It seems that KMS is causing problems on Compaq Evo N1015v as well. Screen freezes after some time. Compiz was extremely slow so I disabled it.
Running sudo lshw -c video with KMS enabled froze the computer as well.
$ sudo lshw -c video [sudo] password for matej: *-display UNCLAIMED description: VGA compatible controller product: Radeon Mobility U1 vendor: ATI Technologies Inc physical id: 5 bus info: pci@0000:01:05.0 version: 00 width: 32 bits clock: 66MHz capabilities: agp agp-2.0 pm bus_master cap_list configuration: latency=66 mingnt=8 resources: memory:f0000000-f7ffffff(prefetchable) ioport:9000(size=256) memory:e8100000-e810ffff memory:e8120000-e813ffff(prefetchable)
$ lspci | grep ATI 00:00.0 Host bridge: ATI Technologies Inc AGP Bridge [IGP 320M] (rev 13) 00:01.0 PCI bridge: ATI Technologies Inc PCI Bridge [IGP 320M] (rev 01) 01:05.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility U1
It seems that KMS is causing problems on Compaq Evo N1015v as well. Screen freezes after some time. Compiz was extremely slow so I disabled it.
Running sudo lshw -c video with KMS enabled froze the computer as well.
$ sudo lshw -c video
capabilities: agp agp-2.0 pm bus_master cap_list
configuration: latency=66 mingnt=8 f0000000- f7ffffff( prefetchable) ioport: 9000(size= 256) memory: e8100000- e810ffff memory: e8120000- e813ffff( prefetchable)
[sudo] password for matej:
*-display UNCLAIMED
description: VGA compatible controller
product: Radeon Mobility U1
vendor: ATI Technologies Inc
physical id: 5
bus info: pci@0000:01:05.0
version: 00
width: 32 bits
clock: 66MHz
resources: memory:
$ lspci | grep ATI
00:00.0 Host bridge: ATI Technologies Inc AGP Bridge [IGP 320M] (rev 13)
00:01.0 PCI bridge: ATI Technologies Inc PCI Bridge [IGP 320M] (rev 01)
01:05.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility U1