[Bug 539655] Re: nouveau hard lockup in nouveau_gem_ioctl_cpu_fini

[Scott James Remnant]

<Keybuk> could you attach this "ps" output to the bug
 also I don't suppose you could gdb attach to plymouthd and get a backtrace?
<smb> Keybuk, Hm, not using gdb too often... How would I break to a gdb command line after attaching to the process
<Keybuk> does it not break?
<Keybuk> strace instead of gdb?
<smb> No it just tells me attached to process x and stays there
<smb> I don't think it will show much as it seems to be stuck

<smb> Keybuk, strace seems to lockup too, but maybe /proc/x/wchan =
nouveau_gem_ioctl_cpu_fini helps?

** Summary changed:

- Boot screen locks up while X starts
+ nouveau hard lockup in nouveau_gem_ioctl_cpu_fini

** Package changed: plymouth (Ubuntu) => linux (Ubuntu)

** Changed in: linux (Ubuntu)
       Status: Incomplete => Triaged

-- 
nouveau hard lockup in nouveau_gem_ioctl_cpu_fini
https://bugs.launchpad.net/bugs/539655
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