Public bug reported:
I installed Ubuntu 9.04 (Jaunty) final release on an HP Elitebook 6930p
laptop with Radeon HD 3450 display controller. As it was configured by
default, it always crashed (screen entirely black, not responding to
pings) on resume from suspend.
I used the "Hardware Drivers" applet to install the proprietary fglrx
driver; now suspend/resume works.
I don't know exactly what driver it had chosen by default before I
installed the proprietary one, but dpkg -l tells me I have xserver-xorg-
video-radeon and not xserver-xorg-video-radeonhd installed, so probably
the -radeon one.
Here's the lspci output for the display controller:
01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon HD 3400
Series
Subsystem: Hewlett-Packard Company Device 30dc
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 2295
Region 0: Memory at c0000000 (32-bit, prefetchable) [size=256M]
Region 1: I/O ports at 7000 [size=256]
Region 2: Memory at d8300000 (32-bit, non-prefetchable) [size=64K]
Expansion ROM at d8320000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: fglrx_pci
Kernel modules: fglrx
** Affects: ubuntu
Importance: Undecided
Status: New
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default radeon driver prevents resume from suspend on hp elitebook 6930p
https://bugs.launchpad.net/bugs/370074
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