[Bug 96322] crash after kernel v4.6.0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96322

yann <yann.argotti at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      i915 features|GPU hang                    |display/watermark

--- Comment #1 from yann <yann.argotti at intel.com> ---
we can find following backtrace 

[ 4948.443966] ------------[ cut here ]------------
[ 4948.444088] WARNING: CPU: 3 PID: 1312 at ../drivers/gpu/drm/drm_irq.c:1326
drm_wait_one_vblank+0x17c/0x190 [drm]
[ 4948.444099] vblank wait timed out on crtc 1
[ 4948.444108] Modules linked in: fuse bnep bluetooth nf_log_ipv6 xt_pkttype
af_packet nf_log_ipv4 nf_log_common xt_LOG xt_limit ip6t_REJECT nf_reject_ipv6
xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT
nf_reject_ipv4 iptable_raw xt_CT iptable_filter ip6table_mangle
nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4
ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables
nls_iso8859_1 nls_cp437 vfat fat snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic intel_rapl arc4 snd_hda_intel ath9k ath9k_common ath9k_hw
ath mac80211 snd_intel_sst_acpi snd_intel_sst_core snd_soc_sst_mfld_platform
snd_soc_sst_match snd_hda_codec snd_soc_core snd_hda_core intel_powerclamp
r8169 uvcvideo snd_hwdep snd_compress coretemp videobuf2_vmalloc
[ 4948.444377]  cfg80211 snd_pcm fjes videobuf2_memops videobuf2_v4l2
videobuf2_core mei_txe asus_nb_wmi asus_wmi pwm_lpss_platform iTCO_wdt
int3403_thermal processor_thermal_device joydev sparse_keymap snd_timer rfkill
snd kvm_intel tpm_crb kvm irqbypass int3400_thermal mii acpi_thermal_rel
serio_raw pcspkr videodev mei pwm_lpss iTCO_vendor_support intel_soc_dts_iosf
int340x_thermal_zone tpm_tis rtsx_pci_ms memstick crct10dif_pclmul lpc_ich
soundcore crc32_pclmul crc32c_intel tpm wmi asus_wireless shpchp thermal
ghash_clmulni_intel aesni_intel i2c_designware_platform i2c_designware_core
i2c_i801 pinctrl_cherryview aes_x86_64 lrw gf128mul glue_helper battery
ablk_helper ac fan cryptd efivarfs rtsx_pci_sdmmc rtsx_pci mfd_core sr_mod
cdrom i915 i2c_algo_bit xhci_pci drm_kms_helper xhci_hcd syscopyarea
[ 4948.444677]  sysfillrect sysimgblt fb_sys_fops usbcore usb_common drm video
sdhci_acpi sdhci mmc_core button sg
[ 4948.444740] CPU: 3 PID: 1312 Comm: X Tainted: G     U         
4.6.0-4.g2a4d959-default #1
[ 4948.444750] Hardware name: ASUSTeK COMPUTER INC. X751SA/X751SA, BIOS
X751SA.205 08/28/2015
[ 4948.444763]  0000000000000000 ffffffff813859b3 ffff88007885fb38
0000000000000000
[ 4948.444783]  ffffffff8107aefe ffff880179190000 ffff88007885fb88
0000000000000000
[ 4948.444801]  0000000000048532 ffff880078b63cc0 ffff880178684a80
ffffffff8107af6f
[ 4948.444819] Call Trace:
[ 4948.444882]  [<ffffffff8102ef1e>] dump_trace+0x5e/0x340
[ 4948.444912]  [<ffffffff8102f30c>] show_stack_log_lvl+0x10c/0x180
[ 4948.444939]  [<ffffffff81030001>] show_stack+0x21/0x40
[ 4948.444965]  [<ffffffff813859b3>] dump_stack+0x5c/0x79
[ 4948.444992]  [<ffffffff8107aefe>] __warn+0xbe/0xe0
[ 4948.445023]  [<ffffffff8107af6f>] warn_slowpath_fmt+0x4f/0x60
[ 4948.445122]  [<ffffffffa00a241c>] drm_wait_one_vblank+0x17c/0x190 [drm]
[ 4948.445327]  [<ffffffffa024b6ce>] intel_pre_disable_primary+0x4e/0x80 [i915]
[ 4948.445508]  [<ffffffffa024b806>] intel_pre_plane_update+0x106/0x120 [i915]
[ 4948.445695]  [<ffffffffa024c164>] intel_atomic_commit+0x3b4/0xc90 [i915]
[ 4948.445764]  [<ffffffffa01a30d8>]
drm_atomic_helper_connector_dpms+0xe8/0x190 [drm_kms_helper]
[ 4948.445877]  [<ffffffffa00af897>]
drm_mode_obj_set_property_ioctl+0x217/0x220 [drm]
[ 4948.445995]  [<ffffffffa00af8ce>]
drm_mode_connector_property_set_ioctl+0x2e/0x40 [drm]
[ 4948.446088]  [<ffffffffa00a06b1>] drm_ioctl+0x131/0x4c0 [drm]
[ 4948.446119]  [<ffffffff81217e8d>] do_vfs_ioctl+0x8d/0x5a0
[ 4948.446147]  [<ffffffff81218414>] SyS_ioctl+0x74/0x80
[ 4948.446175]  [<ffffffff81003bf9>] do_syscall_64+0x59/0xb0
[ 4948.446207]  [<ffffffff816ac125>] entry_SYSCALL64_slow_path+0x25/0x25
[ 4948.462873] DWARF2 unwinder stuck at return_from_SYSCALL_64+0x0/0x6a

[ 4948.462889] Leftover inexact backtrace:

[ 4948.463011] ---[ end trace 302d923b8ad8db71 ]---

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