Unable to login: Oh no! Something went wrong!

[Fred Barclay]

G'day, guys. I've got an installation of Kali 1.10a 64 bit on sda2 on my hard drive. My machine is the Gateway T-Series model W350A. "inxi -Fx" in LMDE returns the following (I'm including this to give as many details as are possible)

fred@aussie! ~ $ inxi -Fx
System:    Host: aussie! Kernel: 4.0-5.dmz.3-liquorix-amd64 x86_64 (64 bit gcc: 4.9.2) 
           Desktop: Cinnamon 2.6.7 (Gtk 3.14.5+4) Distro: LinuxMint 2 betsy 
Machine:   System: Gateway product: T-1625 v: 90.02
           Mobo: GATEWAY model: N/A v: Rev1.90.02 Bios: Gateway v: 90.02 date: 08/02/2007
CPU:       Dual core AMD Turion 64 X2 Mobile TL-60 (-MCP-) cache: 1024 KB
           flags: (lm nx sse sse2 sse3 svm) bmips: 3200 
           Clock Speeds: 1: 800 MHz 2: 800 MHz
Graphics:  Card: Advanced Micro Devices [AMD/ATI] RS690M [Radeon Xpress 1200/1250/1270] bus-ID: 01:05.0
           Display Server: X.Org 1.16.4 drivers: ati,radeon (unloaded: fbdev,vesa) Resolution: [email protected]
           GLX Renderer: Gallium 0.4 on ATI RS690 GLX Version: 2.1 Mesa 10.3.2 Direct Rendering: Yes
Audio:     Card-1 Advanced Micro Devices [AMD/ATI] RS690 HDMI Audio [Radeon Xpress 1200 Series] 
           driver: snd_hda_intel bus-ID: 01:05.2 
           Card-2 Advanced Micro Devices [AMD/ATI] SBx00 Azalia (Intel HDA) driver: snd_hda_intel bus-ID: 00:14.2 
           Sound: Advanced Linux Sound Architecture v: k4.0-5.dmz.3-liquorix-amd64
Network:   Card-1: Realtek RTL8101E/RTL8102E PCI Express Fast Ethernet controller
           driver: r8169 v: 2.3LK-NAPI port: a000 bus-ID: 08:00.0
           IF: eth0 state: down mac: 00:03:25:4f:ed:01
           Card-2: Realtek RTL8187B Wireless 802.11g 54Mbps Network Adapter usb-ID: 001-003
           IF: N/A state: N/A mac: N/A
Drives:    HDD Total Size: 250.1GB (6.4% used) ID-1: /dev/sda model: Hitachi_HTS54252 size: 250.1GB
Partition: ID-1: / size: 138G used: 15G (12%) fs: ext4 dev: /dev/sda1 
Sensors:   System Temperatures: cpu: 59.0C mobo: N/A 
           Fan Speeds (in rpm): cpu: N/A 
Info:      Processes: 156 Uptime: 20 min Memory: 451.1/2886.0MB Init: SysVinit runlevel: 2 Gcc sys: 4.9.2 
           Client: Shell (bash 4.3.301) inxi: 2.1.28

Please keep in mind I'm only attaching this to help show what my machine looks like. Certain things such as kernel no. and drivers I'm sure will be different in Kali.

Anyway, I'm having trouble logging in after the installation. Sometimes the login goes normally, but usualy I get an unhappy computer face, under which are the words "Oh no! Something went wrong!" and then an advisory to contact the system administrator (me ).
I verified the sha1sum of the Kali iso, so I don't think it's a corrupted iso problem. Also, I used MintStick in LMDE to make the bootable usb for installation. I've used this tool many times for installing Kali to a different machine, and never had any trouble with it.

I wondered if it was perhaps gmd3's fault, so I installed lightdm as the login manager. Nothing changed--I can sometimes log in, but normally can't.
Also, I can login perfectly under console. It's just the graphical login that's bugging out.

I looked up http://unix.stackexchange.com/questi...ing-kali-linux and https://forums.kali.org/showthread.p...ing-went-wrong. For the first one, I'm not in VBox, and I tried running "dpkg-reconfigure gnome-shell" with no effect, and on the second, sda2 is a 50GB partition. I'm hardly out of room.

I'll be happy to provide any log files as needed. I'm not sure which ones will be wanted, or I'd have attached them to this post.

Thanks for any help!
Fred

EDIT: This is also a GPT hard disk. Don't know if this causes any problems...