pppd no CHAP response when using NM

Hi, I'm trying to connect with a GSM USB modem ZTE MF-100 (USB ID 19d2:0039) to a mobile broadband network (German Congstar = network of German Telecom) with debian testing. Using KDE NetworkManager, my problem is that pppd doesn't answer the CHAP challenge and runs into a timeout (see log f

Lost wifi connection

Hello, yet another problem. Randomly, my wifi card drops its connection. It seems to forget its setting but everything which can be found in the logs is shown below. It needs ifdown wlan0; ifup wlan0 to recover. This seems to be related to the link quality because this occurs more often when

backlight control lost after resume - screen black after hibernate

Hello, I run Wheezy on a quite new sony vaio PCG laptop with GeForce GT 555M (GF106) and a second intel 2D video card and nouveau FB. After resume from suspend or hibernate, the backlight control gets lost. I still can echo and cat to /sys/class/backlight/acpi_video[0,1]/ but it has no effec