Acabei de atualizar um laptop para o Ubuntu 16.04, e agora vejo o seguinte problema. Em momentos aleatórios (mas quando alguma atividade gráfica está acontecendo, como abrir uma janela), a tela fica distorcida e o computador congela. A única coisa que se pode fazer é desligá-lo com força; que obviamente perde qualquer entrada de log do kernel que possa ter havido.
O que é que eu posso fazer sobre isto? O dmesg (após uma inicialização) lista alguns rastros de pilha ameaçadores relacionados a gráficos:
[ 2.220658] [drm] initialized overlay support
[ 2.220751] [drm] Initialized i915 1.6.0 20151010 for 0000:00:02.0 on minor 0
[ 2.240350] ------------[ cut here ]------------
[ 2.240439] WARNING: CPU: 0 PID: 82 at /build/linux-Ay7j_C/linux-4.4.0/drivers/gpu/drm/i915/intel_display.c:1215
5 intel_atomic_check+0x2fd/0x6b0 [i915]()
[ 2.240443] WARN_ON(!connector_state->crtc)
[ 2.240446] Modules linked in:
[ 2.240449] ahci psmouse i915 firewire_ohci libahci b44 i2c_algo_bit pata_acpi drm_kms_helper ssb syscopyarea m
ii sysfillrect firewire_core sysimgblt fb_sys_fops crc_itu_t drm wmi fjes video
[ 2.240477] CPU: 0 PID: 82 Comm: kworker/u4:3 Not tainted 4.4.0-21-generic #37-Ubuntu
[ 2.240481] Hardware name: Hewlett-Packard HP Compaq nx7300 (RU460EA#ABH)/30A2, BIOS 68YGU Ver. F.0C 07/25/2007
[ 2.240489] Workqueue: events_unbound async_run_entry_fn
[ 2.240492] 0000000000000286 000000003c6593a8 ffff880035ae39a0 ffffffff813e93c3
[ 2.240498] ffff880035ae39e8 ffffffffc0215a50 ffff880035ae39d8 ffffffff81080f62
[ 2.240503] ffff880034e08800 ffff880034e0a800 ffff880034e08800 0000000000000000
[ 2.240508] Call Trace:
[ 2.240516] [<ffffffff813e93c3>] dump_stack+0x63/0x90
[ 2.240522] [<ffffffff81080f62>] warn_slowpath_common+0x82/0xc0
[ 2.240526] [<ffffffff81080ffc>] warn_slowpath_fmt+0x5c/0x80
[ 2.240569] [<ffffffffc0045f9d>] ? drm_atomic_add_affected_planes+0x7d/0xd0 [drm]
[ 2.240628] [<ffffffffc01b356d>] intel_atomic_check+0x2fd/0x6b0 [i915]
[ 2.240657] [<ffffffffc004680e>] drm_atomic_check_only+0x18e/0x590 [drm]
[ 2.240686] [<ffffffffc0046cfd>] ? drm_atomic_set_fb_for_plane+0x2d/0x90 [drm]
[ 2.240715] [<ffffffffc0046c27>] drm_atomic_commit+0x17/0x60 [drm]
[ 2.240773] [<ffffffffc01b71e5>] intel_get_load_detect_pipe+0x3d5/0x530 [i915]
[ 2.240833] [<ffffffffc01f08ed>] intel_tv_detect+0x13d/0x5f0 [i915]
[ 2.240861] [<ffffffffc00412de>] ? drm_get_edid+0x3e/0x3f0 [drm]
[ 2.240884] [<ffffffffc00d9da5>] drm_helper_probe_single_connector_modes_merge_bits+0x235/0x4d0 [drm_kms_helper]
[ 2.240896] [<ffffffffc00da053>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
[ 2.240910] [<ffffffffc00e691e>] drm_fb_helper_initial_config+0xae/0x420 [drm_kms_helper]
[ 2.240967] [<ffffffffc01c74bb>] intel_fbdev_initial_config+0x1b/0x20 [i915]
[ 2.240972] [<ffffffff810a2f28>] async_run_entry_fn+0x48/0x150
[ 2.240977] [<ffffffff81099ff2>] process_one_work+0x162/0x480
[ 2.240981] [<ffffffff8109a35b>] worker_thread+0x4b/0x4c0
[ 2.240986] [<ffffffff8109a310>] ? process_one_work+0x480/0x480
[ 2.240990] [<ffffffff810a0528>] kthread+0xd8/0xf0
[ 2.240994] [<ffffffff810a0450>] ? kthread_create_on_node+0x1e0/0x1e0
[ 2.241000] [<ffffffff8182488f>] ret_from_fork+0x3f/0x70
[ 2.241004] [<ffffffff810a0450>] ? kthread_create_on_node+0x1e0/0x1e0
[ 2.241008] ---[ end trace 9c3f9641e06cab07 ]---
[ 2.241013] ------------[ cut here ]------------
[ 2.241072] WARNING: CPU: 0 PID: 82 at /build/linux-Ay7j_C/linux-4.4.0/drivers/gpu/drm/i915/intel_display.c:11693 intel_plane_atomic_calc_changes+0x567/0x6c0 [i915]()
[ 2.241075] WARN_ON(was_visible)
[ 2.241077] Modules linked in:
[ 2.241079] ahci psmouse i915 firewire_ohci libahci b44 i2c_algo_bit pata_acpi drm_kms_helper ssb syscopyarea mii sysfillrect firewire_core sysimgblt fb_sys_fops crc_itu_t drm wmi fjes video
[ 2.241103] CPU: 0 PID: 82 Comm: kworker/u4:3 Tainted: G W 4.4.0-21-generic #37-Ubuntu
[ 2.241106] Hardware name: Hewlett-Packard HP Compaq nx7300 (RU460EA#ABH)/30A2, BIOS 68YGU Ver. F.0C 07/25/2007
[ 2.241111] Workqueue: events_unbound async_run_entry_fn
[ 2.241114] 0000000000000286 000000003c6593a8 ffff880035ae3888 ffffffff813e93c3
[ 2.241119] ffff880035ae38d0 ffffffffc0215a50 ffff880035ae38c0 ffffffff81080f62
[ 2.241124] 0000000000000001 ffff8800356ed000 ffff880034da9540 ffff88003545f800
[ 2.241129] Call Trace:
[ 2.241133] [<ffffffff813e93c3>] dump_stack+0x63/0x90
[ 2.241137] [<ffffffff81080f62>] warn_slowpath_common+0x82/0xc0
[ 2.241141] [<ffffffff81080ffc>] warn_slowpath_fmt+0x5c/0x80
[ 2.241199] [<ffffffffc01b8e87>] intel_plane_atomic_calc_changes+0x567/0x6c0 [i915]
[ 2.241211] [<ffffffffc00da33b>] ? drm_plane_helper_check_update+0xdb/0x190 [drm_kms_helper]
[ 2.241268] [<ffffffffc01991d0>] intel_plane_atomic_check+0x140/0x1f0 [i915]
[ 2.241281] [<ffffffffc00e1a68>] drm_atomic_helper_check_planes+0x48/0x1c0 [drm_kms_helper]
[ 2.241339] [<ffffffffc01b3400>] intel_atomic_check+0x190/0x6b0 [i915]
[ 2.241367] [<ffffffffc004680e>] drm_atomic_check_only+0x18e/0x590 [drm]
[ 2.241396] [<ffffffffc0046cfd>] ? drm_atomic_set_fb_for_plane+0x2d/0x90 [drm]
[ 2.241425] [<ffffffffc0046c27>] drm_atomic_commit+0x17/0x60 [drm]
[ 2.241482] [<ffffffffc01b71e5>] intel_get_load_detect_pipe+0x3d5/0x530 [i915]
[ 2.241542] [<ffffffffc01f08ed>] intel_tv_detect+0x13d/0x5f0 [i915]
[ 2.241571] [<ffffffffc00412de>] ? drm_get_edid+0x3e/0x3f0 [drm]
[ 2.241583] [<ffffffffc00d9da5>] drm_helper_probe_single_connector_modes_merge_bits+0x235/0x4d0 [drm_kms_helper]
[ 2.241595] [<ffffffffc00da053>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
[ 2.241608] [<ffffffffc00e691e>] drm_fb_helper_initial_config+0xae/0x420 [drm_kms_helper]
[ 2.241666] [<ffffffffc01c74bb>] intel_fbdev_initial_config+0x1b/0x20 [i915]
[ 2.241671] [<ffffffff810a2f28>] async_run_entry_fn+0x48/0x150
[ 2.241675] [<ffffffff81099ff2>] process_one_work+0x162/0x480
[ 2.241679] [<ffffffff8109a35b>] worker_thread+0x4b/0x4c0
[ 2.241683] [<ffffffff8109a310>] ? process_one_work+0x480/0x480
[ 2.241687] [<ffffffff810a0528>] kthread+0xd8/0xf0
[ 2.241691] [<ffffffff810a0450>] ? kthread_create_on_node+0x1e0/0x1e0
[ 2.241695] [<ffffffff8182488f>] ret_from_fork+0x3f/0x70
[ 2.241699] [<ffffffff810a0450>] ? kthread_create_on_node+0x1e0/0x1e0
[ 2.241702] ---[ end trace 9c3f9641e06cab08 ]---
[ 2.352069] ------------[ cut here ]------------
[ 2.352171] WARNING: CPU: 0 PID: 82 at /build/linux-Ay7j_C/linux-4.4.0/drivers/gpu/drm/i915/intel_display.c:12732 intel_modeset_check_state+0x563/0x8a0 [i915]()
[ 2.352176] encoder's enabled state mismatch (expected 0, found 1)
[ 2.352179] Modules linked in: ahci psmouse i915 firewire_ohci libahci b44 i2c_algo_bit pata_acpi drm_kms_helper ssb syscopyarea mii sysfillrect firewire_core sysimgblt fb_sys_fops crc_itu_t drm wmi fjes video
[ 2.352221] CPU: 0 PID: 82 Comm: kworker/u4:3 Tainted: G W 4.4.0-21-generic #37-Ubuntu
[ 2.352225] Hardware name: Hewlett-Packard HP Compaq nx7300 (RU460EA#ABH)/30A2, BIOS 68YGU Ver. F.0C 07/25/2007
[ 2.352235] Workqueue: events_unbound async_run_entry_fn
[ 2.352240] 0000000000000286 000000003c6593a8 ffff880035ae3960 ffffffff813e93c3
[ 2.352248] ffff880035ae39a8 ffffffffc0215a50 ffff880035ae3998 ffffffff81080f62
[ 2.352254] ffff880034e08b18 ffff880035589600 ffff880034e08b48 ffff880034e08b30
[ 2.352261] Call Trace:
[ 2.352272] [<ffffffff813e93c3>] dump_stack+0x63/0x90
[ 2.352279] [<ffffffff81080f62>] warn_slowpath_common+0x82/0xc0
[ 2.352285] [<ffffffff81080ffc>] warn_slowpath_fmt+0x5c/0x80
[ 2.352347] [<ffffffffc01ef9f7>] ? intel_tv_get_hw_state+0x27/0x50 [i915]
[ 2.352394] [<ffffffffc01a6433>] intel_modeset_check_state+0x563/0x8a0 [i915]
[ 2.352440] [<ffffffffc01b1bcb>] intel_atomic_commit+0x4bb/0x6f0 [i915]
[ 2.352472] [<ffffffffc0046c47>] drm_atomic_commit+0x37/0x60 [drm]
[ 2.352518] [<ffffffffc01b71e5>] intel_get_load_detect_pipe+0x3d5/0x530 [i915]
[ 2.352566] [<ffffffffc01f08ed>] intel_tv_detect+0x13d/0x5f0 [i915]
[ 2.352589] [<ffffffffc00412de>] ? drm_get_edid+0x3e/0x3f0 [drm]
[ 2.352606] [<ffffffffc00d9da5>] drm_helper_probe_single_connector_modes_merge_bits+0x235/0x4d0 [drm_kms_helper]
[ 2.352615] [<ffffffffc00da053>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
[ 2.352626] [<ffffffffc00e691e>] drm_fb_helper_initial_config+0xae/0x420 [drm_kms_helper]
[ 2.352672] [<ffffffffc01c74bb>] intel_fbdev_initial_config+0x1b/0x20 [i915]
[ 2.352676] [<ffffffff810a2f28>] async_run_entry_fn+0x48/0x150
[ 2.352680] [<ffffffff81099ff2>] process_one_work+0x162/0x480
[ 2.352683] [<ffffffff8109a35b>] worker_thread+0x4b/0x4c0
[ 2.352687] [<ffffffff8109a310>] ? process_one_work+0x480/0x480
[ 2.352690] [<ffffffff810a0528>] kthread+0xd8/0xf0
[ 2.352693] [<ffffffff810a0450>] ? kthread_create_on_node+0x1e0/0x1e0
[ 2.352698] [<ffffffff8182488f>] ret_from_fork+0x3f/0x70
[ 2.352701] [<ffffffff810a0450>] ? kthread_create_on_node+0x1e0/0x1e0
[ 2.352704] ---[ end trace 9c3f9641e06cab09 ]---
[ 2.380278] firewire_core 0000:02:06.1: created device fw0: GUID 00023f9929c9140e, S400
[ 2.424067] ------------[ cut here ]------------
[ 2.424151] WARNING: CPU: 0 PID: 82 at /build/linux-Ay7j_C/linux-4.4.0/drivers/gpu/drm/i915/intel_display.c:12155 intel_atomic_check+0x2fd/0x6b0 [i915]()
[ 2.424156] WARN_ON(!connector_state->crtc)
[ 2.424159] Modules linked in:
[ 2.424163] ahci psmouse i915 firewire_ohci libahci b44 i2c_algo_bit pata_acpi drm_kms_helper ssb syscopyarea mii sysfillrect firewire_core sysimgblt fb_sys_fops crc_itu_t drm wmi fjes video
[ 2.424196] CPU: 0 PID: 82 Comm: kworker/u4:3 Tainted: G W 4.4.0-21-generic #37-Ubuntu
[ 2.424201] Hardware name: Hewlett-Packard HP Compaq nx7300 (RU460EA#ABH)/30A2, BIOS 68YGU Ver. F.0C 07/25/2007
[ 2.424208] Workqueue: events_unbound async_run_entry_fn
[ 2.424213] 0000000000000286 000000003c6593a8 ffff880035ae39e8 ffffffff813e93c3
[ 2.424220] ffff880035ae3a30 ffffffffc0215a50 ffff880035ae3a20 ffffffff81080f62
[ 2.424227] ffff880034e08800 ffff880034e0a800 ffff880034e08800 0000000000000000
[ 2.424234] Call Trace:
[ 2.424241] [<ffffffff813e93c3>] dump_stack+0x63/0x90
[ 2.424248] [<ffffffff81080f62>] warn_slowpath_common+0x82/0xc0
[ 2.424253] [<ffffffff81080ffc>] warn_slowpath_fmt+0x5c/0x80
[ 2.424261] [<ffffffff811eebf4>] ? __kmalloc_track_caller+0x1b4/0x250
[ 2.424330] [<ffffffffc01b356d>] intel_atomic_check+0x2fd/0x6b0 [i915]
[ 2.424356] [<ffffffffc004680e>] drm_atomic_check_only+0x18e/0x590 [drm]
[ 2.424380] [<ffffffffc0046cf0>] ? drm_atomic_set_fb_for_plane+0x20/0x90 [drm]
[ 2.424402] [<ffffffffc0046c27>] drm_atomic_commit+0x17/0x60 [drm]
[ 2.424449] [<ffffffffc01b7460>] intel_release_load_detect_pipe+0x120/0x160 [i915]
[ 2.424497] [<ffffffffc01f0aeb>] intel_tv_detect+0x33b/0x5f0 [i915]
[ 2.424508] [<ffffffffc00d9da5>] drm_helper_probe_single_connector_modes_merge_bits+0x235/0x4d0 [drm_kms_helper]
[ 2.424517] [<ffffffffc00da053>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
[ 2.424528] [<ffffffffc00e691e>] drm_fb_helper_initial_config+0xae/0x420 [drm_kms_helper]
[ 2.424575] [<ffffffffc01c74bb>] intel_fbdev_initial_config+0x1b/0x20 [i915]
[ 2.424578] [<ffffffff810a2f28>] async_run_entry_fn+0x48/0x150
[ 2.424582] [<ffffffff81099ff2>] process_one_work+0x162/0x480
[ 2.424585] [<ffffffff8109a35b>] worker_thread+0x4b/0x4c0
[ 2.424588] [<ffffffff8109a310>] ? process_one_work+0x480/0x480
[ 2.424591] [<ffffffff810a0528>] kthread+0xd8/0xf0
[ 2.424595] [<ffffffff810a0450>] ? kthread_create_on_node+0x1e0/0x1e0
[ 2.424599] [<ffffffff8182488f>] ret_from_fork+0x3f/0x70
[ 2.424602] [<ffffffff810a0450>] ? kthread_create_on_node+0x1e0/0x1e0
[ 2.424605] ---[ end trace 9c3f9641e06cab0a ]---
e um pouco mais (mas eles parecem bastante semelhantes).
Digitando lshw -c video, recebo o seguinte:
$ sudo lshw -c video
*-display:0
description: VGA compatible controller
product: Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 03
width: 32 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:16 memory:f4400000-f447ffff ioport:4000(size=8) memory:e0000000-efffffff memory:f4480000-f44bffff
*-display:1 UNCLAIMED
description: Display controller
product: Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2.1
bus info: pci@0000:00:02.1
version: 03
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration: latency=0
resources: memory:f4500000-f457ffff
Reinstalar os drivers X, como em 16.04 - Como limpar os drivers padrão da Intel e reinstalar os drivers gráficos da Intel não ajudou. Nas versões anteriores do Ubuntu, esse problema não existia, embora algumas operações 3D (como o cubo rotativo da área de trabalho) não fizessem as transformações de perspectiva corretamente.
6
Uma correção temporária está disponível, consulte askubuntu.com/a/772032 Espero que isso ajude!
—
Dzmanto 13/05
@dzmanto: Tentei o kernel 4.5.1 como na sua resposta a essa pergunta, mas, infelizmente, isso não ajuda no meu caso. Se eu repetir o zoom para tela cheia e o zoom novamente algumas vezes, o problema aparece. (A tela fica barras pretas horizontais entre listras coloridas da cor roxa do fundo.)
—
Olaf Seibert
Possível duplicata de Como depurar quando o sistema congela ou quando ele trava novamente para fazer login?
—
David Foerster
@ David Foerster: Eu olhei para essa pergunta; suas respostas parecem girar em torno da recuperação de logs do X. No entanto, no meu caso, o computador está completamente congelado, para que não tenha a chance de registrar nada. .xsession-errors..old nem Xorg.0.log.old contêm qualquer coisa interessante, infelizmente.
—
Olaf Seibert
Isso não parece ser X-Realted. Eu o vi no meu servidor baseado no Intel D945GSEJT sem X e apenas (!) Quando nenhum monitor estava conectado. A atualização para a 4.5.7 resolveu o problema.
—
user69522