AMD and ATI with open source drivers.
random dropping to login screen whilst browsing photos on card reader with 
default image viewer.
12.04 utter fail. Resource hog, unexplained high cpu usage for panel applets 
and HUD and now this random log-out. Such a dissappointment and this is meant 
to be LTS..!! Even waited untill 12.04.1 to install and still buggery buggy 
unstable...
Hey Markey ! this is how you lose users....
How long has this bug been unattended...?

dmsg here if you even think you might have a moment to look at it.
Not that I care anymore, off to wipe Ubuntu and try something that can be 
relied upon, but it may be of help to someone else.
Rant,rant,rant....years of being shafted by this hopeless o/s.
Just fix the effing bugs and stop adding eye-candy and removing user 
customisation options.
bye

[   13.774792] Bluetooth: BNEP filters: protocol multicast
[   14.304535] eth0:  setting half-duplex.
[   14.306621] ADDRCONF(NETDEV_UP): eth0: link is not ready
[   14.307345] ADDRCONF(NETDEV_UP): eth0: link is not ready
[   15.642074] i2c i2c-3: sendbytes: NAK bailout.
[   15.644249] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[   15.720805] i2c i2c-3: sendbytes: NAK bailout.
[   15.812597] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[   15.812604] Raw EDID:
[   15.812608]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[   15.812610]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   15.812613]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   15.812615]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   15.812618]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   15.812620]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   15.812622]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   15.812625]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   15.813457] i2c i2c-3: sendbytes: NAK bailout.
[   17.436550] init: plymouth-stop pre-start process (1310) terminated with 
status 1
[   21.358009] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 194
[   21.358015] Raw EDID:
[   21.358019]          00 ff ff ff ff ff ff 00 3f ff ff ff ff ff ff ff
[   21.358021]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.358024]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.358026]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.358028]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.358031]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.358033]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.358035]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.441992] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[   21.441998] Raw EDID:
[   21.442001]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[   21.442004]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.442006]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.442009]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.442011]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.442013]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.442016]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.442018]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   21.442849] i2c i2c-3: sendbytes: NAK bailout.
[   21.445233] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[   24.976007] eth1: no IPv6 routers present
[   40.303964] i2c i2c-3: sendbytes: NAK bailout.
[   40.508532] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[   40.508538] Raw EDID:
[   40.508541]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[   40.508544]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.508547]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.508549]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.508551]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.508554]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.508556]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.508558]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.509389] i2c i2c-3: sendbytes: NAK bailout.
[   40.519942] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[   40.647674] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[   40.647680] Raw EDID:
[   40.647683]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[   40.647686]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.647689]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.647691]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.647693]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.647696]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.647698]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.647700]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   40.649015] i2c i2c-3: sendbytes: NAK bailout.
[   42.970253] i2c i2c-3: sendbytes: NAK bailout.
[   42.972498] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[   77.412118] Marking TSC unstable due to cpufreq changes
[   77.412194] Switching to clocksource acpi_pm
[  150.292317] usb 3-3: USB disconnect, device number 3
[  152.460063] usb 1-6: new high-speed USB device number 7 using ehci_hcd
[  152.645744] Initializing USB Mass Storage driver...
[  152.647060] scsi4 : usb-storage 1-6:1.0
[  152.647249] usbcore: registered new interface driver usb-storage
[  152.647254] USB Mass Storage support registered.
[  153.645146] scsi 4:0:0:0: Direct-Access     Multi    Flash Reader     1.00 
PQ: 0 ANSI: 0
[  153.652956] sd 4:0:0:0: Attached scsi generic sg2 type 0
[  153.903865] sd 4:0:0:0: [sdb] 1951744 512-byte logical blocks: (999 MB/953 
MiB)
[  153.904607] sd 4:0:0:0: [sdb] Write Protect is off
[  153.904614] sd 4:0:0:0: [sdb] Mode Sense: 03 00 00 00
[  153.905348] sd 4:0:0:0: [sdb] No Caching mode page present
[  153.905355] sd 4:0:0:0: [sdb] Assuming drive cache: write through
[  153.909733] sd 4:0:0:0: [sdb] No Caching mode page present
[  153.909742] sd 4:0:0:0: [sdb] Assuming drive cache: write through
[  153.910975]  sdb: sdb1
[  153.913848] sd 4:0:0:0: [sdb] No Caching mode page present
[  153.913857] sd 4:0:0:0: [sdb] Assuming drive cache: write through
[  153.913865] sd 4:0:0:0: [sdb] Attached SCSI removable disk
[  886.737412] sdb: detected capacity change from 999292928 to 0
[  893.665613] usb 1-6: USB disconnect, device number 7
[  911.468048] usb 1-6: new high-speed USB device number 8 using ehci_hcd
[  911.616068] scsi5 : usb-storage 1-6:1.0
[  912.620867] scsi 5:0:0:0: Direct-Access     Multi    Flash Reader     1.00 
PQ: 0 ANSI: 0
[  912.626406] sd 5:0:0:0: Attached scsi generic sg2 type 0
[  913.415591] sd 5:0:0:0: [sdb] 7761920 512-byte logical blocks: (3.97 GB/3.70 
GiB)
[  913.416579] sd 5:0:0:0: [sdb] Write Protect is off
[  913.416586] sd 5:0:0:0: [sdb] Mode Sense: 03 00 00 00
[  913.417318] sd 5:0:0:0: [sdb] No Caching mode page present
[  913.417325] sd 5:0:0:0: [sdb] Assuming drive cache: write through
[  913.422953] sd 5:0:0:0: [sdb] No Caching mode page present
[  913.422962] sd 5:0:0:0: [sdb] Assuming drive cache: write through
[  913.425452]  sdb: sdb1
[  913.430470] sd 5:0:0:0: [sdb] No Caching mode page present
[  913.430481] sd 5:0:0:0: [sdb] Assuming drive cache: write through
[  913.430488] sd 5:0:0:0: [sdb] Attached SCSI removable disk
[ 1423.007345] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 147
[ 1423.007351] Raw EDID:
[ 1423.007354]          00 ff ff ff ff ff ff 00 10 ff ff ff ff ff ff ff
[ 1423.007357]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.007359]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.007362]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.007364]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.007366]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.007369]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.007371]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.120276] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1423.120282] Raw EDID:
[ 1423.120285]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1423.120288]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.120290]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.120293]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.120295]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.120297]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.120300]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.120302]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.121134] i2c i2c-3: sendbytes: NAK bailout.
[ 1423.234494] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1423.234500] Raw EDID:
[ 1423.234503]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1423.234506]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.234508]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.234511]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.234513]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.234516]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.234518]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.234520]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.235352] i2c i2c-3: sendbytes: NAK bailout.
[ 1423.344668] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1423.344674] Raw EDID:
[ 1423.344677]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1423.344680]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.344682]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.344684]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.344687]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.344689]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.344691]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.344694]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.344699] radeon 0000:01:00.0: VGA-1: EDID block 0 invalid.
[ 1423.344703] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[ 1423.345543] i2c i2c-3: sendbytes: NAK bailout.
[ 1423.533651] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1423.533657] Raw EDID:
[ 1423.533661]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1423.533663]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.533666]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.533668]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.533670]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.533673]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.533675]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.533677]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.534509] i2c i2c-3: sendbytes: NAK bailout.
[ 1423.691521] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1423.691527] Raw EDID:
[ 1423.691530]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1423.691533]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.691535]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.691538]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.691540]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.691542]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.691545]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.691547]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.703944] i2c i2c-3: sendbytes: NAK bailout.
[ 1423.864246] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 194
[ 1423.864252] Raw EDID:
[ 1423.864256]          00 ff ff ff ff ff ff 00 3f ff ff ff ff ff ff ff
[ 1423.864258]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.864261]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.864263]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.864265]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.864268]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.864270]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.864272]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1423.865104] i2c i2c-3: sendbytes: NAK bailout.
[ 1424.010632] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 2
[ 1424.010638] Raw EDID:
[ 1424.010641]          00 ff ff ff ff ff ff 00 7f ff ff ff ff ff ff ff
[ 1424.010644]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.010646]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.010649]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.010651]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.010653]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.010656]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.010658]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.010663] radeon 0000:01:00.0: VGA-1: EDID block 0 invalid.
[ 1424.259507] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1424.259514] Raw EDID:
[ 1424.259517]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1424.259520]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.259522]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.259525]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.259527]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.259529]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.259532]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.259534]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1424.260749] i2c i2c-3: sendbytes: NAK bailout.
[ 1424.262800] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[ 1424.376975] [drm:drm_mode_getfb] *ERROR* invalid framebuffer id
[ 1439.898415] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 150
[ 1439.898422] Raw EDID:
[ 1439.898425]          00 ff ff ff ff ff ff 00 13 ff ff ff ff ff ff ff
[ 1439.898428]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.898430]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.898432]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.898435]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.898437]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.898439]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.898442]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.899274] i2c i2c-3: sendbytes: NAK bailout.
[ 1439.975245] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1439.975251] Raw EDID:
[ 1439.975254]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1439.975257]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.975259]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.975262]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.975264]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.975266]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.975269]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.975271]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1439.976610] i2c i2c-3: sendbytes: NAK bailout.
[ 1439.978663] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[ 1440.357195] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1440.357202] Raw EDID:
[ 1440.357205]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1440.357208]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.357210]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.357213]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.357215]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.357217]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.357220]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.357222]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.358054] i2c i2c-3: sendbytes: NAK bailout.
[ 1440.471569] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1440.471575] Raw EDID:
[ 1440.471578]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1440.471581]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.471584]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.471586]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.471588]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.471591]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.471593]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.471595]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.475064] i2c i2c-3: sendbytes: NAK bailout.
[ 1440.579167] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1440.579174] Raw EDID:
[ 1440.579177]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1440.579180]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.579182]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.579185]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.579187]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.579189]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.579192]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.579194]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.580044] i2c i2c-3: sendbytes: NAK bailout.
[ 1440.690857] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1440.690864] Raw EDID:
[ 1440.690867]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1440.690870]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.690872]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.690874]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.690877]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.690879]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.690881]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.690884]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1440.690889] radeon 0000:01:00.0: VGA-1: EDID block 0 invalid.
[ 1440.690894] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[ 1440.691734] i2c i2c-3: sendbytes: NAK bailout.
[ 1461.563581] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1461.563587] Raw EDID:
[ 1461.563590]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1461.563593]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.563596]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.563598]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.563600]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.563603]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.563605]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.563607]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.572486] i2c i2c-3: sendbytes: NAK bailout.
[ 1461.574557] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[ 1461.716652] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1461.716658] Raw EDID:
[ 1461.716662]          01 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.716664]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.716667]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.716669]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.716671]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.716674]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.716676]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.716678]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.789126] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1461.789133] Raw EDID:
[ 1461.789136]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1461.789139]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.789141]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.789144]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.789146]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.789149]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.789151]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.789153]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1461.789985] i2c i2c-3: sendbytes: NAK bailout.
[ 1693.559436] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1693.559442] Raw EDID:
[ 1693.559446]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1693.559449]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.559451]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.559453]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.559456]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.559458]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.559460]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.559463]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.565530] i2c i2c-3: sendbytes: NAK bailout.
[ 1693.719701] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1693.719707] Raw EDID:
[ 1693.719711]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1693.719713]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.719716]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.719718]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.719720]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.719723]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.719725]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.719727]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.840448] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1693.840454] Raw EDID:
[ 1693.840458]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1693.840460]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.840463]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.840465]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.840467]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.840470]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.840472]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.840474]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.945412] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1693.945418] Raw EDID:
[ 1693.945422]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1693.945424]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.945427]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.945429]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.945431]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.945434]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.945436]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.945438]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1693.945444] radeon 0000:01:00.0: VGA-1: EDID block 0 invalid.
[ 1693.945448] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[ 1693.946288] i2c i2c-3: sendbytes: NAK bailout.
[ 1694.062864] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1694.062870] Raw EDID:
[ 1694.062873]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1694.062876]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.062879]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.062881]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.062883]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.062886]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.062888]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.062890]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.063722] i2c i2c-3: sendbytes: NAK bailout.
[ 1694.195328] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1694.195335] Raw EDID:
[ 1694.195338]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1694.195341]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.195343]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.195346]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.195348]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.195350]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.195353]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.195355]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.357102] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1694.357109] Raw EDID:
[ 1694.357112]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1694.357115]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.357117]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.357120]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.357122]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.357124]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.357127]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.357129]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.357961] i2c i2c-3: sendbytes: NAK bailout.
[ 1694.526326] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 147
[ 1694.526333] Raw EDID:
[ 1694.526336]          00 ff ff ff ff ff ff 00 10 ff ff ff ff ff ff ff
[ 1694.526338]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.526341]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.526343]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.526346]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.526348]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.526350]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.526353]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.526358] radeon 0000:01:00.0: VGA-1: EDID block 0 invalid.
[ 1694.831551] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1694.831558] Raw EDID:
[ 1694.831562]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1694.831564]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.831567]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.831569]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.831571]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.831574]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.831576]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.831578]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1694.832769] i2c i2c-3: sendbytes: NAK bailout.
[ 1694.834819] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[ 1694.948659] [drm:drm_mode_getfb] *ERROR* invalid framebuffer id
[ 1706.955993] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 128
[ 1706.956018] Raw EDID:
[ 1706.956021]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1706.956024]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1706.956027]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1706.956029]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1706.956031]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1706.956034]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1706.956036]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1706.956038]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1706.959377] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[ 1707.424482] i2c i2c-3: sendbytes: NAK bailout.
[ 1721.596331] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, 
remainder is 130
[ 1721.596337] Raw EDID:
[ 1721.596340]          00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 1721.596343]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1721.596345]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1721.596347]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1721.596350]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1721.596352]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1721.596355]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1721.596357]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1721.599208] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[ 1728.566667] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but 
no|invalid EDID
[ 2443.451003] sdb: detected capacity change from 3974103040 to 0
[ 2448.616559] usb 1-6: USB disconnect, device number 8
[ 2460.264047] usb 1-6: new high-speed USB device number 9 using ehci_hcd
[ 2460.412143] scsi6 : usb-storage 1-6:1.0
[ 2461.416680] scsi 6:0:0:0: Direct-Access     Multi    Flash Reader     1.00 
PQ: 0 ANSI: 0
[ 2461.422328] sd 6:0:0:0: Attached scsi generic sg2 type 0
[ 2461.670913] sd 6:0:0:0: [sdb] 1951744 512-byte logical blocks: (999 MB/953 
MiB)
[ 2461.671640] sd 6:0:0:0: [sdb] Write Protect is off
[ 2461.671648] sd 6:0:0:0: [sdb] Mode Sense: 03 00 00 00
[ 2461.672651] sd 6:0:0:0: [sdb] No Caching mode page present
[ 2461.672658] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 2461.677778] sd 6:0:0:0: [sdb] No Caching mode page present
[ 2461.677788] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 2461.679013]  sdb: sdb1
[ 2461.684155] sd 6:0:0:0: [sdb] No Caching mode page present
[ 2461.684167] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 2461.684175] sd 6:0:0:0: [sdb] Attached SCSI removable disk
[ 2508.367738] sdb: detected capacity change from 999292928 to 0
[ 2515.643210] usb 1-6: USB disconnect, device number 9
[ 2704.350213] eth0:  setting half-duplex.
[ 2704.351377] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 2715.344051] eth1: no IPv6 routers present

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers in Ubuntu.
https://bugs.launchpad.net/bugs/980519

Title:
  Random log off in Ubuntu 12.04 LTS

Status in Unity:
  Fix Released
Status in “nvidia-graphics-drivers” package in Ubuntu:
  Fix Released
Status in “xorg” package in Ubuntu:
  Fix Released
Status in Fedora:
  New

Bug description:
  I get logged off from Ubuntu sometimes. There is no error message or
  any indication that it is going to log off. The screen goes black, and
  after 2-4 seconds, i get presented with the Ubuntu Log On Screen.

  There is no clear pattern (or at least if have not noticed any). One
  time i am working with Netbeans, another time i am using firefox. This
  also means that at present i can not clearly say what package might be
  causing this behaviour.

  I am fairly sure the problem lies in 12.04 (or more precise - the
  combination of 12.04 and the hardware i am using). I do not have the
  same problem running 11.04 or 11.10.

To manage notifications about this bug go to:
https://bugs.launchpad.net/unity/+bug/980519/+subscriptions

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