connections to localhost

Matthew Dillon dillon at apollo.backplane.com
Mon Jun 21 14:44:19 PDT 2004


:Sorry if my description is somewhat vague, but here it is.
:
:After some uptime I can no longer send mail. 
:
:[murmeldjur//rnyberg]$ ps axlwww | grep sendmail
:    0  4438     1   9 169   0  3052 2420 select SLs   ??    0:00.02 /usr/sbin/sendmail -L sm-mta -bd -q30m -ODaemonPortOptions=Addr=localhost
:   25  4445     1   0 168   0  2932 2320 pause  ILs   ??    0:00.01 /usr/sbin/sendmail -L sm-msp-queue -Ac -q30m
:  502  4596  4565  10 169   0  1000  280 -      RL+   p0    0:00.00 grep sendmail
:
:[murmeldjur//rnyberg]$ netstat -a | grep smtp
:  0 tcp4       0      0 localhost.smtp        *.*                   LISTEN
:
:[murmeldjur//rnyberg]$ telnet localhost smtp     
:Trying 127.0.0.1...
:telnet: connect to address 127.0.0.1: Operation timed out
:
:It's strange that stopping and starting sendmail don't help,
:but rebooting does.
:
:I also get problem with sshd and X forwarding. Setting the option
:X11UseLocalhost no, makes it work.
:
:I don't know when this behaviour started but it's been so for a while.
:The computer is an SMP machine with sources from Jun 18.
:
:dmesg at http://people.su.se/~rnyberg/df-bugs/dmesg.boot
:
:        -Richard

    Ouch.  Well, that looks like a definite networking bug since 
    localhost connections should never time out.  I think we'll have
    to try to fix it before the release :-)

					-Matt
					Matthew Dillon 
					<dillon at xxxxxxxxxxxxx>





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