Another showstopper in 2.2.5
jra at dp.samba.org
jra at dp.samba.org
Tue Aug 20 13:54:01 GMT 2002
On Tue, Aug 20, 2002 at 12:24:51PM -0400, David Collier-Brown wrote:
> Fredrik Ohrn wrote:
> > Sooner or later the smbd dies on a SIGPIPE when trying to send a
> > keepalive. The SIGPIPE isn't catched, thus it leaves stale sharemodes.
>
> Thank you, Oh Kind Person!
> (I was wondering how this could possibly happen, you see)
>
>
> > Program received signal SIGPIPE, Broken pipe.
> > 0x4015e332 in send () from /lib/libc.so.6
> > (gdb) bt
> > #0 0x4015e332 in send () from /lib/libc.so.6
> > #1 0x0812f81d in sys_send ()
> > #2 0x0813e90b in write_socket_data ()
> > #3 0x0813e70b in send_keepalive ()
> > #4 0x080a2348 in timeout_processing ()
> > #5 0x080a264e in smbd_process ()
> > #6 0x08069959 in main ()
> > #7 0x4008a280 in __libc_start_main () from /lib/libc.so.6
> > (gdb) cont
> > Continuing.
> >
> > Program terminated with signal SIGPIPE, Broken pipe.
> > The program no longer exists.
> > (gdb)
> >
> > Things to note is that the client is alive and have had no (obvious)
> > reason to drop the connection or otherwise stop responding. I have tried
> > this over and over and it's allways in send_keepalive that the SIGPIPE of
> > death happens.
The problem is this shouldn't happen - we block all SIGPIPE
signals in smbd startup.....
If we're getting them there is a problem somewhere. Remember,
running under gdb may reset the process signal mask - when
not running under gdb we will never see SIGPIPE.
Jeremy.
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