As seems the problem is tied with Huawei E1750 USB Modem - UMTS (3G)
Workaround is:
1) kill -9 of kdm4 (usually at different TTY beccouse is unpossible to open new
window with terminal)
2) run kdm4 (I'm using krunner for it)
3) remove Modem from USB and reconnect
lsusb
Bus 002 Device 012: ID 12d1:1001 Huawei Technologies Co., Ltd. E620 USB Modem
top output is little bit strange - more than 100% CPU?..
top - 23:58:08 up 4:47, 3 users, load average: 1.16, 1.05, 1.06
Tasks: 182 total, 2 running, 178 sleeping, 0 stopped, 2 zombie
Cpu(s): 27.8%us, 1.3%sy, 0.0%ni, 70.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 7982908k total, 3661620k used, 4321288k free, 78788k buffers
Swap: 0k total, 0k used, 0k free, 1814864k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4433 ln 20 0 641m 36m 27m R 102 0.5 0:35.51 kded4
2297 ln 20 0 1172m 242m 38m S 3 3.1 24:36.47 firefox-bin
939 root 20 0 330m 49m 8252 S 3 0.6 47:10.47 Xorg
6853 ln 20 0 805m 116m 36m S 2 1.5 0:13.04 kontact
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https://bugs.launchpad.net/bugs/777526
Title:
Kded4 freezes after wake-up
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