Comment 53 for bug 148408

I have same problem on my thinkpad x22. There is more detailed log(i got it over serial console on com port of UltraBase X2).

Lastest log messages is :

<<here I go to vt from X>>

(II) RADEON(0): RADEONLeaveVT
(II) RADEON(0): RADEONRestore
disable montype: 2
(II) RADEON(0): RADEONRestoreMemMapRegisters() :
(II) RADEON(0): MC_FB_LOCATION : 0xffff0000 0xe3ffe000
(II) RADEON(0): MC_AGP_LOCATION : 0x003fffc0
(II) RADEON(0): Map Changed ! Applying ...
(II) RADEON(0): Map applied, resetting engine ...
(II) RADEON(0): Updating display base addresses...
(II) RADEON(0): Memory map updated.
(II) RADEON(0): Programming CRTC2, offset: 0x40000000
(II) RADEON(0): Wrote2: 0x00000000 0x00000000 0x00000000 (0x00004c00)
(II) RADEON(0): Wrote2: rd=0, fd=0, pd=0
finished PLL2
(II) RADEON(0): Programming CRTC1, offset: 0x00000000
Entering Restore TV
Restore TV PLL
Restore TVHV
Restore TV Restarts
Restore Timing Tables
Restore TV standard
Leaving Restore TV
(II) RADEON(0): Ok, leaving now...

<<here I go to X from vt>>

(II) Open ACPI successful (/var/run/acpid.socket)
(II) RADEON(0): RADEONEnterVT
(WW) RADEON(0): zero MEMSIZE, probably at D3cold. Re-POSTing via int10.
(II) RADEON(0): Primary V_BIOS segment is: 0xc000

<<here is freezing>>

Also, those parameters is not helped:
Option "DRI" "false"
Option "BusType" "PCI"
Option "AGPMode" "4"
Option "VGAAccess" "FALSE"