vesafb on Savage4

I have got a video card which identifies itself (before BIOS boots) as
S3 86C395/396/397. 

My lspci -vv output is:

0000:01:00.0 VGA compatible controller: S3 Inc. Savage 4 (rev 02) (prog-if 00 [VGA])
        Subsystem: S3 Inc. 86C394-397 Savage4
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Latency: 248 (1000ns min, 63750ns max), Cache Line Size: 0x08 (32 bytes)
        Interrupt: pin A routed to IRQ 11
        Region 0: Memory at d9000000 (32-bit, non-prefetchable) [size=512K]
        Region 1: Memory at d0000000 (32-bit, prefetchable) [size=128M]
        Capabilities: [dc] Power Management version 1
                Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [80] AGP version 2.0
                Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA- ITACoh- GART64- HTrans- 64bit- FW- AGP3- Rate=x1,x2,x4
                Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP- GART64- 64bit- FW- Rate=<none>

The kernel is installed from a binary:
http://ftp.pl.debian.org/debian/pool/main/k/kernel-image-2.6.7-i386/kernel-image-2.6.7-1-k7_2.6.7-2_i386.deb

When the system is booted, in /var/log/kern.log there is:

Aug  3 13:52:19 localhost kernel: vesafb: probe of vesafb0 failed with error -6

przehyba:~# modprobe vesafb
przehyba:~# lsmod | grep vesafb
vesafb                  6688  0
cfbcopyarea             3776  1 vesafb
cfbimgblt               3072  1 vesafb
cfbfillrect             3712  1 vesafb
przehyba:~# cat /proc/fb
przehyba:~# fbset
open /dev/fb0: No such device
przehyba:~# ls -l /dev/fb0
crw-rw----  1 root video 29, 0 Aug  2 23:45 /dev/fb0
przehyba:~#

From these posts I can see that vesafb does work on Savage cards:

http://www.directfb.org/mailinglists/directfb-dev/2003/06-2003/msg00007.html
http://www.ussg.iu.edu/hypermail/linux/kernel/0011.0/0263.html

If I try savagefb, I get the same error that is decribed here:

http://www.directfb.org/mailinglists/directfb-dev/2003/09-2003/msg00044.html

How can I get any framebuffer working on this card?

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On Tuesday 03 August 2004 18:43, Miernik wrote:

Aug  3 13:52:19 localhost kernel: vesafb: probe of vesafb0 failed with
error -6

The error is -ENXIO and in vesafb it means that your graphics card failed to 
go to graphics mode.

Can you post your dmesg and kernel config?

Tony




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Antonino A. Daplas [off-list ref] wrote:

On Tuesday 03 August 2004 18:43, Miernik wrote:

quoted

Aug  3 13:52:19 localhost kernel: vesafb: probe of vesafb0 failed with
error -6

The error is -ENXIO and in vesafb it means that your graphics card 
failed to go to graphics mode.

Can you post your dmesg and kernel config?

http://www.miernik.ctnet.pl/problems/savage4-fb/

It finally worked, when I added
vga=0x314 video=vesa:mtrr,ywrap 
to my kernel parameters. 

With only vga=8 as a kernel parameters, and then trying
modprobe vesafb
fbset
it didn't want to work, should it?

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On Tuesday 03 August 2004 20:53, Miernik wrote:

Antonino A. Daplas [off-list ref] wrote:

quoted

On Tuesday 03 August 2004 18:43, Miernik wrote:

quoted

Aug  3 13:52:19 localhost kernel: vesafb: probe of vesafb0 failed with
error -6

The error is -ENXIO and in vesafb it means that your graphics card
failed to go to graphics mode.

Can you post your dmesg and kernel config?

http://www.miernik.ctnet.pl/problems/savage4-fb/

It finally worked, when I added
vga=0x314 video=vesa:mtrr,ywrap
to my kernel parameters.

With only vga=8 as a kernel parameters, and then trying
modprobe vesafb
fbset
it didn't want to work, should it?

No, the stock kernel vesafb cannot be compiled as a module, nor can you use 
fbset, unless the distribution patched the kernel with a modified vesafb (ie, 
vesafb-tng).

Tony




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