Philippe Vouters wrote: > Dear Tapan, > > The message "Couldn't register serial port " in the dmesg log does NOT > come from the Intel 537 driver but from another driver. > [philippe@victor ~]$ grep "Couldn't register serial port " > intel-536-537/* > [philippe@victor ~]$ grep "Couldn't register serial port " > intel-536-537/*/*.c > [philippe@victor ~]$ > Regards, > - > http://vouters.dyndns.org:8080/ > Philippe Vouters (Fontainebleau/France) > > > Le jeudi 18 juin 2009 à 09:07 +0530, Tapan Chugh a écrit : > >> >> Dear Philippe, >> >> I found this line interesting in the dmesg log >> >> "Couldn't register serial port 0000:04:00.0: -28" >> >> also the modem is on 04:00.0 as detected by lspci >> >> "04:00.0 Modem: SILICON Laboratories Intel 537 [Winmodem] (rev 04)" >> >> >> > > > Dear Philippe, The problem is that the modem does not work. The output of all the commands matches. However efax does not work even now. As told by you, I executed the command efax -vewinchmart efax: Thu Jun 18 15:04:33 2009 efax v 0.9a-001114 Copyright 1999 Ed Casas efax: Thu Jun 18 15:04:33 2009 efax v 0.9a-001114 Copyright 1999 Ed Casas efax: 04:33 compiled Oct 24 2008 10:36:30 efax: 04:33 argv[0]=efax efax: 04:33 argv[1]=-v efax: 04:33 argv[2]=ewinchmart efax: 04:33 Error: can't open serial port /dev/modem: Bad address efax: 04:33 done, returning 2 (unrecoverable error)