[Twisted-Python] exceptions.SystemError: unknown opcode

[Miguel Filho]

On Wed, May 14, 2008 at 1:01 PM, Jean-Paul Calderone <exarkun at divmod.com> wrote:
>
> Encountering this after the process has been running for a long time
> suggests a memory corruption issue to me.  The fact that it happened
> only once while the process is still running and correctly servicing
> events further suggests that the corruption was somehow transient, a
> somewhat unusual occurance to say the least. :)

Just to bring a conclusion to this topic, the problem is actually bad memory.

On the same machine a Postfix daemon has just died, checking the logs:
May 28 08:58:31 friends postfix/master[2933]: ess
May 28 08:58:31 friends postfix/master[2933]:
May 28 08:58:31 friends postfix/smtpd[6301]: connect from unknown[59.95.173.59]
May 28 08:58:31 friends postfix/master[2933]: ess
May 28 08:58:31 friends postfix/master[2933]: terminating on signal 11

>From 'man 7 signal':
SIGSEGV      11       Core    Invalid memory reference

A Dovecot daemon used to suddenly die on the same box too.

Regards,

Miguel