problems with cirrusfb.ko
I've reported this to linux-fbdev-users@lists.sourceforge.net but
wondered if anyone has experienced any successes or failures in using
framebuffer support with the Cirrus Logic GD 5465 [Laguna] VGA card.
Arthur.
Arthur Marsh wrote, on 2008-08-20 16:23:
> > I'm running the Linux kernel 2.6.27-rc3. When trying to load
cirrusfb.ko
> > I received the following dmesg output:
> >
> > [ 6185.202286] CLgenfb: Unknown memory size!
> > [ 6185.202286] RAM (1024 kB) at 0xe4000000, Cirrus Logic chipset on
PCI bus
> > [ 6185.202286] cirrusfb: Driver for Cirrus Logic based graphic boards,
> > v2.0-pre2
> > [ 6185.206301] cirrusfb: Warning: Unknown board type
> > [ 6185.206301] cirrusfb: This board has 1048576 bytes of DRAM memory
> > [ 6185.206301] cirrusfb: Warning: Unknown board type
> > [ 6185.210294] cirrusfb: This board has 1048576 bytes of DRAM memory
> > [ 6185.210294] Console: switching to colour frame buffer device 80x30
> > [ 6257.515628] cirrusfb: Warning: Unknown board type
> > [ 6257.519638] cirrusfb: This board has 1048576 bytes of DRAM memory
> >
> > This board is identified as:
> >
> > 01:00.0 VGA compatible controller: Cirrus Logic GD 5465 [Laguna]
(rev 03)
> > Subsystem: Cirrus Logic Device 0000
> > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
> > ParErr- Stepping- SERR- FastB2B- DisINTx-
> > Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium
> > >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> > Latency: 64 (4000ns min, 4000ns max)
> > Interrupt: pin A routed to IRQ 11
> > Region 0: Memory at e4000000 (32-bit, non-prefetchable)
[size=32M]
> > Region 1: Memory at e7000000 (32-bit, non-prefetchable)
[size=64K]
> > [virtual] Expansion ROM at 20000000 [disabled] [size=32K]
> > Capabilities: [80] AGP version 1.0
> > Status: RQ=1 Iso- ArqSz=0 Cal=0 SBA- ITACoh- GART64-
> > HTrans- 64bit- FW- AGP3- Rate=<none>
> > Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP- GART64- 64bit-
> > FW- Rate=<none>
> > Kernel driver in use: cirrusfb
> > Kernel modules: cirrusfb
> >
> > I've tried enabling the 15-16 MB memory hole in the BIOS, but I'm
still
> > not getting anything visible when I switch away from vt7.
> >
> > Any suggestions? (I'd like to run a radeon 9200 or 9600 but have
yet to
> > find one).
> >
A few more pieces of information:
Xorg reports:
X.org VideoRAM: 4096 kByte
The motherboard is an Intel 440LX, and the kernel is using the Debian
config options, with 686 architecture and "low latency desktop" selected.
Arthur.
Reply to: