[Bug 99024] New: [SNB] WARNING: CPU: 0 PID: 1334 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_display.c:3906 intel_atomic_commit+0x559/0x560 [i915]

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Dec 8 09:07:35 UTC 2016 

https://bugs.freedesktop.org/show_bug.cgi?id=99024

            Bug ID: 99024
           Summary: [SNB] WARNING: CPU: 0 PID: 1334 at
                    /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_disp
                    lay.c:3906 intel_atomic_commit+0x559/0x560 [i915]
           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: L.Bonnaud at laposte.net
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Hi,

here is a GPU hang I got with this configuration:
 - CPU/GPU : Core i7-2640M
 - system : Ubuntu 16.10
 - kernel: linux-image-4.8.12-040812-generic (Ubuntu mainline kernel)

This kind of event is quite rare therefore I cannot reproduce it at will on a
drm-intel-nightly kernel.

However I will try to provide as much information as possible...

[231716.438851] ------------[ cut here ]------------
[231716.438881] WARNING: CPU: 0 PID: 1334 at
/home/kernel/COD/linux/drivers/gpu/drm/i915/intel_display.c:3906
intel_atomic_commit+0x559/0x560 [i915]
[231716.438882] Removing stuck page flip
[231716.438905] Modules linked in: ccm ses enclosure scsi_transport_sas ufs
qnx4 hfsplus hfs minix ntfs msdos libcrc32c cpuid uas usb_storage nls_iso8859_1
mmc_block rfcomm cmac bnep dm_crypt dell_wmi sparse_keymap dell_rbtn
dell_laptop dell_smbios dcdbas dell_smm_hwmon binfmt_misc intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm snd_hda_codec_hdmi
irqbypass btusb crct10dif_pclmul crc32_pclmul snd_hda_codec_idt
snd_hda_codec_generic ghash_clmulni_intel btrtl btbcm snd_hda_intel aesni_intel
btintel snd_hda_codec bluetooth snd_hda_core snd_hwdep snd_pcm aes_x86_64 lrw
glue_helper ablk_helper cryptd snd_seq_midi snd_seq_midi_event snd_rawmidi
intel_cstate intel_rapl_perf arc4 joydev input_leds serio_raw iwlmvm snd_seq
mac80211 snd_seq_device snd_timer iwlwifi lpc_ich snd cfg80211
[231716.438917]  soundcore shpchp mac_hid dell_smo8800 mei_me mei tpm_rng
parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs xor raid6_pq
hid_generic usbhid hid i915 i2c_algo_bit psmouse drm_kms_helper syscopyarea
sysfillrect ahci sysimgblt libahci firewire_ohci sdhci_pci sdhci firewire_core
crc_itu_t wmi fb_sys_fops drm e1000e ptp fjes video pps_core [last unloaded:
jfs]
[231716.438919] CPU: 0 PID: 1334 Comm: Xorg Not tainted 4.8.12-040812-generic
#201612020431
[231716.438919] Hardware name: Dell Inc. Latitude E6520/0NVF5K, BIOS A19
11/14/2013
[231716.438922]  0000000000000086 000000008f1c6b0f ffffa2e41cd8f878
ffffffffb3e12e02
[231716.438923]  ffffa2e41cd8f8c8 0000000000000000 ffffa2e41cd8f8b8
ffffffffb3a82d9b
[231716.438924]  00000f421cd8f898 0000000000000000 ffffa2e41ac26000
ffffa2e423708000
[231716.438924] Call Trace:
[231716.438927]  [<ffffffffb3e12e02>] dump_stack+0x63/0x81
[231716.438929]  [<ffffffffb3a82d9b>] __warn+0xcb/0xf0
[231716.438931]  [<ffffffffb3a82e1f>] warn_slowpath_fmt+0x5f/0x80
[231716.438932]  [<ffffffffb3ac6845>] ? finish_wait+0x55/0x70
[231716.438946]  [<ffffffffc051e039>] intel_atomic_commit+0x559/0x560 [i915]
[231716.438947]  [<ffffffffb3ac6cf0>] ? wake_atomic_t_function+0x60/0x60
[231716.438960]  [<ffffffffc036fc17>] drm_atomic_commit+0x37/0x60 [drm]
[231716.438968]  [<ffffffffc043fe3c>] restore_fbdev_mode+0x14c/0x270
[drm_kms_helper]
[231716.438972]  [<ffffffffc0441ab4>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x34/0x80 [drm_kms_helper]
[231716.438975]  [<ffffffffc0441b2d>] drm_fb_helper_set_par+0x2d/0x50
[drm_kms_helper]
[231716.438990]  [<ffffffffc0537cea>] intel_fbdev_set_par+0x1a/0x60 [i915]
[231716.438992]  [<ffffffffb3e9e325>] ? fb_set_var+0x2f5/0x460
[231716.438993]  [<ffffffffb3e9e266>] fb_set_var+0x236/0x460
[231716.438994]  [<ffffffffb3ab7826>] ? update_curr+0x66/0x170
[231716.438995]  [<ffffffffb3ab4ccc>] ? __enqueue_entity+0x6c/0x70
[231716.438996]  [<ffffffffb3abbba8>] ? enqueue_entity+0x2e8/0x8b0
[231716.438997]  [<ffffffffb3e9420f>] fbcon_blank+0x30f/0x350
[231716.438998]  [<ffffffffb3aad9bf>] ? ttwu_do_activate+0x6f/0x80
[231716.439000]  [<ffffffffb3f2d8d2>] do_unblank_screen+0xd2/0x1a0
[231716.439001]  [<ffffffffb3f22fa9>] complete_change_console+0x59/0xe0
[231716.439003]  [<ffffffffb3f23739>] vt_ioctl+0x709/0x12b0
[231716.439008]  [<ffffffffc034f55a>] ? drm_dropmaster_ioctl+0x4a/0x70 [drm]
[231716.439014]  [<ffffffffc0354dd6>] ? drm_ioctl+0x236/0x4f0 [drm]
[231716.439017]  [<ffffffffb3f17793>] tty_ioctl+0x363/0xc70
[231716.439019]  [<ffffffffb3bda936>] ? handle_mm_fault+0x8a6/0x13c0
[231716.439021]  [<ffffffffb3c46603>] do_vfs_ioctl+0xa3/0x600
[231716.439022]  [<ffffffffb3a6b3a3>] ? __do_page_fault+0x203/0x4d0
[231716.439023]  [<ffffffffb3c46bd9>] SyS_ioctl+0x79/0x90
[231716.439025]  [<ffffffffb42832b6>] entry_SYSCALL_64_fastpath+0x1e/0xa8
[231716.439026] ---[ end trace 5a1628be00cd83d9 ]---

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