GPU driver crashes on Thinkpad Tablet 10

Sébastien Bourdeauducq sb at m-labs.hk
Mon Mar 30 07:53:41 PDT 2015 

Hi,

when you are looking for Linux bugs, the Baytrail-based Lenovo Thinkpad
Tablet 10 is the perfect choice. When you are looking for a
tablet/laptop, not so much and I am regularly annoyed, among many other
things, by GPU driver crashes that can be reproduced by switching from X
to a text VT (using Ctrl-Alt-Fx). The trace in the kernel messages is below.

Kernel 3.13 does not have the problem. 4.0.0-rc4 does.

Thanks for any help.

Best regards,
Sébastien


[  270.628890] ------------[ cut here ]------------
[  270.628947] WARNING: CPU: 3 PID: 1254 at
drivers/gpu/drm/i915/i915_gem.c:4285
i915_gem_object_unpin_fence+0x70/0x90 [i915]()
[  270.628950] WARN_ON(dev_priv->fence_regs[obj->fence_reg].pin_count <= 0)
[  270.628991] Modules linked in: hid_sensor_hub hid_multitouch wacom
snd_soc_sst_baytrail_pcm snd_soc_sst_dsp snd_soc_sst_byt_rt5670_mach
intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul dm_multipath
glue_helper ablk_helper scsi_dh cryptd bnep brcmfmac rfcomm bluetooth
brcmutil joydev cfg80211 snd_intel_sst_acpi snd_intel_sst_core
snd_soc_sst_mfld_platform snd_soc_rt5670 dw_dmac dw_dmac_core
snd_soc_rl6231 snd_soc_core snd_compress snd_seq_midi snd_pcm_dmaengine
snd_seq_midi_event snd_pcm i2c_hid snd_rawmidi snd_seq snd_seq_device
snd_timer snd acpi_pad binfmt_misc rfkill_gpio soundcore
i2c_designware_platform i2c_designware_core spi_pxa2xx_platform
snd_soc_sst_acpi lpc_ich 8250_dw mac_hid parport_pc ppdev lp parport
nls_iso8859_1 dm_mirror dm_region_hash dm_log mmc_block hid_generic i915
i2c_algo_bit usbhid drm_kms_helper hid drm wmi video sdhci_acpi sdhci
[  270.629008] CPU: 3 PID: 1254 Comm: Xorg Not tainted 4.0.0-rc4 #6
[  270.629009] Hardware name: LENOVO 20C3001VHH/20C3001VHH, BIOS
GWET25WW (1.25) 10/17/2014
[  270.629014]  ffffffffa0227598 ffff8800b52fb798 ffffffff8178961f
0000000024662466
[  270.629017]  ffff8800b52fb7e8 ffff8800b52fb7d8 ffffffff8107254a
ffff8800b52fb828
[  270.629020]  ffff8800357b3880 ffff880035520000 ffffffffa021bc80
ffff88003551c800
[  270.629022] Call Trace:
[  270.629033]  [<ffffffff8178961f>] dump_stack+0x45/0x57
[  270.629040]  [<ffffffff8107254a>] warn_slowpath_common+0x8a/0xc0
[  270.629046]  [<ffffffff810725c6>] warn_slowpath_fmt+0x46/0x50
[  270.629076]  [<ffffffffa018e380>]
i915_gem_object_unpin_fence+0x70/0x90 [i915]
[  270.629112]  [<ffffffffa01c9b55>] intel_unpin_fb_obj+0x25/0x50 [i915]
[  270.629146]  [<ffffffffa01d599d>] intel_cleanup_plane_fb+0x3d/0x80 [i915]
[  270.629160]  [<ffffffffa0118683>] drm_plane_helper_commit+0x1e3/0x2c0
[drm_kms_helper]
[  270.629173]  [<ffffffffa01187fa>] drm_plane_helper_update+0x9a/0xf0
[drm_kms_helper]
[  270.629207]  [<ffffffffa01d5339>] intel_crtc_set_config+0xc09/0xff0
[i915]
[  270.629234]  [<ffffffffa005b93f>]
drm_mode_set_config_internal+0x6f/0x110 [drm]
[  270.629246]  [<ffffffffa0120b38>] restore_fbdev_mode+0xc8/0xf0
[drm_kms_helper]
[  270.629260]  [<ffffffffa0122a59>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper]
[  270.629272]  [<ffffffffa0122ad2>] drm_fb_helper_set_par+0x22/0x50
[drm_kms_helper]
[  270.629306]  [<ffffffffa01e424a>] intel_fbdev_set_par+0x1a/0x60 [i915]
[  270.629312]  [<ffffffff81411d21>] fb_set_var+0x191/0x430
[  270.629317]  [<ffffffff8109c04d>] ? check_preempt_curr+0x8d/0xa0
[  270.629321]  [<ffffffff810a4088>] ? __enqueue_entity+0x78/0x80
[  270.629325]  [<ffffffff810ab421>] ? enqueue_entity+0x291/0xb90
[  270.629330]  [<ffffffff81408b41>] fbcon_blank+0x1d1/0x2d0
[  270.629336]  [<ffffffff814a0558>] do_unblank_screen+0xb8/0x1f0
[  270.629341]  [<ffffffff8149630e>] complete_change_console+0x5e/0xf0
[  270.629344]  [<ffffffff8149733c>] vt_ioctl+0xf9c/0x1180
[  270.629362]  [<ffffffffa0050979>] ? drm_ioctl+0x79/0x630 [drm]
[  270.629367]  [<ffffffff81225c66>] ? fsnotify+0x306/0x490
[  270.629372]  [<ffffffff81489aac>] tty_ioctl+0x1fc/0xc90
[  270.629377]  [<ffffffff811fa268>] do_vfs_ioctl+0x2f8/0x510
[  270.629382]  [<ffffffff811e8ed5>] ? __sb_end_write+0x35/0x70
[  270.629385]  [<ffffffff811e6982>] ? vfs_write+0x172/0x1f0
[  270.629389]  [<ffffffff811fa501>] SyS_ioctl+0x81/0xa0
[  270.629393]  [<ffffffff817911cd>] system_call_fastpath+0x16/0x1b
[  270.629396] ---[ end trace 688362ce4f74239c ]---
[  270.629428] ------------[ cut here ]------------
[  270.629430] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:4257!
[  270.629433] invalid opcode: 0000 [#1] SMP
[  270.629474] Modules linked in: hid_sensor_hub hid_multitouch wacom
snd_soc_sst_baytrail_pcm snd_soc_sst_dsp snd_soc_sst_byt_rt5670_mach
intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul dm_multipath
glue_helper ablk_helper scsi_dh cryptd bnep brcmfmac rfcomm bluetooth
brcmutil joydev cfg80211 snd_intel_sst_acpi snd_intel_sst_core
snd_soc_sst_mfld_platform snd_soc_rt5670 dw_dmac dw_dmac_core
snd_soc_rl6231 snd_soc_core snd_compress snd_seq_midi snd_pcm_dmaengine
snd_seq_midi_event snd_pcm i2c_hid snd_rawmidi snd_seq snd_seq_device
snd_timer snd acpi_pad binfmt_misc rfkill_gpio soundcore
i2c_designware_platform i2c_designware_core spi_pxa2xx_platform
snd_soc_sst_acpi lpc_ich 8250_dw mac_hid parport_pc ppdev lp parport
nls_iso8859_1 dm_mirror dm_region_hash dm_log mmc_block hid_generic i915
i2c_algo_bit usbhid drm_kms_helper hid drm wmi video sdhci_acpi sdhci
[  270.629487] CPU: 3 PID: 1254 Comm: Xorg Tainted: G        W
4.0.0-rc4 #6
[  270.629488] Hardware name: LENOVO 20C3001VHH/20C3001VHH, BIOS
GWET25WW (1.25) 10/17/2014
[  270.629490] task: ffff8800b7024b30 ti: ffff8800b52f8000 task.ti:
ffff8800b52f8000
[  270.629518] RIP: 0010:[<ffffffffa018e1c2>]  [<ffffffffa018e1c2>]
i915_gem_object_ggtt_unpin+0xc2/0xd0 [i915]
[  270.629520] RSP: 0018:ffff8800b52fb840  EFLAGS: 00010246
[  270.629521] RAX: ffff88003572fd00 RBX: ffff8800357b3880 RCX:
0000000000002504
[  270.629523] RDX: ffff88003572fd00 RSI: ffff8800357b3940 RDI:
ffff8800357b3880
[  270.629525] RBP: ffff8800b52fb840 R08: ffff880035527e70 R09:
0000000000000000
[  270.629526] R10: 00000000000312e8 R11: 0000000000000000 R12:
ffff8800354ba060
[  270.629527] R13: ffffffffa021bc80 R14: ffff88003551c800 R15:
0000000000000000
[  270.629530] FS:  00007f6504cdd9c0(0000) GS:ffff88013fd80000(0000)
knlGS:0000000000000000
[  270.629532] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  270.629533] CR2: 0000000001fdbc00 CR3: 00000000b7ee3000 CR4:
00000000001007e0
[  270.629534] Stack:
[  270.629538]  ffff8800b52fb858 ffffffffa018e1e2 ffff8800357b3880
ffff8800b52fb878
[  270.629541]  ffffffffa01c9b5d ffff8800b52fb878 ffff8800357b3880
ffff8800b52fb898
[  270.629544]  ffffffffa01d599d 0000000000000000 ffff8800350a4000
ffff8800b52fb8f8
[  270.629545] Call Trace:
[  270.629574]  [<ffffffffa018e1e2>]
i915_gem_object_unpin_from_display_plane+0x12/0x40 [i915]
[  270.629608]  [<ffffffffa01c9b5d>] intel_unpin_fb_obj+0x2d/0x50 [i915]
[  270.629642]  [<ffffffffa01d599d>] intel_cleanup_plane_fb+0x3d/0x80 [i915]
[  270.629654]  [<ffffffffa0118683>] drm_plane_helper_commit+0x1e3/0x2c0
[drm_kms_helper]
[  270.629666]  [<ffffffffa01187fa>] drm_plane_helper_update+0x9a/0xf0
[drm_kms_helper]
[  270.629700]  [<ffffffffa01d5339>] intel_crtc_set_config+0xc09/0xff0
[i915]
[  270.629722]  [<ffffffffa005b93f>]
drm_mode_set_config_internal+0x6f/0x110 [drm]
[  270.629735]  [<ffffffffa0120b38>] restore_fbdev_mode+0xc8/0xf0
[drm_kms_helper]
[  270.629748]  [<ffffffffa0122a59>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper]
[  270.629761]  [<ffffffffa0122ad2>] drm_fb_helper_set_par+0x22/0x50
[drm_kms_helper]
[  270.629795]  [<ffffffffa01e424a>] intel_fbdev_set_par+0x1a/0x60 [i915]
[  270.629799]  [<ffffffff81411d21>] fb_set_var+0x191/0x430
[  270.629803]  [<ffffffff8109c04d>] ? check_preempt_curr+0x8d/0xa0
[  270.629806]  [<ffffffff810a4088>] ? __enqueue_entity+0x78/0x80
[  270.629810]  [<ffffffff810ab421>] ? enqueue_entity+0x291/0xb90
[  270.629814]  [<ffffffff81408b41>] fbcon_blank+0x1d1/0x2d0
[  270.629818]  [<ffffffff814a0558>] do_unblank_screen+0xb8/0x1f0
[  270.629822]  [<ffffffff8149630e>] complete_change_console+0x5e/0xf0
[  270.629826]  [<ffffffff8149733c>] vt_ioctl+0xf9c/0x1180
[  270.629844]  [<ffffffffa0050979>] ? drm_ioctl+0x79/0x630 [drm]
[  270.629848]  [<ffffffff81225c66>] ? fsnotify+0x306/0x490
[  270.629852]  [<ffffffff81489aac>] tty_ioctl+0x1fc/0xc90
[  270.629856]  [<ffffffff811fa268>] do_vfs_ioctl+0x2f8/0x510
[  270.629860]  [<ffffffff811e8ed5>] ? __sb_end_write+0x35/0x70
[  270.629863]  [<ffffffff811e6982>] ? vfs_write+0x172/0x1f0
[  270.629867]  [<ffffffff811fa501>] SyS_ioctl+0x81/0xa0
[  270.629870]  [<ffffffff817911cd>] system_call_fastpath+0x16/0x1b
[  270.629904] Code: 20 20 74 dd 41 8d 41 0f 41 83 e1 f0 83 e0 0f 41 09
c1 84 c0 44 88 8a c0 00 00 00 75 07 80 a7 19 01 00 00 7f 5d c3 0f 1f 00
0f 0b <0f> 0b 0f 1f 40 00 0f 0b 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48
[  270.629931] RIP  [<ffffffffa018e1c2>]
i915_gem_object_ggtt_unpin+0xc2/0xd0 [i915]
[  270.629932]  RSP <ffff8800b52fb840>
[  270.629936] ---[ end trace 688362ce4f74239d ]---

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