Re: spamass-milter hangs on FreeBSD 5.3

[Ludger Bolmerg]

> > I am using spamass-milter 0.3.0 from the ports collection on FreeBSD
> > 5.3.  SA version is 3.0.2 and sendmail 8.13.1
> >
> > spamass-milter is running ok for a while before the process hangs.
> >
> > ps   shows that the process is stopped
> >   798  ??  TLs   11:26.76 /usr/local/sbin/spamass-milter -f -p 
> > /var/run/spamass-milter.sock
>
> What does "ps axlHp 798" print?  That will print the all the threads
> plus what they are doing in the kernel.

#ps axlHp 798
  UID   PID  PPID CPU PRI NI   VSZ  RSS MWCHAN STAT  TT       TIME COMMAND
    0   798     1   0  20  0 12900  720 -      TLs   ??   11:26.76 
/usr/local/sb
in/spamass-milter -f -p /var/run/spamass
    0   798     1   0  96  0 12900  720 -      TLs   ??   11:26.76 
/usr/local/sb
in/spamass-milter -f -p /var/run/spamass
    0   798     1   0  96  0 12900  720 -      TLs   ??   11:26.76 
/usr/local/sb
in/spamass-milter -f -p /var/run/spamass
    0   798     1   0  96  0 12900  720 -      TLs   ??   11:26.76 
/usr/local/sb
in/spamass-milter -f -p /var/run/spamass
    0   798     1   0  96  0 12900  720 -      TLs   ??   11:26.76 
/usr/local/sb
in/spamass-milter -f -p /var/run/spamass
    0   798     1   0 -20  0 12900  720 -      TLs   ??   11:26.76 
/usr/local/sb
in/spamass-milter -f -p /var/run/spamass
    0   798     1   0 -16  0 12900  720 spltwt TLs   ??   11:26.76 
/usr/local/sb
in/spamass-milter -f -p /var/run/spamass
    0   798     1   0  96  0 12900  720 -      TLs   ??   11:26.76 
/usr/local/sb
in/spamass-milter -f -p /var/run/spamass
    0   798     1   0  20  0 12900  720 -      TLs   ??   11:26.76 
/usr/local/sb
in/spamass-milter -f -p /var/run/spamass


> There were some deadlock fixes
> that went into libpthread after 5.3 was released.  Until 5.4 is
> released, you can drop back to libc_r threading with this entry in
> /etc/libmap.conf.  It shouldn't hurt spamass-milter's performance since
> it doesn't really use much CPU anyhow.
>
> [spamass-milter]
> libpthread.so.1 libc_r.so.5

I'll try it out and let you know if it is working.


> > ps also shows some idle spamc processes and a few zombies.
> >
> > Unfortunately I cannot kill the spamass-milter process.  Even kill -9
> > do not remove the process from the system, so I am not able to create
> > a core dump.
>
> You can use the "gcore" command to generate a coredump from a running
> process. Handy in situations like this.

I used "gdb 768" which gave me a kernel panic.  Unless you would need 
additional information from gcore I would rather not try it now.

Thanks a lot
Ludger