Hi,
I have been able to run the SVGA server ( the one in Xfree86 3.3.6,
that came along with redhat 6.2 ) with 800x600 (16bpp) & 1024x768
(8bpp) modes on my cirrus logic 5434 with 1 mb vram.
However after my upgrade to redhat 7.1 and Xfree86 4.0.2, i have'nt been
able to get any 16 bpp modes & 1024x768 modes. my earlier XF6Config
does'nt work any more. i have got back 800x600(8bpp) but that seems to be
the maximum this SVGA server can give, both in terms of color depth &
resolution.
Here is some information that startx spits out when i asked for 800x600
(16bpp):
(II) CIRRUS: driver for Cirrus chipsets: CLGD5430, CLGD5434-4, CLGD5434-8,
CLGD5436, CLGD5446, CLGD5480, CL-GD5462, CL-GD5464, CL-GD5464BD,
CL-GD5465, CL-GD7548
(--) Assigning device section with no busID to primary device
(--) Chipset CLGD5434-8 found
(II) Loading /usr/X11R6/lib/modules/drivers/cirrus_alpine.o
(II) Module cirrus_alpine: vendor="The XFree86 Project"
compiled for 4.0.1c, module version = 1.0.0
(II) Loading /usr/X11R6/lib/modules/libvgahw.a
(II) Module vgahw: vendor="The XFree86 Project"
compiled for 4.0.3, module version = 0.1.0
(II) Loading /usr/X11R6/lib/modules/linux/libint10.a
(II) Module int10: vendor="The XFree86 Project"
compiled for 4.0.3, module version = 1.0.0
(II) CIRRUS(0): initializing int10
(II) CIRRUS(0): Primary V_BIOS segment is: 0xc000
(**) CIRRUS(0): Depth 16, (--) framebuffer bpp 16
(==) CIRRUS(0): RGB weight 565
(==) CIRRUS(0): Default visual is TrueColor
(**) CIRRUS(0): Using HW cursor
(--) CIRRUS(0): Linear framebuffer at 0xE0000000
(EE) CIRRUS(0): No valid MMIO address in PCI config space
(EE) CIRRUS(0): I2C initialization failed
(==) CIRRUS(0): Using gamma correction (1.0, 1.0, 1.0)
(**) CIRRUS(0): VideoRAM: 1024 kByte
(==) CIRRUS(0): Min pixel clock is 12 MHz
(--) CIRRUS(0): Max pixel clock is 50 MHz
(II) CIRRUS(0): Samtron SC-528TXL: Using hsync value of 37.80 kHz
(II) CIRRUS(0): Samtron SC-528TXL: Using vrefresh value of 60.00 Hz
(EE) CIRRUS(0): Virtual size (800x600) (pitch 1024) exceeds video memory
what does that last message mean ? 800 x 600 x 2 bytes = 960000b for
which my 1 mb vram should be adequate.
can anyone help me ? i did read somewhere, that when my card is at the
14mb point in address space, 16bpp is'nt possible -- but it did work on my
old redhat 6.2 -- that is why i think it is some configuration screwup.
bye,
kjk
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