Thread: Can't login - failed to load module 'dri', no space left on device

i'm unable login kubuntu lucid. login screen takes password, blanks, returns me login screen. i'm getting graphics errors when running recovery mode no space left on device error when attempting start x terminal. here outputs:

when starting recovery mode, selecting failsafex recovery menu:

ubuntu running in low-graphics mode

following error encountered. may need update configuration solve this.

(ee) failed load module "dri" (module not exist, 0)
(ee) radeon(o): [dri]radeondrigetversion failed (libdri old)
(ee) radeon(0): acceleration initializatoin failed
(ee) glx erro: can not required symbols.

when choose run ubuntu in low-graphics mode 1 session, different login screen i'm used , error box pops in corner, telling me configuration defaults gnome power manager not installed properly. cannot login screen either. takes password, blanks, , returns login screen, regular login.

in terminal mode, can login successfully. kstart returns "cannot connect x server". when try startx, following errors:

/usr/bin/startx: line 155: cannot create temp file here-document: no space left on device
/usr/bin/startx: line 171: cannot create temp file here-document: no space left on device
/usr/bin/startx: line 171: cannot create temp file here-document: no space left on device

fatal server error:
server active display 0
if server no longer running, remove /tmp/.x0-lock , start again.

ddxsiggiveup: closing log
no protocol specified
giving up.
xinit: resource temporarily unavailable (errno 11): unable connect x server
xinit: no such process (errno 3): server error.

df -h:

filesystem size used avail use% mounted on
/dev/sda4 97g 94g 0 100% /
none 1.8g 328k 1.8g 1% /dev
none 1.8g 0 1.8g 0% /dev/shm
none 1.8g 292k 1.8g 1% /var/run
none 1.8g 0 1.8g 0% /var/lock
none 1.8g 0 1.8g 0% /lib/init/rw
/dev/sdc1 3.8g 1.7g 2.2g 45% /media/usb

fdisk -l:

disk /dev/sda: 320.1 gb, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
units = cylinders of 16065 * 512 = 8225280 bytes
sector size (logical/physical): 512 bytes / 512 bytes
i/o size (minimum/optimal): 512 bytes / 512 bytes
disk identifier: 0xf5623874

device boot start end blocks id system
/dev/sda1 1 5 40131 de dell utility
/dev/sda2 6 1918 15360000 7 hpfs/ntfs
/dev/sda3 * 1919 25533 189687487+ 7 hpfs/ntfs
/dev/sda4 25534 38391 103281885 83 linux

disk /dev/sdc: 4041 mb, 4041211904 bytes
128 heads, 63 sectors/track, 978 cylinders
units = cylinders of 8064 * 512 = 4128768 bytes
sector size (logical/physical): 512 bytes / 512 bytes
i/o size (minimum/optimal): 512 bytes / 512 bytes
disk identifier: 0x04dd5721

device boot start end blocks id system
/dev/sdc1 1 979 3946464+ c w95 fat32 (lba)
partition 1 has different physical/logical endings:
phys=(977, 127, 63) logical=(978, 101, 37)

ran du -k in root, output large. there specific part of output should looking at, or should run different directory?

i've come conclusion root partition full, i'm not sure how clear space, or how clear once work out how it. removed few packages apt, doesn't seem have effect. df -h shows root 100% full, yet has 3gb free. i've grown comfortable ubuntu in couple years i've been using it, yet level of problem-solving bit nerve-wracking me. i've been considering reinstalling (this machine running lucid upgraded karmic , jaunty , has few oddities), hate idea of being forced reinstall because can't overcome problem. i'd appreciate input folks can give me on this. if need other information or outputs terminal commands, i'm happy provide it.

can post output of

code:

cd /  du -h --max-depth=1 2>/dev/null | sort -h

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