# strace -p 23803
Process 23803 attached - interrupt to quit
unlink("/var/lock/LCK..ircomm0")        = 0
open("/var/lock/LCK..ircomm1", O_RDWR|O_NONBLOCK|O_CREAT|O_EXCL, 0644) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
write(4, "     23803\n", 11)            = 11
close(4)                                = 0
open("/dev/ircomm1", O_RDWR|O_NONBLOCK|O_NOCTTY) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
ioctl(4, TIOCGSERIAL, 0x7fffd5ebd1a0)   = 0
ioctl(4, TIOCSSERIAL, 0x7fffd5ebd150)   = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost -isig icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig icanon -echo ...}) = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, TIOCMGET, [TIOCM_CTS|TIOCM_CAR|TIOCM_RNG|TIOCM_DSR]) = 0
nanosleep({0, 500000000}, NULL)         = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
nanosleep({0, 10000000}, NULL)          = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
nanosleep({0, 50000000}, NULL)          = 0
write(4, "ATQ0 V1 E1\r", 11)            = 11
write(5, "ircomm1<*1>: ", 13)           = 13
write(5, "ATQ0 V1 E1 -- ", 14)          = 14
select(5, [4], [], [], {0, 500000})     = 0 (Timeout)
write(5, "failed at 9600 and 19200 baud.", 30) = 30
write(5, "\n", 1)                       = 1
ioctl(4, TCFLSH, 0x2)                   = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, TCFLSH, 0x2)                   = 0
close(4)                                = 0
unlink("/var/lock/LCK..ircomm1")        = 0
open("/var/lock/LCK..ircomm2", O_RDWR|O_NONBLOCK|O_CREAT|O_EXCL, 0644) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
write(4, "     23803\n", 11)            = 11
close(4)                                = 0
open("/dev/ircomm2", O_RDWR|O_NONBLOCK|O_NOCTTY) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
ioctl(4, TIOCGSERIAL, 0x7fffd5ebd1a0)   = 0
ioctl(4, TIOCSSERIAL, 0x7fffd5ebd150)   = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost -isig icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig icanon -echo ...}) = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, TIOCMGET, [TIOCM_CTS|TIOCM_CAR|TIOCM_RNG|TIOCM_DSR]) = 0
nanosleep({0, 500000000}, NULL)         = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
nanosleep({0, 10000000}, NULL)          = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
nanosleep({0, 50000000}, NULL)          = 0
write(4, "ATQ0 V1 E1\r", 11)            = 11
write(5, "ircomm2<*1>: ", 13)           = 13
write(5, "ATQ0 V1 E1 -- ", 14)          = 14
select(5, [4], [], [], {0, 500000})     = 0 (Timeout)
write(5, "failed at 9600 and 19200 baud.", 30) = 30
write(5, "\n", 1)                       = 1
ioctl(4, TCFLSH, 0x2)                   = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, TCFLSH, 0x2)                   = 0
close(4)                                = 0
unlink("/var/lock/LCK..ircomm2")        = 0
open("/var/lock/LCK..ircomm3", O_RDWR|O_NONBLOCK|O_CREAT|O_EXCL, 0644) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
write(4, "     23803\n", 11)            = 11
close(4)                                = 0
open("/dev/ircomm3", O_RDWR|O_NONBLOCK|O_NOCTTY) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
ioctl(4, TIOCGSERIAL, 0x7fffd5ebd1a0)   = 0
ioctl(4, TIOCSSERIAL, 0x7fffd5ebd150)   = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost -isig icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig icanon -echo ...}) = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, TIOCMGET, [TIOCM_CTS|TIOCM_CAR|TIOCM_RNG|TIOCM_DSR]) = 0
nanosleep({0, 500000000}, NULL)         = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
nanosleep({0, 10000000}, NULL)          = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
nanosleep({0, 50000000}, NULL)          = 0
write(4, "ATQ0 V1 E1\r", 11)            = 11
write(5, "ircomm3<*1>: ", 13)           = 13
write(5, "ATQ0 V1 E1 -- ", 14)          = 14
select(5, [4], [], [], {0, 500000})     = 0 (Timeout)
write(5, "failed at 9600 and 19200 baud.", 30) = 30
write(5, "\n", 1)                       = 1
ioctl(4, TCFLSH, 0x2)                   = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, TCFLSH, 0x2)                   = 0
close(4)                                = 0
unlink("/var/lock/LCK..ircomm3")        = 0
open("/var/lock/LCK..ircomm4", O_RDWR|O_NONBLOCK|O_CREAT|O_EXCL, 0644) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
write(4, "     23803\n", 11)            = 11
close(4)                                = 0
open("/dev/ircomm4", O_RDWR|O_NONBLOCK|O_NOCTTY) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
ioctl(4, TIOCGSERIAL, 0x7fffd5ebd1a0)   = 0
ioctl(4, TIOCSSERIAL, 0x7fffd5ebd150)   = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost -isig icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig icanon -echo ...}) = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, TIOCMGET, [TIOCM_CTS|TIOCM_CAR|TIOCM_RNG|TIOCM_DSR]) = 0
nanosleep({0, 500000000}, NULL)         = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
nanosleep({0, 10000000}, NULL)          = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
nanosleep({0, 50000000}, NULL)          = 0
write(4, "ATQ0 V1 E1\r", 11)            = 11
write(5, "ircomm4<*1>: ", 13)           = 13
write(5, "ATQ0 V1 E1 -- ", 14)          = 14
select(5, [4], [], [], {0, 500000})     = 0 (Timeout)
write(5, "failed at 9600 and 19200 baud.", 30) = 30
write(5, "\n", 1)                       = 1
ioctl(4, TCFLSH, 0x2)                   = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, TCFLSH, 0x2)                   = 0
close(4)                                = 0
unlink("/var/lock/LCK..ircomm4")        = 0
open("/var/lock/LCK..ircomm5", O_RDWR|O_NONBLOCK|O_CREAT|O_EXCL, 0644) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
write(4, "     23803\n", 11)            = 11
close(4)                                = 0
open("/dev/ircomm5", O_RDWR|O_NONBLOCK|O_NOCTTY) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
ioctl(4, TIOCGSERIAL, 0x7fffd5ebd1a0)   = 0
ioctl(4, TIOCSSERIAL, 0x7fffd5ebd150)   = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost -isig icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig icanon -echo ...}) = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, TIOCMGET, [TIOCM_CTS|TIOCM_CAR|TIOCM_RNG|TIOCM_DSR]) = 0
nanosleep({0, 500000000}, NULL)         = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
nanosleep({0, 10000000}, NULL)          = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B2400 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
nanosleep({0, 50000000}, NULL)          = 0
write(4, "ATQ0 V1 E1\r", 11)            = 11
write(5, "ircomm5<*1>: ", 13)           = 13
write(5, "ATQ0 V1 E1 -- ", 14)          = 14
select(5, [4], [], [], {0, 500000})     = 0 (Timeout)
write(5, "failed at 9600 and 19200 baud.", 30) = 30
write(5, "\n", 1)                       = 1
ioctl(4, TCFLSH, 0x2)                   = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, TCFLSH, 0x2)                   = 0
close(4)                                = 0
unlink("/var/lock/LCK..ircomm5")        = 0
open("/var/lock/LCK..ircomm6", O_RDWR|O_NONBLOCK|O_CREAT|O_EXCL, 0644) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
write(4, "     23803\n", 11)            = 11
close(4)                                = 0
open("/dev/ircomm6", O_RDWR|O_NONBLOCK|O_NOCTTY) = 4
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
select(5, [4], [], [], {0, 0})          = 0 (Timeout)
ioctl(4, TIOCGSERIAL, 0x7fffd5ebd1a0)   = 0
ioctl(4, TIOCSSERIAL, 0x7fffd5ebd150)   = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B9600 -opost -isig icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig icanon -echo ...}) = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
write(4, "\r", 1)                       = 1
nanosleep({0, 10000000}, NULL)          = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 -opost -isig icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_START or TCSETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, {B0 -opost -isig -icanon -echo ...}) = 0
ioctl(4, TIOCMGET, [TIOCM_CTS|TIOCM_CAR|TIOCM_RNG|TIOCM_DSR]) = 0
nanosleep({0, 500000000},  <unfinished ...>
Process 23803 detached