>лог mgetty или что у тебя там
>и вот эти скрипты что делают
>/etc/sysconfig/network-scripts/ifup-post ifcfg-${LOGDEVICE}
>без них как ?

в /etc/sysconfig/network-scripts/ifup-post ifcfg-${LOGDEVICE} ничего существенного нет за, что можно было бы зацепиться
#log mgetty>
05/31 12:38:33 yS2  mgetty: experimental test release 1.1.31-Jul24
05/31 12:38:33 yS2  check for lockfiles
05/31 12:38:33 yS2  locking the line
05/31 12:38:33 yS2  lowering DTR to reset Modem
05/31 12:38:34 yS2  send: \dATQ0V1H0[0d]
05/31 12:38:34 yS2  waiting for ``OK'' ** found **
05/31 12:38:35 yS2  send: ATS0=0Q0&D3&C1[0d]
05/31 12:38:35 yS2  waiting for ``OK'' ** found **
05/31 12:38:35 yS2  send: AT[0d]
05/31 12:38:35 yS2  do_stat: expect 'OK' ** found **
05/31 12:38:35 yS2  send: ATI2[0d]
05/31 12:38:35 yS2  do_stat: expect 'OK' ** found **
05/31 12:38:36 yS2  waiting...
05/31 12:39:39 yS2  wfr: waiting for ``RING''
05/31 12:39:39 yS2  wfr: waiting for ``RING''
05/31 12:39:39 yS2  send: ATA[0d]
05/31 12:39:39 yS2  waiting for ``CONNECT'' ** found **
05/31 12:39:52 yS2  send:
05/31 12:39:52 yS2  waiting for ``_'' ** found **
05/31 12:39:54 ##### data dev=ttyS2, pid=9128, caller='none', conn='26400/ARQ/V34/LAPM', name='', cmd='/usr/sbin/pppd', user='/AutoPPP/'

--
05/31 12:41:44 yS2  mgetty: experimental test release 1.1.31-Jul24
05/31 12:41:44 yS2  check for lockfiles
05/31 12:41:44 yS2  locking the line
05/31 12:41:45 yS2  lowering DTR to reset Modem
05/31 12:41:46 yS2  send: \dATQ0V1H0[0d]
05/31 12:41:46 yS2  waiting for ``OK'' ** found **
05/31 12:41:46 yS2  send: ATS0=0Q0&D3&C1[0d]
05/31 12:41:46 yS2  waiting for ``OK'' ** found **
05/31 12:41:46 yS2  send: AT[0d]
05/31 12:41:46 yS2  do_stat: expect 'OK' ** found **
05/31 12:41:47 yS2  send: ATI2[0d]
05/31 12:41:47 yS2  do_stat: expect 'OK' ** found **
05/31 12:41:47 yS2  waiting...
05/31 12:42:40 yS2  wfr: waiting for ``RING''
05/31 12:42:40 yS2  wfr: waiting for ``RING''
05/31 12:42:40 yS2  send: ATA[0d]
05/31 12:42:40 yS2  waiting for ``CONNECT''
05/31 12:43:40 yS2  found action string: ``NO CARRIER''
05/31 12:43:40 ##### failed A_FAIL dev=ttyS2, pid=9175, caller='none', conn='', name=''