[Bug 94742] New: GPU Hang: ring hung

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94742

            Bug ID: 94742
           Summary: GPU Hang: ring hung
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: axelfischer12 at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 122614
  --> https://bugs.freedesktop.org/attachment.cgi?id=122614&action=edit
GPU crash dump

Using chromium on Linux (4.5.0 with Gentoo patches) resulted in a GPU hang
(dump is also attached):

[13852.964077] [drm] GPU HANG: ecode 7:0:0x85dffff8, in chrome [5762], reason:
Ring hung, action: reset
[13852.964078] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[13852.964079] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[13852.964080] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[13852.964081] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[13852.964081] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[13852.964090] ------------[ cut here ]------------
[13852.964098] WARNING: CPU: 0 PID: 4183 at
drivers/gpu/drm/i915/intel_display.c:11438
intel_mmio_flip_work_func+0x426/0x460()
[13852.964100] WARN_ON(__i915_wait_request(mmio_flip->req,
mmio_flip->crtc->reset_counter, false, NULL, &mmio_flip->i915->rps.mmioflips))
[13852.964101] Modules linked in:
[13852.964103]  drbg ansi_cprng ctr ccm vboxnetflt(OE) vboxnetadp(OE)
vboxdrv(OE) btusb btrtl btbcm btintel bluetooth arc4 iwldvm mac80211
x86_pkg_temp_thermal coretemp kvm_intel kvm iwlwifi irqbypass iTCO_wdt
iTCO_vendor_support crc32c_intel ghash_clmulni_intel cfg80211 cryptd snd_pcsp
serio_raw i2c_i801 lpc_ich rfkill mfd_core uvcvideo wmi videobuf2_vmalloc
videobuf2_memops videobuf2_v4l2 videobuf2_core videodev efivarfs dm_zero
dm_thin_pool dm_persistent_data dm_bio_prison dm_service_time dm_round_robin
dm_queue_length dm_multipath dm_log_userspace dm_flakey dm_delay xts gf128mul
cbc sha256_generic iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi vmxnet3
virtio_net virtio_ring virtio tg3 ptp pps_core libphy bnx2 fuse xfs nfs lockd
grace sunrpc fscache jfs reiserfs ext4 jbd2 ext2 mbcache linear
[13852.964157]  raid10 raid1 raid0 dm_raid raid456 async_raid6_recov
async_memcpy libcrc32c async_pq async_xor async_tx dm_snapshot dm_bufio
dm_crypt dm_mirror dm_region_hash dm_log dm_mod firewire_core crc_itu_t
sl811_hcd xhci_pci xhci_hcd usb_storage aic94xx libsas lpfc qla2xxx
megaraid_sas megaraid_mbox megaraid_mm aacraid sx8 hpsa cciss 3w_9xxx 3w_xxxx
3w_sas mptsas scsi_transport_sas mptfc scsi_transport_fc mptspi mptscsih
mptbase imm parport sym53c8xx initio arcmsr aic7xxx aic79xx scsi_transport_spi
sr_mod cdrom sg sd_mod pdc_adma sata_inic162x sata_mv ata_piix ahci libahci
sata_qstor sata_vsc sata_uli sata_sis sata_sx4 sata_nv sata_via sata_svw
sata_sil24 sata_sil sata_promise pata_via pata_jmicron pata_marvell pata_sis
pata_netcell pata_pdc202xx_old pata_atiixp pata_amd pata_ali pata_it8213
[13852.964202]  pata_pcmcia pata_serverworks pata_oldpiix pata_artop
pata_it821x pata_hpt3x2n pata_hpt3x3 pata_hpt37x pata_hpt366 pata_cmd64x
pata_sil680 pata_pdc2027x
[13852.964210] CPU: 0 PID: 4183 Comm: kworker/0:0 Tainted: G           OE  
4.5.0-gentoo #1
[13852.964212] Hardware name: Hewlett-Packard HP ENVY TS 15 Notebook PC/1963,
BIOS F.56 04/23/2014
[13852.964215] Workqueue: events intel_mmio_flip_work_func
[13852.964217]  0000000000000000 ffff88030f763d28 ffffffff8135d2c2
ffff88030f763d70
[13852.964219]  ffffffff81d36eb0 ffff88030f763d60 ffffffff8105c2c2
ffff8803749b5cc0
[13852.964221]  ffff88045f214c80 ffff880444c50700 ffff8803749b5cc8
ffff8803749b5cc0
[13852.964223] Call Trace:
[13852.964227]  [<ffffffff8135d2c2>] dump_stack+0x67/0x95
[13852.964230]  [<ffffffff8105c2c2>] warn_slowpath_common+0x82/0xc0
[13852.964232]  [<ffffffff8105c34c>] warn_slowpath_fmt+0x4c/0x50
[13852.964234]  [<ffffffff815151d6>] intel_mmio_flip_work_func+0x426/0x460
[13852.964237]  [<ffffffff81072aba>] process_one_work+0x14a/0x3d0
[13852.964238]  [<ffffffff81072d8e>] worker_thread+0x4e/0x480
[13852.964240]  [<ffffffff81072d40>] ? process_one_work+0x3d0/0x3d0
[13852.964241]  [<ffffffff81072d40>] ? process_one_work+0x3d0/0x3d0
[13852.964244]  [<ffffffff81078779>] kthread+0xc9/0xe0
[13852.964246]  [<ffffffff810786b0>] ? kthread_worker_fn+0x170/0x170
[13852.964250]  [<ffffffff81801ebf>] ret_from_fork+0x3f/0x70
[13852.964251]  [<ffffffff810786b0>] ? kthread_worker_fn+0x170/0x170
[13852.964253] ---[ end trace 2297b545f9748889 ]---
[13852.966176] drm/i915: Resetting chip after gpu hang

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