Hi Sylvain, thanks for that, already getting somewhere. Here are last several lines from
strace output:
open("/dev/ttyUSB0", O_RDWR|O_NOCTTY) = 3
14:21:07.712932 ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, {B115200 opost isig icanon echo
...}) = 0
14:21:07.713657 ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, {B115200 opost isig icanon echo
...}) = 0
14:21:07.713847 ioctl(3, SNDCTL_TMR_START or TCSETS, {B115200 -opost -isig -icanon -echo
...}) = 0
14:21:07.715039 ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, {B115200 -opost -isig -icanon
-echo ...}) = 0
14:21:07.715261 ioctl(3, TIOCMBIS, [TIOCM_DTR|TIOCM_RTS]) = -1 EPIPE (Broken pipe)
14:21:07.717054 close(3) = 0
14:21:07.720986 write(2, "Cannot open serial device /dev/t"..., 39Cannot open
serial device /dev/ttyUSB0
I got -1 at ioctl(3, TIOCMBIS, [TIOCM_DTR|TIOCM_RTS]) (Broken pipe). But it was actually
able to open "/dev/ttyUSB0" (returned 3). Have to find out what -1 means at this
point.
Date: Tue, 11 Jun 2013 11:21:23 +0200
Subject: Re: Cannot open serial device /dev/ttyUSB0
From: 246tnt(a)gmail.com
To: gandguladze(a)hotmail.com
CC: baseband-devel(a)lists.osmocom.org
On Tue, Jun 11, 2013 at 10:44 AM, George Andguladze
<gandguladze(a)hotmail.com> wrote:
I can read/write baud rates to EEPROM of the
device using cp210x-program.
Basically I have tried everything apart from reinstalling the OS (Ubuntu
10.04). What might be the issue? (for more info refer to the older
conversations)
Try to strace it.
strace osmocon ....
Cheers,
Sylvain