ERROR: IO_Serial_GetStatus: ioctl(TIOCMGET): Connection timed out

I use argolis triple smartreader working fine when using 1 card if using second card i get this error:

2013/02/24 01:34:21 9A3BDD0 r jsc [viaccess] card detected 2013/02/24 01:34:21 9A3BDD0 r jsc [viaccess] serial: ########## 2013/02/24 01:34:22 9A3BDD0 r jsc [viaccess] provider: 1, id: #############################, sa: ########, geo: empty 2013/02/24 01:34:22 9A3BDD0 r jsc [viaccess] provider: 2, id: #############################, sa: ########, geo: FF FF FF FF 2013/02/24 01:34:23 9A3BDD0 r jsc [viaccess] class: 11, expiry date: 2012/09/30 - 2013/09/30 2013/02/24 01:34:23 9A3BDD0 r jsc [viaccess] class: 19, expiry date: 2012/09/30 - 2013/09/30 2013/02/24 01:34:23 9A3BDD0 r jsc [viaccess] class: 07, expiry date: 2011/09/29 - 2011/10/05 2013/02/24 01:34:23 9A3BDD0 r jsc [viaccess] class: 19, expiry date: 2011/09/28 - 2012/09/28 2013/02/24 01:34:23 9A3BDD0 r jsc [viaccess] class: 0C, expiry date: 2011/09/28 - 2011/12/31 2013/02/24 01:34:23 9A3BDD0 r jsc [viaccess] provider: 3, id: #############################, sa: ########, geo: FF FF FF FF 2013/02/24 01:34:32 9A3BDD0 r jsc [viaccess] ERROR: IO_Serial_GetStatus: ioctl(TIOCMGET): Connection timed out 2013/02/24 01:34:32 9A3BDD0 r jsc [viaccess] Error getting card status. 2013/02/24 01:34:32 9A3BDD0 r jsc [viaccess] card ejected 2013/02/24 01:34:32 9A3BDD0 r jsc [smargo] card detected 2013/02/24 01:34:36 9A3BDD0 r jsc [smargo] ATR: 3F 77 18 00 00 C2 7A 42 02 68 90 00 2013/02/24 01:34:36 9A3BDD0 r jsc [smargo] Init card protocol T0, FI=1, F=372, D=12, N=0 2013/02/24 01:34:36 9A3BDD0 r jsc [smargo] Calculated work ETU is 6.20 us 2013/02/24 01:34:36 9A3BDD0 r jsc [smargo] ATR Fsmax is: 5 Mhz, clocking card to wanted user cardspeed of 5.00 Mhz (specified in reader->mhz) 2013/02/24 01:34:38 9A3BDD0 r jsc [smargo] using ecm #602 (closed) for long viaccess ecm 2013/02/24 01:34:38 9A3BDD0 r jsc [smargo] type: Viaccess (standard atr), caid: 0500, serial: ########## 2013/02/24 01:34:38 9A3BDD0 r jsc [smargo] providers: 3 (FFF920,042400,042410) 2013/02/24 01:34:38 9A3BDD0 r jsc [smargo] ready for requests 2013/02/24 01:34:38 9A3BDD0 r jsc [smargo] found card system viaccess 2013/02/24 01:34:38 9A3BDD0 r jsc [viaccess] card detected 2013/02/24 01:34:38 9A3BDD0 r jsc [viaccess] serial: ########## 2013/02/24 01:34:39 9A3BDD0 r jsc [viaccess] provider: 1, id: #############################, sa: ########, geo: empty 2013/02/24 01:34:39 9A3BDD0 r jsc [viaccess] provider: 2, id: #############################, sa: ########, geo: FF FF FF FF 2013/02/24 01:34:40 9A3BDD0 r jsc [viaccess] class: 11, expiry date: 2012/09/30 - 2013/09/30 2013/02/24 01:34:40 9A3BDD0 r jsc [viaccess] class: 19, expiry date: 2012/09/30 - 2013/09/30 2013/02/24 01:34:40 9A3BDD0 r jsc [viaccess] class: 07, expiry date: 2011/09/29 - 2011/10/05 2013/02/24 01:34:40 9A3BDD0 r jsc [viaccess] class: 19, expiry date: 2011/09/28 - 2012/09/28 2013/02/24 01:34:40 9A3BDD0 r jsc [viaccess] class: 0C, expiry date: 2011/09/28 - 2011/12/31 2013/02/24 01:34:40 9A3BDD0 r jsc [viaccess] provider: 3, id: #############################, sa: ########, geo: FF FF FF FF 2013/02/24 01:34:48 9A3BDD0 r jsc [viaccess] ERROR: IO_Serial_GetStatus: ioctl(TIOCMGET): Connection timed out 2013/02/24 01:34:48 9A3BDD0 r jsc [viaccess] Error getting card status. 2013/02/24 01:34:48 9A3BDD0 r jsc [viaccess] card ejected 2013/02/24 01:34:48 9A3BDD0 r jsc [smargo] card detected 2013/02/24 01:34:52 9A3BDD0 r jsc [smargo] ATR: 3F 77 18 00 00 C2 7A 42 02 68 90 00 2013/02/24 01:34:52 9A3BDD0 r jsc [smargo] Init card protocol T0, FI=1, F=372, D=12, N=0 2013/02/24 01:34:52 9A3BDD0 r jsc [smargo] Calculated work ETU is 6.20 us 2013/02/24 01:34:52 9A3BDD0 r jsc [smargo] ATR Fsmax is: 5 Mhz, clocking card to wanted user cardspeed of 5.00 Mhz (specified in reader->mhz)

I use OSCAM 1.20-unstable_svn build r8415.

My oscam.server:

[reader] label = mycard protocol = smargo device = /dev/ttyUSB1 caid = 0B00 detect = cd mhz = 500 cardmhz = 500 group = 1 emmcache = 1,3,2