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SubjectRe: SiS630 and 5591/5592 AGP
> >My new laptop has this combination and the sis framebuffer driver
> >mangles the display. The sis X driver produces a nice lavalamp style
> >pattern that fades to white, the kernel stays alive but the machine
> >needs a reboot to fix the display in both cases.
> >
> >Im guessing the lack of 5591/5592 AGP support is the problem, and I
> >was just wondering if anyone is working on this or should i go bug SiS?
>
> You've got the same problem I have. There is something weird with the way
> some laptops (and LCD based desktops) handle this display, and the only way
> I've gotten around it is to use the VesaFB driver (which is heaps slower
> than the accelerated driver), and then either use the FB driver for X
> (which is buggy IMHO, crashes if it gets too much to do buffered up), or
> disable the mode changes and use the SiS accelerated X driver.

Im currently using vesa for X, I would like to get some kind of acceleration
to play DVD's etc. I've tried the sis_drv in X 4.1 with the lavalamp
style effect i mentioned, the sis driver in X3.x gets the screen offset
totally wrong, ie the center of the screen is on the far right of the
physical screen, but this is a problem i can direct to the X lists.

> Alan has new drivers in his ac tree. but I've tried them, and no luck. Give
> them a shot and see how you go. You might be lucky.

This is on 2.4.13-ac8, sisfb also messes up the screen offset,
CONFIG_AGP_SIS is turned off as Configure.help mentions it doesn't
support the 5591/5592.

> Out of interest, what model/manufacturer is the notebook? The machines I'm
> having problems with are Clevo LP200S's, which is an upright LCD machine,
> with the h/drive and power supply down in the stand/foot.

This is an "Advent 5490", which i think is Pc-World(tm)'s own brand name
they've applied to an oem laptop made by someone else, but i could have
this the wrong way around/totally wrong. It's a 900mhz celeron (coppermine),
SiS everything.

Im sure other laptops with different badges on them will have the same
internals.

> Once we get everything working with Linux, they'll suit the application we
> have for them rather nicely. *sigh*

I've mailed SiS asking them if they have any support planned, no reply
as yet, heres to hoping...

> Q: Slightly related, have you gotten the sound to work? Driver loads, I get
> "Unknown Codec" and an empty codec value. Reloading the driver makes no
> difference (even numerous times). Wondering if your system is the same...

Everything else (except the software modem, which i have no use for)
worked straight out of the tin with RedHat 7.2's vanilla kernel. Im
current using Alans 2.4.13-ac8:

/sbin/modprobe trident

Trident 4DWave/SiS 7018/ALi 5451,Tvia CyberPro 5050 PCI Audio, version
0.14.9d,
23:06:41 Nov 11 2001
PCI: Found IRQ 11 for device 00:01.4
PCI: Sharing IRQ 11 with 00:03.0
trident: SiS 7018 PCI Audio found at IO 0xd400, IRQ 11
ac97_codec: AC97 Audio codec, id: 0x414c:0x4710 (ALC200/200P)
ac97_codec: AC97 Modem codec, id: 0x5349:0x4c22 (Silicon Laboratory
Si3036)

It works perfectly, as does the NIC.

Cheers, Gavin Baker
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