modprobe -r sierra sierra-net blank nothing there
modprobe sierra sierra-net
[root@8 ~]# modprobe sierra sierra_net
FATAL: Error inserting sierra (/lib/modules/2.6.38.8-pclos3.bfs/kernel/drivers/usb/serial/sierra.ko.gz): Unknown symbol in module, or unknown parameter (see dmesg)
dmesg | tail -10
[root@8 ~]# dmesg | tail -10
sd 12:0:0:0: [sdh] Attached SCSI removable disk
sierra: Unknown parameter `sierra_net'
usbcore: deregistering interface driver usbserial_generic
USB Serial deregistering driver generic
usbcore: deregistering interface driver usbserial
usbcore: registered new interface driver usbserial
USB Serial support registered for generic
usbcore: registered new interface driver usbserial_generic
usbserial: USB Serial Driver core
sierra: Unknown parameter `sierra_net'
ifconfig
[root@8 ~]# ifconfig
eth0 Link encap:Ethernet HWaddr BC:AE:C5:93:0E:BC
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:45 Base address:0x2000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:88 errors:0 dropped:0 overruns:0 frame:0
TX packets:88 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4680 (4.5 KiB) TX bytes:4680 (4.5 KiB)
ls -l /dev/tty*
[root@8 ~]# ls -l /dev/tty*
crw-rw-rw- 1 root tty 5, 0 Mar 4 2012 /dev/tty
crw--w---- 1 root tty 4, 0 Mar 4 2012 /dev/tty0
crw------- 1 root root 4, 1 Mar 4 00:20 /dev/tty1
crw--w---- 1 root tty 4, 10 Mar 4 2012 /dev/tty10
crw--w---- 1 root tty 4, 11 Mar 4 2012 /dev/tty11
crw--w---- 1 root tty 4, 12 Mar 4 00:54 /dev/tty12
crw--w---- 1 root tty 4, 13 Mar 4 2012 /dev/tty13
crw--w---- 1 root tty 4, 14 Mar 4 2012 /dev/tty14
crw--w---- 1 root tty 4, 15 Mar 4 2012 /dev/tty15
crw--w---- 1 root tty 4, 16 Mar 4 2012 /dev/tty16
crw--w---- 1 root tty 4, 17 Mar 4 2012 /dev/tty17
crw--w---- 1 root tty 4, 18 Mar 4 2012 /dev/tty18
crw--w---- 1 root tty 4, 19 Mar 4 2012 /dev/tty19
crw------- 1 root root 4, 2 Mar 4 00:20 /dev/tty2
crw--w---- 1 root tty 4, 20 Mar 4 2012 /dev/tty20
crw--w---- 1 root tty 4, 21 Mar 4 2012 /dev/tty21
crw--w---- 1 root tty 4, 22 Mar 4 2012 /dev/tty22
crw--w---- 1 root tty 4, 23 Mar 4 2012 /dev/tty23
crw--w---- 1 root tty 4, 24 Mar 4 2012 /dev/tty24
crw--w---- 1 root tty 4, 25 Mar 4 2012 /dev/tty25
crw--w---- 1 root tty 4, 26 Mar 4 2012 /dev/tty26
crw--w---- 1 root tty 4, 27 Mar 4 2012 /dev/tty27
crw--w---- 1 root tty 4, 28 Mar 4 2012 /dev/tty28
crw--w---- 1 root tty 4, 29 Mar 4 2012 /dev/tty29
crw------- 1 root root 4, 3 Mar 4 00:20 /dev/tty3
crw--w---- 1 root tty 4, 30 Mar 4 2012 /dev/tty30
crw--w---- 1 root tty 4, 31 Mar 4 2012 /dev/tty31
crw--w---- 1 root tty 4, 32 Mar 4 2012 /dev/tty32
crw--w---- 1 root tty 4, 33 Mar 4 2012 /dev/tty33
crw--w---- 1 root tty 4, 34 Mar 4 2012 /dev/tty34
crw--w---- 1 root tty 4, 35 Mar 4 2012 /dev/tty35
crw--w---- 1 root tty 4, 36 Mar 4 2012 /dev/tty36
crw--w---- 1 root tty 4, 37 Mar 4 2012 /dev/tty37
crw--w---- 1 root tty 4, 38 Mar 4 2012 /dev/tty38
crw--w---- 1 root tty 4, 39 Mar 4 2012 /dev/tty39
crw------- 1 root root 4, 4 Mar 4 00:20 /dev/tty4
crw--w---- 1 root tty 4, 40 Mar 4 2012 /dev/tty40
crw--w---- 1 root tty 4, 41 Mar 4 2012 /dev/tty41
crw--w---- 1 root tty 4, 42 Mar 4 2012 /dev/tty42
crw--w---- 1 root tty 4, 43 Mar 4 2012 /dev/tty43
crw--w---- 1 root tty 4, 44 Mar 4 2012 /dev/tty44
crw--w---- 1 root tty 4, 45 Mar 4 2012 /dev/tty45
crw--w---- 1 root tty 4, 46 Mar 4 2012 /dev/tty46
crw--w---- 1 root tty 4, 47 Mar 4 2012 /dev/tty47
crw--w---- 1 root tty 4, 48 Mar 4 2012 /dev/tty48
crw--w---- 1 root tty 4, 49 Mar 4 2012 /dev/tty49
crw------- 1 root root 4, 5 Mar 4 00:20 /dev/tty5
crw--w---- 1 root tty 4, 50 Mar 4 2012 /dev/tty50
crw--w---- 1 root tty 4, 51 Mar 4 2012 /dev/tty51
crw--w---- 1 root tty 4, 52 Mar 4 2012 /dev/tty52
crw--w---- 1 root tty 4, 53 Mar 4 2012 /dev/tty53
crw--w---- 1 root tty 4, 54 Mar 4 2012 /dev/tty54
crw--w---- 1 root tty 4, 55 Mar 4 2012 /dev/tty55
crw--w---- 1 root tty 4, 56 Mar 4 2012 /dev/tty56
crw--w---- 1 root tty 4, 57 Mar 4 2012 /dev/tty57
crw--w---- 1 root tty 4, 58 Mar 4 2012 /dev/tty58
crw--w---- 1 root tty 4, 59 Mar 4 2012 /dev/tty59
crw------- 1 root root 4, 6 Mar 4 00:20 /dev/tty6
crw--w---- 1 root tty 4, 60 Mar 4 2012 /dev/tty60
crw--w---- 1 root tty 4, 61 Mar 4 2012 /dev/tty61
crw--w---- 1 root tty 4, 62 Mar 4 2012 /dev/tty62
crw--w---- 1 root tty 4, 63 Mar 4 2012 /dev/tty63
crw--w---- 1 root tty 4, 7 Mar 4 2012 /dev/tty7
crw--w---- 1 root tty 4, 8 Mar 4 2012 /dev/tty8
crw--w---- 1 root tty 4, 9 Mar 4 2012 /dev/tty9
crw-rw---- 1 root dialout 4, 64 Mar 4 2012 /dev/ttyS0
crw-rw---- 1 root dialout 4, 65 Mar 4 2012 /dev/ttyS1
crw-rw---- 1 root dialout 4, 66 Mar 4 2012 /dev/ttyS2
crw-rw---- 1 root dialout 4, 67 Mar 4 2012 /dev/ttyS3
ls -l /dev/usb/*
[root@8 ~]# ls -l /dev/usb*
total 0
crw------- 1 root root 180, 0 Mar 4 00:19 hiddev0