]  ? mei_cl_bus_dev_release+0x44/0x50 [mei]
[  213.347148]  kfree+0x266/0x2e0
[  213.347151]  mei_cl_bus_dev_release+0x44/0x50 [mei]
[  213.347154]  device_release+0x2d/0x90
[  213.347155]  kobject_put+0xae/0x1b0
[  213.347157]  put_device+0x12/0x20
[  213.347159]  mei_cl_bus_remove_device+0x7e/0xb0 [mei]
[  213.347162]  mei_cl_bus_remove_devices+0x35/0x60 [mei]
[  213.347164]  mei_stop+0x1e/0x80 [mei]
[  213.347166]  mei_me_pci_suspend+0x2c/0x80 [mei_me]
[  213.347168]  pci_pm_suspend+0x71/0x140
[  213.347170]  dpm_run_callback+0x6f/0x330
[  213.347171]  ? pci_pm_freeze+0xe0/0xe0
[  213.347172]  __device_suspend+0xea/0x330
[  213.347174]  async_suspend+0x1a/0x90
[  213.347175]  async_run_entry_fn+0x34/0x160
[  213.347178]  process_one_work+0x1f4/0x6d0
[  213.347179]  ? process_one_work+0x16e/0x6d0
[  213.347181]  worker_thread+0x49/0x4a0
[  213.347183]  kthread+0x107/0x140
[  213.347184]  ? process_one_work+0x6d0/0x6d0
[  213.347185]  ? kthread_create_on_node+0x40/0x40
[  213.347187]  ret_from_fork+0x2e/0x40
[  213.347189] ---[ end trace aced570d97bd3c11 ]---
[  213.493765] Broke affinity for irq 16
[  213.501706] Broke affinity for irq 16
[  213.501712] Broke affinity for irq 25
[  213.518669] Broke affinity for irq 16
[  213.518673] Broke affinity for irq 23
[  213.518675] Broke affinity for irq 25
[  213.534609] Broke affinity for irq 8
[  213.534617] Broke affinity for irq 16
[  213.534621] Broke affinity for irq 23
[  213.534623] Broke affinity for irq 24
[  213.534624] Broke affinity for irq 25
[  213.540175]  cache: parent cpu1 should not be sleeping
[  213.544136]  cache: parent cpu2 should not be sleeping
[  213.548168]  cache: parent cpu3 should not be sleeping
[  213.552324]  cache: parent cpu4 should not be sleeping
[  213.556510]  cache: parent cpu5 should not be sleeping
[  213.560549]  cache: parent cpu6 should not be sleeping
[  213.564688]  cache: parent cpu7 should not be sleeping
[  213.592246] hpet1: lost 5538 rtc interrupts
[  213.593394] sd 0:0:0:0: [sda] Starting disk

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