> ---In firebird-support@yahoogroups.com, <lists@...> wrote :

>

> Hi again,
>
>
>

I had the error now again: 335544382. Can't allocate difference page

>
>

I think that happened when I tried to execute

>

ALTER DATABASE END BACKUP

>
>

I also found the following in syslog:

>
>

Feb 19 04:24:13 kernel:traps: firebird[16552] trap invalid opcode ip:7fabfa1bec19 sp:7fabd19c6950 error:0 in libpthread-2.23.so[7fabfa1b2000+17000]

> Feb 19 04:24:13 systemd-coredump[16555]: Cannot store coredump of 5837 (firebird): No space left on device
> Feb 19 04:24:13 systemd-coredump[16555]: Process 5837 (firebird) of user 450 dumped core.
>
>

Feb 27 09:03:34 kernel:traps: firebird[5995] trap invalid opcode ip:7f94c16c8c19 sp:7f94af7fb4a0 error:0 in libpthread-2.23.so[7f94c16bc000+17000]

>

Feb 27 09:03:35 systemd-coredump[7883]: Cannot store coredump of 5846 (firebird): No space left on device

>

Feb 27 09:03:35 systemd-coredump[7883]: Process 5846 (firebird) of user 450 dumped core.

>
>

Sadly I do not have a coredump (as that part of the harddrive is not mounted writeable).

  Hmm... "No space left on device" error points into another direction...

>

But also notice, that the firebird database partition still has >400GB free space.

  Does you defined explicit difference file name in that database ?

> Also I found a "335544363. no transaction for request" error, but I have no timestamp and cannot correlate it with the crash.
> However I got the impression that this happened really short after the crash (and we are using a connection pool).
>
>

This is currently firebird 3.0.2.

>

Does the information above help in any way?

  Almost no, sorry. Crash dump could help. firebird.log contents also could help. And output of gstat -h

Regards,
Vlad