[asterisk-users] Anyone ever experienced a crash where Asterisk debug output a line with all nulls

Michael Maier m1278468 at mailbox.org
Wed Aug 14 13:46:29 CDT 2019

On 14.08.19 at 18:12 Dan Cropp wrote:
>> Maybe because the machine is performing a file system check on some other partitions in parallel and it's slowed down therefore?
> Wouldn't /var/log/syslog show something like this if it's happening in parallel?

Well, it was just speculation. Is it even now reproducible after the 3. or even later reboot? I would try to log in via ssh as fast as possible 
(or directly via a shell) and try to find the responsible process. Try to examine the IO.

> syslog has items before asterisk is starting, but once the Asterisk log files show it's starting to completed, /var/log/syslog has nothing.
> Syslog has nothing for about 10 minutes after that.
> The strange thing is the customer did a manual restart of Ubuntu 20 minutes later and the same slow startup time happened.

If the machine is shut down manually, did it perform a correct shutdown (= all file systems have been correctly unmounted and all processes have 
been stopped before unmounting)?

Is the startup slow even if it's done w/o reboot before?


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