Falha ao suspender devido a falha nouveau

Question

Existem muitas questões sobre suspensão com falha no Ubuntu ( [1] [2] ), mas cada deles parecem tão específicos que estou postando os meus. No meu caso, às vezes (muito aleatoriamente) meu XP15 não suspende. Estou executando o Ubuntu 14.04 atualizado para a data atual. Meu syslog afirma:

Aug 12 23:20:24 ged kernel: [32564.982253] Suspending console(s) (use no_console_suspend to debug)
Aug 12 23:20:24 ged kernel: [32564.982580] sd 1:0:0:0: [sdb] Synchronizing SCSI cache
Aug 12 23:20:24 ged kernel: [32564.982615] sd 0:0:0:0: [sda] Synchronizing SCSI cache
Aug 12 23:20:24 ged kernel: [32564.984880] sd 0:0:0:0: [sda] Stopping disk
Aug 12 23:20:24 ged kernel: [32564.985451] sd 1:0:0:0: [sdb] Stopping disk
Aug 12 23:20:24 ged kernel: [32565.032197] nouveau  [     DRM] suspending display...
Aug 12 23:20:24 ged kernel: [32565.032205] nouveau  [     DRM] unpinning framebuffer(s)...
Aug 12 23:20:24 ged kernel: [32565.032208] nouveau  [     DRM] evicting buffers...
Aug 12 23:20:24 ged kernel: [32565.032210] nouveau  [     DRM] waiting for kernel channels to go idle...
Aug 12 23:20:24 ged kernel: [32565.032250] nouveau  [     DRM] suspending client object trees...
Aug 12 23:20:24 ged kernel: [32565.033027] nouveau  [     DRM] suspending kernel object tree...
Aug 12 23:20:24 ged kernel: [32567.035761] nouveau E[   PDISP][0000:01:00.0][0xc000857c][ffff88042386bb80] fini timeout, 0xc2061008
Aug 12 23:20:24 ged kernel: [32567.035764] nouveau E[   PDISP][0000:01:00.0][0xc000857c][ffff88042386bb80] failed suspend, -16
Aug 12 23:20:24 ged kernel: [32567.035766] nouveau E[     DRM] 0xd1500000:0xd15c7c00 suspend failed with -16
Aug 12 23:20:24 ged kernel: [32567.035804] nouveau E[     DRM] 0xdddddddd:0xd1500000 suspend failed with -16
Aug 12 23:20:24 ged kernel: [32567.035922] nouveau E[     DRM] 0xffffffff:0xdddddddd suspend failed with -16
Aug 12 23:20:24 ged kernel: [32567.036633] nouveau E[     DRM] 0xffffffff:0xffffffff suspend failed with -16
Aug 12 23:20:24 ged kernel: [32567.036757] nouveau  [     DRM] resuming display...
Aug 12 23:20:24 ged kernel: [32567.036785] nouveau E[     DRM] bo ffff880036980000 pinned elsewhere: 0x00000002 vs 0x00000004
Aug 12 23:20:24 ged kernel: [32567.036788] [drm:drm_helper_resume_force_mode] *ERROR* failed to set mode on crtc ffff88041f020000
Aug 12 23:20:24 ged kernel: [32567.044935] pci_pm_suspend(): nouveau_pmops_suspend+0x0/0xb0 [nouveau] returns -16
Aug 12 23:20:24 ged kernel: [32567.044939] dpm_run_callback(): pci_pm_suspend+0x0/0x150 returns -16
Aug 12 23:20:24 ged kernel: [32567.044945] PM: Device 0000:01:00.0 failed to suspend async: error -16
Aug 12 23:20:24 ged kernel: [32567.045007] PM: Some devices failed to suspend, or early wake event detected

Como parece, o problema está na placa de vídeo. O resultado de lspci | grep VGA retorna.

00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation GF108M [GeForce GT 540M] (rev a1)

O que é estranho, é que não estou usando a placa NVIDIA (já que os drivers novos e oficiais não são estáveis na minha máquina).

Alguma dica para o próximo passo?

    

Answer 1

Eu acho que é o mesmo problema relatado como " laptop suspenso interrompido após a última atualização do kernel ".

Por favor, relate que este bug afeta você em Bug # 1329689