[Bug 87550] New: Upon certain browser videos screen blacks out. Ctrl-Alt-Backspace twice doesn't help

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Dec 21 04:27:14 PST 2014 

https://bugs.freedesktop.org/show_bug.cgi?id=87550

            Bug ID: 87550
           Summary: Upon certain browser videos screen blacks out.
                    Ctrl-Alt-Backspace twice doesn't help
           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: wolf.duttlinger at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

When I play certain videos in the Chrome browser all a sudden the screen goes
blank. Neither Ctrl-Alt-Backspace (twice) nor Ctrl-Alt-Delete work. I have to
hard reset.

Here is output from /var/log/message
Dec 21 12:45:38 otherworld kernel: [drm] stuck on render ring
Dec 21 12:45:38 otherworld kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Dec 21 12:45:38 otherworld kernel: [drm] GPU hangs can indicate a bug anywhere
in the entire gfx stack, including userspace.
Dec 21 12:45:38 otherworld kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Dec 21 12:45:38 otherworld kernel: [drm] drm/i915 developers can then reassign
to the right component if it's not a kernel issue.
Dec 21 12:45:38 otherworld kernel: [drm] The gpu crash dump is required to
analyze gpu hangs, so please always attach it.
Dec 21 12:45:39 otherworld kernel: [drm:i915_reset] *ERROR* Failed to reset
chip: -110
Dec 21 12:45:39 otherworld kernel: [drm] GMBUS [i915 gmbus vga] timed out,
falling back to bit banging on pin 2
Dec 21 12:46:00 otherworld bluetoothd[764]: Endpoint unregistered:
sender=:1.102 path=/MediaEndpoint/A2DPSource
Dec 21 12:46:00 otherworld bluetoothd[764]: Endpoint unregistered:
sender=:1.102 path=/MediaEndpoint/A2DPSink
Dec 21 12:45:59 otherworld kernel: ------------[ cut here ]------------
Dec 21 12:45:59 otherworld kernel: WARNING: CPU: 1 PID: 22057 at
drivers/gpu/drm/i915/intel_display.c:928 assert_pll+0x68/0x70 [i915]()
Dec 21 12:45:59 otherworld kernel: PLL state assertion failure (expected on,
current off)
Dec 21 12:45:59 otherworld kernel: Modules linked in: uvcvideo
videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_usb_audio media
snd_usbmidi_lib snd_rawmidi snd_seq_device bridge stp llc xt_CHECKSUM
ipt_rpfilter xt_statistic xt_CT xt_LOG xt_connlimit xt_realm xt_addrtype
ip_set_hash_ip xt_comment xt_recent xt_nat ipt_ULOG ipt_REJECT ipt_MASQUERADE
ipt_ECN ipt_CLUSTERIP ipt_ah xt_set ip_set nf_nat_tftp nf_nat_snmp_basic
nf_conntrack_snmp nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat_irc
nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp nf_conntrack_amanda
nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip nf_conntrack_proto_udplite
nf_conntrack_proto_sctp nf_conntrack_pptp nf_conntrack_proto_gre
nf_conntrack_netlink nf_conntrack_netbios_ns nf_conntrack_broadcast
nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp xt_TPROXY nf_defrag_ipv6
xt_time xt_TCPMSS xt_tcpmss xt_sctp xt_policy xt_pkttype xt_physdev xt_owner
xt_NFQUEUE xt_NFLOG nfnetlink_log xt_multiport xt_mark xt_mac xt_limit
xt_length xt_iprange xt_helper xt_hashlimit xt_DSCP xt_dscp xt_dccp
xt_conntrack xt_connmark xt_CLASSIFY xt_AUDIT xt_tcpudp xt_state iptable_raw
iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack
iptable_mangle nfnetlink iptable_filter ip_tables x_tables rfcomm ctr ccm
af_packet vboxnetadp(O) vboxnetflt(O) vboxdrv(O) bnep snd_hda_codec_analog
snd_hda_codec_generic iTCO_wdt iTCO_vendor_support ppdev joydev coretemp
kvm_intel arc4 kvm iwl4965 iwlegacy mac80211 microcode serio_raw btusb
bluetooth i2c_i801 cfg80211 lpc_ich snd_hda_intel snd_hda_codec snd_hwdep
6lowpan_iphc snd_pcm e1000e thinkpad_acpi shpchp snd_timer ptp thermal pps_core
snd soundcore rfkill battery ac parport_pc parport tpm_tis tpm cpufreq_ondemand
cpufreq_conservative cpufreq_powersave acpi_cpufreq processor hdaps
input_polldev mmc_block sdhci_pci sdhci mmc_core nvram evdev loop ipv6 autofs4
ehci_pci ehci_hcd pcmcia uhci_hcd usbcore ide_pci_generic piix ide_core
firewire_ohci yenta_socket firewire_core pcmcia_rsrc pcmcia_core ata_generic
pata_acpi crc
Dec 21 12:46:00 otherworld kernel: _itu_t usb_common i915 video button
i2c_algo_bit drm_kms_helper drm i2c_core ata_piix
Dec 21 12:45:59 otherworld kernel: CPU: 1 PID: 22057 Comm: X Tainted: G        
  O 3.14.24-desktop-1.mga4 #1
Dec 21 12:45:59 otherworld kernel: Hardware name: LENOVO 767374G/767374G, BIOS
7NETB9WW (2.19 ) 11/27/2008
Dec 21 12:45:59 otherworld kernel:  0000000000000009 ffff8800ba735958
ffffffff81633d8c ffff8800ba7359a0
Dec 21 12:45:59 otherworld kernel:  ffff8800ba735990 ffffffff81065dad
0000000000000001 ffff8800ba3d2000
Dec 21 12:45:59 otherworld kernel:  ffff880136bcc000 0000000000000000
0000000000000000 ffff8800ba7359f0
Dec 21 12:45:59 otherworld kernel: Call Trace:
Dec 21 12:45:59 otherworld kernel:  [<ffffffff81633d8c>] dump_stack+0x45/0x56
Dec 21 12:45:59 otherworld kernel:  [<ffffffff81065dad>]
warn_slowpath_common+0x7d/0xa0
Dec 21 12:45:59 otherworld kernel:  [<ffffffff81065e1c>]
warn_slowpath_fmt+0x4c/0x50
Dec 21 12:45:59 otherworld kernel:  [<ffffffffa00ff9ec>] ?
gen4_read32+0x3c/0xb0 [i915]
Dec 21 12:45:59 otherworld kernel:  [<ffffffffa00c1748>] assert_pll+0x68/0x70
[i915]
Dec 21 12:45:59 otherworld kernel:  [<ffffffffa00c6cff>]
intel_crtc_load_lut+0x16f/0x1d0 [i915]
Dec 21 12:45:59 otherworld kernel:  [<ffffffff81639522>] ? mutex_lock+0x12/0x2f
Dec 21 12:45:59 otherworld kernel:  [<ffffffffa0089383>]
drm_fb_helper_setcmap+0x373/0x450 [drm_kms_helper]
Dec 21 12:45:59 otherworld kernel:  [<ffffffff813f05ba>] fb_set_cmap+0x6a/0x140
Dec 21 12:45:59 otherworld kernel:  [<ffffffff813f7e8c>]
fbcon_set_palette+0x13c/0x170
Dec 21 12:45:59 otherworld kernel:  [<ffffffff813fb7a2>]
fbcon_switch+0x3b2/0x550
Dec 21 12:45:59 otherworld kernel:  [<ffffffff81463dd9>]
redraw_screen+0x189/0x240
Dec 21 12:45:59 otherworld kernel:  [<ffffffff813f8b6a>]
fbcon_blank+0x20a/0x2d0
Dec 21 12:45:59 otherworld kernel:  [<ffffffff814648f4>]
do_unblank_screen+0xb4/0x1e0
Dec 21 12:45:59 otherworld kernel:  [<ffffffff8145b9b3>] vt_ioctl+0x10c3/0x1140
Dec 21 12:45:59 otherworld kernel:  [<ffffffff8155e0bf>] ?
sock_destroy_inode+0x2f/0x40
Dec 21 12:45:59 otherworld kernel:  [<ffffffff8144f45d>] tty_ioctl+0x26d/0xb60
Dec 21 12:45:59 otherworld kernel:  [<ffffffff811ab108>]
do_vfs_ioctl+0x2d8/0x4b0
Dec 21 12:45:59 otherworld kernel:  [<ffffffff811ab361>] SyS_ioctl+0x81/0xa0
Dec 21 12:45:59 otherworld kernel:  [<ffffffff816438bd>]
system_call_fastpath+0x1a/0x1f
Dec 21 12:45:59 otherworld kernel: ---[ end trace 8846edd19d4bc313 ]---
Dec 21 12:45:59 otherworld kernel: ------------[ cut here ]------------
Dec 21 12:45:59 otherworld kernel: WARNING: CPU: 1 PID: 22057 at
drivers/gpu/drm/i915/intel_display.c:928 assert_pll+0x68/0x70 [i915]()
Dec 21 12:45:59 otherworld kernel: PLL state assertion failure (expected on,
current off)
:
:
:
which is repeated several times ( 5 - 6 times) within the same second.

File /sys/class/drm/card0/error mentioned above is of size 0 after re-boot.

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