Nikolaus Rath <nikol...@rath.org> writes:
> On 11/13/2014 12:54 PM, Nikolaus Rath wrote:
>> Nikolaus Rath <nikol...@rath.org> writes:
>>> Lennart Poettering <lenn...@poettering.net> writes:
>>>> On Sat, 08.11.14 11:16, Nikolaus Rath (nikol...@rath.org) wrote:
>>>>
>>>>>> Please boot with "systemd.log_level=debug", then make the machine hang
>>>>>> and check what the last things in the logs say. Maybe then paste that
>>>>>> somewhere online and post the URL for that here, so that we can have a
>>>>>> look.
>>>>>
>>>>> Here's the output (obtained by changing log level and remounting earlier
>>>>> in the debug.sh script):
>>>>>
>>>>> https://dl.dropboxusercontent.com/u/11545826/shutdown.log
>>>>>
>>>>> Thanks for your help!
>>>>
>>>> Hmm the logs show that systemd pretty much completed its
>>>> shutdown. After the message "Cannot finalize remaining DM devices,
>>>> continuing." the only thing that still runs is the shutdown hooks you
>>>> used to generate this log, plus either a jump back into your initrd
>>>> (if your initrd supports that) or the reboot() system call.
>>>>
>>>> If the latter hangs then it's a kernel bug.
>>>
>>> reboot -f works fine - could it still be a kernel bug?
>>>
>>>> Please check if there are any other scripts in
>>>> /lib/systemd/system-shutdown/ that might be at fault here.
>>>
>>> Nope, none.
>>>
>>>> Please check if your initrd is one of those which support jumping back
>>>> into the initrd on shutdown. For that check if /run/initramfs/shutdown
>>>> exists during runtime and is executable.
>>>
>>> No, /run/initramfs/shutdown does not exist.
>>>
>>>> If so, it's probably an
>>>> initrd problem, please file a bug against your initrd implementation.
>>>>
>>>> You appear to be using LVM, I wouldn't be surprised if LVM is broken
>>>> here, but I cannot help you debugging this, please contact the LVM
>>>> maintainers in this case.
>>>
>>> Is there some indication that LVN is at fault? As I said in my first
>>> email, the crucial difference seems to be if an X11 console is active or
>>> not:
>>>
>>> * If I execute "systemctl reboot" while a text console is active,
>>> everything works fine.
>>>
>>> * If I execute "systemctl reboot" while the X11 console is active, the
>>> system hangs (I tried waiting up to 7 minutes). Furthermore, I am
>>> unable to switch to another console with Ctrl+Alt+Fn, the computer
>>> becomes unresponsive to the keyboard and the monitor powers down.
>>>
>>> On which tty/pty systemctl itself is executed does not matter (I tested
>>> this by running systemctl in an ssh session from a remote system), it
>>> only matters which console is currently active.
>>
>> Some more information:
>>
>> * if I start a debug-shell on a serial port, at some point the shell
>> seems to freeze as well.
>>
>> * if I boot with sysvinit instead of systemd things work fine:
>>
>> - The system reboots even if an X11 console is active
>> - During the shutdown, I can switch between text consoles and see
>> log messages
>>
>> Any ideas?
>
> On a whim, I also tried blacklisting the nouveau module and using the
> integrated graphics with the i915 module instead. It did not make a
> difference.
*ping*. Really no one able to help with this?
Thanks,
-Nikolaus
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