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  1. Bug #539655
  2. Comment #8

Comment 8 for bug 539655

Revision history for this message
Stefan Bader (smb) wrote :

To clarify, since a while the lockup moved to ttm_bo_wait_cpu (as seen in the last Xorg.wedge.log. I hacked a bit around with function tracing and got the following trace (which is limited atm to the two functions):

# tracer: function
#
# TASK-PID CPU# TIMESTAMP FUNCTION
# | | | | |
       plymouthd-316 [000] 16.812883: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
       plymouthd-316 [000] 16.812938: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860119: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860316: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860319: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860320: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860322: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860324: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860326: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860333: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860335: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860337: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860338: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860340: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860342: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.860384: nouveau_gem_ioctl_cpu_fini <-drm_ioctl
           <...>-1069 [000] 17.880233: ttm_bo_wait_cpu <-validate_init