[Bug 64431] [ivy bridge] intel_crtc_wait_for_pending_flips crash

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=64431

benssonrob at gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |benssonrob at gmail.com

--- Comment #16 from benssonrob at gmail.com ---
Hi,

I'm running 3.18 rc5 on Ubuntu 14.10 and also experieced this problem.

[461516.248789] WARNING: CPU: 0 PID: 1644 at
/home/apw/COD/linux/drivers/gpu/drm/i915/intel_display.c:3479
intel_crtc_wait_for_pending_flips+0x1a8/0x1c0 [i915]()
[461516.248794] Removing stuck page flip
[461516.248812] Modules linked in: mmc_block nfnetlink_queue nfnetlink_log
nfnetlink snd_usb_audio snd_usbmidi_lib msr xt_addrtype dm_thin_pool
dm_persistent_data dm_bio_prison dm_bufio libcrc32c ctr ccm xt_conntrack
ipt_REJECT nf_reject_ipv4 uvcvideo videobuf2_vmalloc videobuf2_memops
videobuf2_core v4l2_common videodev media btusb xt_CHECKSUM iptable_mangle
ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4
nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp nvram bridge stp llc
iptable_filter ip_tables x_tables dell_wmi sparse_keymap arc4 dell_laptop
dcdbas iwldvm mac80211 intel_rapl x86_pkg_temp_thermal intel_powerclamp
kvm_intel kvm joydev serio_raw iwlwifi cfg80211 lpc_ich mei_me mei 8250_fintek
dell_smo8800 dw_dmac dw_dmac_core snd_hda_codec_hdmi snd_soc_rt5640 8250_dw
snd_soc_rl6231
[461516.248990]  snd_soc_core snd_soc_sst_acpi snd_hda_codec_realtek i2c_hid
snd_hda_codec_generic hid snd_compress snd_pcm_dmaengine snd_hda_intel
intel_smartconnect snd_hda_controller snd_hda_codec snd_hwdep
i2c_designware_platform spi_pxa2xx_platform i2c_designware_core mac_hid snd_pcm
snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer
snd bnep soundcore rfcomm ie31200_edac shpchp edac_core bluetooth parport_pc
ppdev coretemp lp parport binfmt_misc nls_iso8859_1 dm_crypt crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul
glue_helper ablk_helper cryptd i915 psmouse ahci libahci i2c_algo_bit sdhci_pci
drm_kms_helper e1000e drm ptp pps_core wmi sdhci_acpi video sdhci
[461516.249156] CPU: 0 PID: 1644 Comm: Xorg Tainted: G        W     
3.18.0-031800rc5-generic #201411162035
[461516.249162] Hardware name: Dell Inc. Latitude E6440/0YX2X3, BIOS A05
02/18/2014
[461516.249167]  0000000000000d97 ffff8800d4fcfae8 ffffffff8279f8d5
0000000000000007
[461516.249192]  ffff8800d4fcfb38 ffff8800d4fcfb28 ffffffff8206eafc
ffff8800d4fcfb18
[461516.249201]  ffff8800d2e3e1a8 ffff88020ed61000 0000000000000296
ffff8800d2e3e000
[461516.249211] Call Trace:
[461516.249239]  [<ffffffff8279f8d5>] dump_stack+0x46/0x58
[461516.249251]  [<ffffffff8206eafc>] warn_slowpath_common+0x8c/0xc0
[461516.249262]  [<ffffffff8206ebe6>] warn_slowpath_fmt+0x46/0x50
[461516.249380]  [<ffffffffc03bd708>]
intel_crtc_wait_for_pending_flips+0x1a8/0x1c0 [i915]
[461516.249405]  [<ffffffff820aec10>] ? prepare_to_wait_event+0x100/0x100
[461516.249500]  [<ffffffffc03c14b4>] intel_crtc_disable_planes+0x34/0x150
[i915]
[461516.249592]  [<ffffffffc03c1b2d>] haswell_crtc_disable+0x5d/0x220 [i915]
[461516.249686]  [<ffffffffc03be817>] intel_crtc_control+0x57/0x130 [i915]
[461516.249789]  [<ffffffffc03be957>] intel_crtc_update_dpms+0x67/0x80 [i915]
[461516.249880]  [<ffffffffc03c4611>] intel_connector_dpms+0x61/0x70 [i915]
[461516.249943]  [<ffffffffc025ccb4>] drm_mode_connector_set_obj_prop+0xa4/0xb0
[drm]
[461516.250020]  [<ffffffffc02639e4>]
drm_mode_obj_set_property_ioctl+0x134/0x1d0 [drm]
[461516.250092]  [<ffffffffc0263ab0>]
drm_mode_connector_property_set_ioctl+0x30/0x40 [drm]
[461516.250144]  [<ffffffffc0253e46>] drm_ioctl+0x2e6/0x590 [drm]
[461516.250154]  [<ffffffff822604e3>] ? sysfs_notify+0x53/0xb0
[461516.250230]  [<ffffffffc0263a80>] ?
drm_mode_obj_set_property_ioctl+0x1d0/0x1d0 [drm]
[461516.250256]  [<ffffffff82412960>] ? brightness_store+0xe0/0x100
[461516.250267]  [<ffffffff8225f0db>] ? kernfs_fop_write+0x5b/0x170
[461516.250276]  [<ffffffff822274d4>] ? fsnotify+0x204/0x260
[461516.250301]  [<ffffffff821fc2c5>] do_vfs_ioctl+0x75/0x2c0
[461516.250310]  [<ffffffff821ea106>] ? vfs_write+0x196/0x1f0
[461516.250321]  [<ffffffff822068f5>] ? __fget_light+0x25/0x70
[461516.250345]  [<ffffffff821fc5a1>] SyS_ioctl+0x91/0xb0
[461516.250355]  [<ffffffff821fe6bb>] ? SyS_poll+0x6b/0x100
[461516.250365]  [<ffffffff827ad12d>] system_call_fastpath+0x16/0x1b
[461516.250385] ---[ end trace 7002fe106f21a4f6 ]---

My kernel is tainted though probably because of i915.lvds_downclock=1 and/or
drm.vblankoffdelay=1 on my cmdline. I'm not sure if that's enabled by default
on Haswell?

#cat /proc/sys/kernel/tainted
512

-- 
You are receiving this mail because:
You are on the CC list for the bug.