[Bug 102426] New: WARNING: CPU: 1 PID: 1630 at drivers/gpu/drm/i915/intel_uncore.c:224 __gen6_gt_wait_for_fifo+0xb5/0xc0 [i915]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102426

            Bug ID: 102426
           Summary: WARNING: CPU: 1 PID: 1630 at
                    drivers/gpu/drm/i915/intel_uncore.c:224
                    __gen6_gt_wait_for_fifo+0xb5/0xc0 [i915]
           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: samuel.rakitnican at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 133811
  --> https://bugs.freedesktop.org/attachment.cgi?id=133811&action=edit
Full log from journalctl at the time it happens

Happens when user is logged in and using the DE.

Kernel: 4.11.4-1.el7.elrepo.x86_64
OS: CentOS 7
CPU: i3-2100


Aug 25 16:25:16 hostname kernel: WARNING: CPU: 1 PID: 1630 at
drivers/gpu/drm/i915/intel_uncore.c:224 __gen6_gt_wait_for_fifo+0xb5/0xc0
[i915]
Aug 25 16:25:16 hostname kernel: WARN_ON(loop < 0 && fifo <= 20)
Aug 25 16:25:16 hostname kernel: Modules linked in: nls_utf8 isofs fuse usblp
rpcsec_gss_krb5 xt_set xt_multiport xt_CHECKSUM ipt_MASQUERADE
nf_nat_masquerade_ipv4 tun ip_set_hash_ip nf_conntrack_netbios_ns
nf_conntrack_broadcast ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT
nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute
ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle
ip6table_security ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4
nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_mangle iptable_security
iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter
dm_mirror dm_region_hash dm_log dm_mod vfat fat rc_hauppauge ir_kbd_i2c
x86_pkg_temp_thermal intel_powerclamp tuner_simple tuner_types coretemp
kvm_intel kvm irqbypass tuner
Aug 25 16:25:16 hostname kernel:  crct10dif_pclmul crc32_pclmul tda7432 tvaudio
ghash_clmulni_intel cryptd snd_hda_codec_hdmi intel_cstate msp3400 iTCO_wdt
ppdev iTCO_vendor_support snd_hda_codec_realtek snd_hda_codec_generic
snd_hda_intel intel_rapl_perf snd_hda_codec snd_hda_core snd_bt87x snd_hwdep
snd_seq snd_seq_device bttv snd_pcm tea575x tveeprom videobuf_dma_sg
videobuf_core pcspkr v4l2_common snd_timer input_leds videodev i2c_i801
parport_pc nuvoton_cir sg mei_me snd parport soundcore rc_core mei shpchp
lpc_ich mfd_core nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4
jbd2 mbcache sr_mod cdrom sd_mod i915 ahci libahci video i2c_algo_bit serio_raw
drm_kms_helper syscopyarea sysfillrect r8169 sysimgblt fb_sys_fops libata mii
crc32c_intel drm floppy
Aug 25 16:25:16 hostname kernel: CPU: 1 PID: 1630 Comm: Xorg Not tainted
4.11.4-1.el7.elrepo.x86_64 #1
Aug 25 16:25:16 hostname kernel: Hardware name: To Be Filled By O.E.M. To Be
Filled By O.E.M./H67M, BIOS P1.40 02/18/2011
Aug 25 16:25:16 hostname kernel: Call Trace:
Aug 25 16:25:16 hostname kernel:  dump_stack+0x63/0x87
Aug 25 16:25:16 hostname kernel:  __warn+0xd1/0xf0
Aug 25 16:25:16 hostname kernel:  warn_slowpath_fmt+0x5f/0x80
Aug 25 16:25:16 hostname kernel:  __gen6_gt_wait_for_fifo+0xb5/0xc0 [i915]
Aug 25 16:25:16 hostname kernel:  gen6_write32+0x129/0x180 [i915]
Aug 25 16:25:16 hostname kernel:  gen6_irq_disable+0x33/0x50 [i915]
Aug 25 16:25:16 hostname kernel:  irq_disable+0x25/0x40 [i915]
Aug 25 16:25:16 hostname kernel:  __intel_breadcrumbs_disable_irq+0x3f/0x50
[i915]
Aug 25 16:25:16 hostname kernel:  intel_engine_remove_wait+0x1a5/0x1b0 [i915]
Aug 25 16:25:16 hostname kernel:  i915_wait_request+0x1ab/0x450 [i915]
Aug 25 16:25:16 hostname kernel:  ? remove_wait_queue+0x60/0x60
Aug 25 16:25:16 hostname kernel:  i915_gem_object_wait_fence+0x7b/0x170 [i915]
Aug 25 16:25:16 hostname kernel:  i915_gem_object_wait_reservation+0x169/0x1d0
[i915]
Aug 25 16:25:16 hostname kernel:  i915_gem_set_domain_ioctl+0xa3/0x230 [i915]
Aug 25 16:25:16 hostname kernel:  drm_ioctl+0x2b7/0x4c0 [drm]
Aug 25 16:25:16 hostname kernel:  ? __set_task_blocked+0x3c/0xa0
Aug 25 16:25:16 hostname kernel:  ?
i915_gem_obj_prepare_shmem_write+0x1c0/0x1c0 [i915]
Aug 25 16:25:16 hostname kernel:  ? do_signal+0x198/0x6a0
Aug 25 16:25:16 hostname kernel:  do_vfs_ioctl+0xa7/0x5f0
Aug 25 16:25:16 hostname kernel:  ?
trace_event_raw_event_signal_deliver+0xeb/0x100
Aug 25 16:25:16 hostname kernel:  SyS_ioctl+0x79/0x90
Aug 25 16:25:16 hostname kernel:  do_syscall_64+0x67/0x180
Aug 25 16:25:16 hostname kernel:  entry_SYSCALL64_slow_path+0x25/0x25
Aug 25 16:25:16 hostname kernel: RIP: 0033:0x7fc69f67f537
Aug 25 16:25:16 hostname kernel: RSP: 002b:00007ffd1f760608 EFLAGS: 00003246
ORIG_RAX: 0000000000000010
Aug 25 16:25:16 hostname kernel: RAX: ffffffffffffffda RBX: 00007fc6a1b5f700
RCX: 00007fc69f67f537
Aug 25 16:25:16 hostname kernel: RDX: 00007ffd1f760640 RSI: 00000000400c645f
RDI: 0000000000000009
Aug 25 16:25:16 hostname kernel: RBP: 00007ffd1f760640 R08: 000000000000000c
R09: 00000000ffffffff
Aug 25 16:25:16 hostname kernel: R10: 0000000000000000 R11: 0000000000003246
R12: 00000000400c645f
Aug 25 16:25:16 hostname kernel: R13: 0000000000000009 R14: 0000563feb6b41a0
R15: 0000563feb6b04c0


See also: bug #54226

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