[Bug 82207] New: [HSW] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:4111 (i915_gem_object_unpin_from_display_plane+0x12/0x40)
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Aug 5 11:36:26 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=82207
Priority: medium
Bug ID: 82207
CC: intel-gfx-bugs at lists.freedesktop.org
Assignee: intel-gfx-bugs at lists.freedesktop.org
Summary: [HSW] kernel BUG at
drivers/gpu/drm/i915/i915_gem.c:4111
(i915_gem_object_unpin_from_display_plane+0x12/0x40)
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: thilo at ginkel.com
Hardware: x86-64 (AMD64)
Status: NEW
Version: XOrg CVS
Component: DRM/Intel
Product: DRI
My Lenovo ThinkPad T440p is docked to a Lenovo ThinkPad Ultra Dock (40A20135EU,
firmware 2.17) with two external monitors attached via DVI / DisplayPort. The
current (as of 2014-08-04) DP MST patches are in place.
When logging out from my X session a kernel bug is logged and all displays
(internal and external) remain dark:
[ 196.902353] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:4111!
[ 196.902373] invalid opcode: 0000 [#1] SMP
[ 196.902387] Modules linked in: ctr ccm pci_stub vboxpci(O) vboxnetadp(O)
vboxnetflt(O) vboxdrv(O) rfcomm bnep arc4 snd_usb_audio snd_usbmidi_lib
nls_iso8859_1 nls_cp437 vfat fat x86_pkg_temp_thermal intel_powerclamp corete
mp cdc_ncm cdc_wdm cdc_acm usbnet mii kvm_intel kvm microcode btusb iwlmvm
bluetooth snd_hda_codec_realtek joydev snd_hda_codec_hdmi snd_hda_codec_generic
mac80211 serio_raw iwlwifi snd_hda_intel snd_hda_controller snd_hda_co
dec snd_hwdep cfg80211 lpc_ich snd_pcm snd_seq_midi snd_seq_mid
i_event snd_rawmidi thinkpad_acpi nvram snd_seq tpm_tis snd_seq_device
snd_timer snd wmi soundcore parport_pc ppdev lp parport hid_generic dm_crypt
hid_logitech_dj usbhid hid ghash_clmulni_intel aesni_intel aes_x86_64 psmouse
i915 ahci libahci i2c_algo_bit drm_kms_helper e1000e ptp pps_core drm xhci_hcd
video
[ 196.902653] CPU: 0 PID: 6173 Comm: Xorg Tainted: G W O
3.16.0-rc6-tg+ #8
[ 196.902676] Hardware name: LENOVO 20ANCTO1WW/20ANCTO1WW, BIOS GLET70WW (2.24
) 05/21/2014
[ 196.902701] task: ffff8803e26ec9b0 ti: ffff8804361a8000 task.ti:
ffff8804361a8000
[ 196.902724] RIP: 0010:[<ffffffffc0396634>] [<ffffffffc0396634>]
i915_gem_object_ggtt_unpin+0x94/0xa0 [i915]
[ 196.902770] RSP: 0018:ffff8804361abc10 EFLAGS: 00010246
[ 196.902786] RAX: ffff8804328a5180 RBX: ffff880432ec1500 RCX:
ffff880432ea7b28
[ 196.902808] RDX: ffff8804328a51e8 RSI: ffff8804328a5180 RDI:
0000000000000000
[ 196.902829] RBP: ffff8804361abc18 R08: ffffffffc0424060 R09:
0000000000000000
[ 196.902851] R10: 0000000000002ef9 R11: 0000000000000006 R12:
ffff8804369f1840
[ 196.902872] R13: ffff880437a25060 R14: ffff8804328a5240 R15:
ffff8800a5ac7000
[ 196.902893] FS: 00007f78690f79c0(0000) GS:ffff88044e200000(0000)
knlGS:0000000000000000
[ 196.902917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 196.902935] CR2: 00007f96dd3a2ea4 CR3: 0000000433464000 CR4:
00000000001407f0
[ 196.902956] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 196.902977] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 196.902999] Stack:
[ 196.903006] ffff880432ec1500 ffff8804361abc30 ffffffffc0397212
ffff880432ec1500
[ 196.903030] ffff8804361abc48 ffffffffc03c18c9 ffff880437a25000
ffff8804361abca8
[ 196.903054] ffffffffc03cae49 00000100c03c22e1 ffff880432ec1500
ffff88042cddbb80
[ 196.903078] Call Trace:
[ 196.903097] [<ffffffffc0397212>]
i915_gem_object_unpin_from_display_plane+0x12/0x40 [i915]
[ 196.903134] [<ffffffffc03c18c9>] intel_unpin_fb_obj+0x29/0x40 [i915]
[ 196.903165] [<ffffffffc03cae49>] intel_pipe_set_base+0x199/0x3d0 [i915]
[ 196.903195] [<ffffffffc03cdded>] intel_crtc_set_config+0x9bd/0xe60 [i915]
[ 196.903227] [<ffffffffc02ac284>] drm_mode_set_config_internal+0x64/0xf0
[drm]
[ 196.903258] [<ffffffffc02b0ab9>] drm_mode_setcrtc+0xd9/0x590 [drm]
[ 196.903282] [<ffffffffc02a094c>] drm_ioctl+0x1ec/0x660 [drm]
[ 196.903304] [<ffffffff821ceec8>] do_vfs_ioctl+0x2d8/0x4b0
[ 196.903322] [<ffffffff821beb41>] ? __sb_end_write+0x31/0x60
[ 196.903341] [<ffffffff821bc762>] ? vfs_write+0x172/0x1f0
[ 196.903358] [<ffffffff821cf121>] SyS_ioctl+0x81/0xa0
[ 196.903375] [<ffffffff826b6bd2>] system_call_fastpath+0x16/0x1b
[ 196.903394] Code: 8d 57 0f 83 e7 f0 83 e2 0f 09 d7 84 d2 40 88 b8 a8 00 00
00 75 07 80 a3 09 01 00 00 7f 5b 5d c3 0f 1f 80 00 00 00 00 0f 0b 0f 0b <0f> 0b
66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5
[ 196.903480] RIP [<ffffffffc0396634>] i915_gem_object_ggtt_unpin+0x94/0xa0
[i915]
[ 196.903504] RSP <ffff8804361abc10>
System environment:
-- chipset: QM87
-- system architecture: x86_64
-- xf86-video-intel/xserver/mesa/libdrm version:
- xf86-video-intel: 2.99.914 (git commit
f36b7a4aac86f5874c32d8f516ac1f00a6c8d8b3)
- xserver: 1.15.1
- mesa: 10.1.3
- libdrm: 2.4.52
-- kernel version: 3.16.0-rc6-tg+ (built from drm-next-nightly @ 2014-08-04)
-- Linux distribution: Kubuntu 14.04
-- Machine or mobo model: Lenovo ThinkPad T440p 20AN
-- Display connector: DVI, DisplayPort
3) Reproduce steps.
Log on to X. Work around bug from bug #82153. Log out. The screens remain dark
instead of KDM showing up.
Please let me know if you need any further details or if I can help testing any
experimental patches.
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