[Bug 93223] New: gpu hang from AA in valley demo

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93223

            Bug ID: 93223
           Summary: gpu hang from AA in valley demo
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: edward.ocallaghan at koparo.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 120298
  --> https://bugs.freedesktop.org/attachment.cgi?id=120298&action=edit
/sys/class/drm/card0/error

Hi,

[210312.019592] [drm] stuck on render ring
[210312.020688] [drm] GPU HANG: ecode 8:0:0x85dffffb, in valley_x64 [18217],
reason: Ring hung, action: reset
[210312.020690] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[210312.020691] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[210312.020692] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[210312.020693] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[210312.020693] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[210312.026635] drm/i915: Resetting chip after gpu hang
[210318.022591] [drm] stuck on render ring
[210318.023893] [drm] GPU HANG: ecode 8:0:0x85dffffb, in valley_x64 [18217],
reason: Ring hung, action: reset
[210318.024258] ------------[ cut here ]------------
[210318.024285] WARNING: CPU: 0 PID: 18202 at
drivers/gpu/drm/i915/intel_display.c:11004
intel_mmio_flip_work_func+0x3b2/0x3c0 [i915]()
[210318.024286] WARN_ON(__i915_wait_request(mmio_flip->req,
mmio_flip->crtc->reset_counter, false, NULL, &mmio_flip->i915->rps.mmioflips))
[210318.024287] Modules linked in:
[210318.024289]  tun nf_conntrack_netbios_ns nf_conntrack_broadcast
ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat
ebtable_broute ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6
nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security
ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4
nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw iptable_security
uinput ccm rfcomm cmac bridge stp llc bnep arc4 intel_rapl iosf_mbi
x86_pkg_temp_thermal coretemp iwlmvm kvm_intel snd_hda_codec_realtek iTCO_wdt
snd_hda_codec_generic iTCO_vendor_support mac80211 snd_hda_codec_hdmi kvm
snd_hda_intel iwlwifi snd_hda_codec cfg80211 snd_hda_core snd_hwdep snd_seq
btusb btrtl btbcm btintel bluetooth snd_seq_device joydev snd_pcm rtsx_pci_ms
memstick i2c_i801
[210318.024321]  lpc_ich thinkpad_acpi shpchp snd_timer wmi tpm_tis snd mei_me
tpm rfkill mei soundcore nfsd auth_rpcgss nfs_acl lockd grace sunrpc btrfs xor
raid6_pq dm_crypt i915 rtsx_pci_sdmmc mmc_core crct10dif_pclmul crc32_pclmul
crc32c_intel i2c_algo_bit drm_kms_helper e1000e drm serio_raw ptp pps_core
rtsx_pci video [last unloaded: iptable_security]
[210318.024342] CPU: 0 PID: 18202 Comm: kworker/0:0 Tainted: G        W      
4.2.6-301.fc23.x86_64 #1
[210318.024343] Hardware name: LENOVO 20BV0020AU/20BV0020AU, BIOS JBET54WW
(1.19 ) 11/06/2015
[210318.024358] Workqueue: events intel_mmio_flip_work_func [i915]
[210318.024360]  0000000000000000 00000000504b9ef2 ffff8800501d7cd8
ffffffff817729ea
[210318.024362]  0000000000000000 ffff8800501d7d30 ffff8800501d7d18
ffffffff8109e4b6
[210318.024364]  ffff8800501d7ce8 ffff8800865ca0c0 ffff88023dc15fc0
ffff88023dc1aa00
[210318.024366] Call Trace:
[210318.024371]  [<ffffffff817729ea>] dump_stack+0x45/0x57
[210318.024374]  [<ffffffff8109e4b6>] warn_slowpath_common+0x86/0xc0
[210318.024376]  [<ffffffff8109e545>] warn_slowpath_fmt+0x55/0x70
[210318.024389]  [<ffffffffa01cb9c2>] intel_mmio_flip_work_func+0x3b2/0x3c0
[i915]
[210318.024392]  [<ffffffff810b650e>] process_one_work+0x19e/0x3f0
[210318.024394]  [<ffffffff810b67ae>] worker_thread+0x4e/0x450
[210318.024396]  [<ffffffff810b6760>] ? process_one_work+0x3f0/0x3f0
[210318.024398]  [<ffffffff810b6760>] ? process_one_work+0x3f0/0x3f0
[210318.024400]  [<ffffffff810bc8b8>] kthread+0xd8/0xf0
[210318.024402]  [<ffffffff810bc7e0>] ? kthread_worker_fn+0x160/0x160
[210318.024405]  [<ffffffff817797df>] ret_from_fork+0x3f/0x70
[210318.024406]  [<ffffffff810bc7e0>] ? kthread_worker_fn+0x160/0x160
[210318.024408] ---[ end trace 297f97f08b241564 ]---
[210318.025589] drm/i915: Resetting chip after gpu hang


$ uname -r
4.2.6-301.fc23.x86_64

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