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Sebastian 01-28-2010 12:54 AM

rollback X, SIS671/771
 
Hello all

I have a SIS 671/771 graphics card in my laptop (Fujitsu Esprimo
v5535) which has always given me grief. It was running smoothly with
resolution up to 1024x800 however with a driver I downloaded from the
net[1] on my debian squeeze/sid (apt prefers testing).

After the xorg update from last night though the downloaded driver
(sisimedia) stopped working and even after a good bit of fiddling with
xorg.conf I only get the vesa-driver running (800x600). Which is - of
course - not very nice...

So, two questions:

1. How can I rollback my X to the way it was before?
2. Anybody had any success with the mentioned graphics card?

TIA, Sebastian

[1] http://ncc-1701a.homelinux.net/~linux-sis/index.php?page=Downloads

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"These are DARK TIMES for FREEDOM and PROSPERITY!"
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Florian Reitmeir 01-28-2010 09:54 AM

rollback X, SIS671/771
 
Hi,

http://snapshot.debian.net/

On Thu, 28 Jan 2010, Sebastian wrote:


I have a SIS 671/771 graphics card in my laptop (Fujitsu Esprimo
v5535) which has always given me grief. It was running smoothly with
resolution up to 1024x800 however with a driver I downloaded from the
net[1] on my debian squeeze/sid (apt prefers testing).

After the xorg update from last night though the downloaded driver
(sisimedia) stopped working and even after a good bit of fiddling with
xorg.conf I only get the vesa-driver running (800x600). Which is - of
course - not very nice...

So, two questions:

1. How can I rollback my X to the way it was before?
2. Anybody had any success with the mentioned graphics card?


--
Florian Reitmeir


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Florian Reitmeir 01-28-2010 09:54 AM

rollback X, SIS671/771
 
Hi,

http://snapshot.debian.net/

On Thu, 28 Jan 2010, Sebastian wrote:


I have a SIS 671/771 graphics card in my laptop (Fujitsu Esprimo
v5535) which has always given me grief. It was running smoothly with
resolution up to 1024x800 however with a driver I downloaded from the
net[1] on my debian squeeze/sid (apt prefers testing).

After the xorg update from last night though the downloaded driver
(sisimedia) stopped working and even after a good bit of fiddling with
xorg.conf I only get the vesa-driver running (800x600). Which is - of
course - not very nice...

So, two questions:

1. How can I rollback my X to the way it was before?
2. Anybody had any success with the mentioned graphics card?


--
Florian Reitmeir


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"David L. Craig" 01-28-2010 10:06 AM

rollback X, SIS671/771
 
On Thu, Jan 28, 2010 at 01:54:37AM +0000, Sebastian wrote:
>
> I have a SIS 671/771 graphics card in my laptop (Fujitsu Esprimo
> v5535) which has always given me grief. It was running smoothly with
> resolution up to 1024x800 however with a driver I downloaded from the
> net[1] on my debian squeeze/sid (apt prefers testing).
>
> After the xorg update from last night though the downloaded driver
> (sisimedia) stopped working and even after a good bit of fiddling with
> xorg.conf I only get the vesa-driver running (800x600). Which is - of
> course - not very nice...
>
> So, two questions:
>
> 1. How can I rollback my X to the way it was before?
> 2. Anybody had any success with the mentioned graphics card?

1. I have an S3Virage that incurred similar issues. I have
backed up all my filesystems, freed up the space, and installed
a fresh Lenny with good results so far. Hopefully I will not
have time to debug further but if I do, I will follow-up on d-u.

2. I am satisfied the graphics hardware is still functional. I
am not sure whether the issue is in the 2.6.32 kernel or Xorg.
I do know 2.6.32 breaks my old SCSI support! Sid has finally
forced me to return to the good old days. And my Lenny install
was not a piece of cake for this experienced sysadmin. "I KNOW
engineers--they LOVE to change things!" --Leonard McCoy, M.D.
--
May the LORD God bless you exceedingly abundantly!

Dave_Craig________________________________________ ______
"'So the universe is not quite as you thought it was.
You'd better rearrange your beliefs, then.
Because you certainly can't rearrange the universe.'"
__--from_Nightfall_by_Asimov/Silverberg_________________


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"David L. Craig" 01-28-2010 10:06 AM

rollback X, SIS671/771
 
On Thu, Jan 28, 2010 at 01:54:37AM +0000, Sebastian wrote:
>
> I have a SIS 671/771 graphics card in my laptop (Fujitsu Esprimo
> v5535) which has always given me grief. It was running smoothly with
> resolution up to 1024x800 however with a driver I downloaded from the
> net[1] on my debian squeeze/sid (apt prefers testing).
>
> After the xorg update from last night though the downloaded driver
> (sisimedia) stopped working and even after a good bit of fiddling with
> xorg.conf I only get the vesa-driver running (800x600). Which is - of
> course - not very nice...
>
> So, two questions:
>
> 1. How can I rollback my X to the way it was before?
> 2. Anybody had any success with the mentioned graphics card?

1. I have an S3Virage that incurred similar issues. I have
backed up all my filesystems, freed up the space, and installed
a fresh Lenny with good results so far. Hopefully I will not
have time to debug further but if I do, I will follow-up on d-u.

2. I am satisfied the graphics hardware is still functional. I
am not sure whether the issue is in the 2.6.32 kernel or Xorg.
I do know 2.6.32 breaks my old SCSI support! Sid has finally
forced me to return to the good old days. And my Lenny install
was not a piece of cake for this experienced sysadmin. "I KNOW
engineers--they LOVE to change things!" --Leonard McCoy, M.D.
--
May the LORD God bless you exceedingly abundantly!

Dave_Craig________________________________________ ______
"'So the universe is not quite as you thought it was.
You'd better rearrange your beliefs, then.
Because you certainly can't rearrange the universe.'"
__--from_Nightfall_by_Asimov/Silverberg_________________


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Stephen Powell 01-28-2010 01:44 PM

rollback X, SIS671/771
 
On Thu, 28 Jan 2010 06:06:01 -0500, David L. Craig wrote:
> 1. I have an S3Virage that incurred similar issues. I have
> backed up all my filesystems, freed up the space, and installed
> a fresh Lenny with good results so far. Hopefully I will not
> have time to debug further but if I do, I will follow-up on d-u.
>
> 2. I am satisfied the graphics hardware is still functional. I
> am not sure whether the issue is in the 2.6.32 kernel or Xorg.
> I do know 2.6.32 breaks my old SCSI support! Sid has finally
> forced me to return to the good old days. And my Lenny install
> was not a piece of cake for this experienced sysadmin.

According to Ron Lee, Debian package maintainer for the
svgatextmode package, recent Linux kernels have taken over direct
control of the video hardware, and recent releases of X now make
system calls to the kernel to change video modes. He refers to
it as "Kernel Modesetting Stuff" (KMS). I don't know if that is
any kind of official designation or if that's just his pet name
for it. With such a massive migration of code from one place
to another, we can probably expect some problems in this area.
Fortunately, it does not appear to affect my system, which uses
an Nvidia TNT2 chipset. This change ultimately let to
svgatextmode being dropped from the archive for Squeeze. :-(

Perhaps someone else who knows more about it and is listening
can elaborate. I'm not saying that this change is the cause of
your problem, but it would be the first thing that I would
suspect. A similar thing occurred a while back when a lot of
mouse code migrated from gpm to the kernel itself.


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"David L. Craig" 01-29-2010 01:15 AM

rollback X, SIS671/771
 
On Thu, Jan 28, 2010 at 09:44:55AM -0500, Stephen Powell wrote:
>
> According to Ron Lee, Debian package maintainer for the
> svgatextmode package, recent Linux kernels have taken over direct
> control of the video hardware, and recent releases of X now make
> system calls to the kernel to change video modes. He refers to
> it as "Kernel Modesetting Stuff" (KMS). I don't know if that is
> any kind of official designation or if that's just his pet name
> for it. With such a massive migration of code from one place
> to another, we can probably expect some problems in this area.
> Fortunately, it does not appear to affect my system, which uses
> an Nvidia TNT2 chipset. This change ultimately let to
> svgatextmode being dropped from the archive for Squeeze. :-(
>
> Perhaps someone else who knows more about it and is listening
> can elaborate. I'm not saying that this change is the cause of
> your problem, but it would be the first thing that I would
> suspect. A similar thing occurred a while back when a lot of
> mouse code migrated from gpm to the kernel itself.

Thank for that information. I must be missing a crucial list
subscription as I haven't heard any of this. I'm not complaining
about the instability, merely mentioning my experiences in case
they might be helpful to others. I still need to research "sd"
driver changes since 2.6.26 to determine if the lifespan of my
ancient HW will only be extended by my own driver hacking skills.
While that sounds like it would be fun, I would first need to
acquire such skills and time to do so is an issue these days.
--
May the LORD God bless you exceedingly abundantly!

Dave_Craig________________________________________ ______
"'So the universe is not quite as you thought it was.
You'd better rearrange your beliefs, then.
Because you certainly can't rearrange the universe.'"
__--from_Nightfall_by_Asimov/Silverberg_________________


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Stephen Powell 01-29-2010 01:49 AM

rollback X, SIS671/771
 
On Thu, 28 Jan 2010 21:15:02 -0500, David L. Craig wrote:
> On Thu, Jan 28, 2010 at 09:44:55AM -0500, Stephen Powell wrote:
> > According to Ron Lee, Debian package maintainer for the
> > svgatextmode package, recent Linux kernels have taken over direct
> > control of the video hardware, and recent releases of X now make
> > system calls to the kernel to change video modes. He refers to
> > it as "Kernel Modesetting Stuff" (KMS).
>
> Thank for that information. I must be missing a crucial list
> subscription as I haven't heard any of this.

A Google search of the internet using the keywords

linux kernel KMS

produced about 136,000 hits; so it's not a secret. But I hadn't
heard about it either until I found out from Ron.


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Osamu Aoki 01-29-2010 02:12 PM

rollback X, SIS671/771
 
Hi,

On Thu, Jan 28, 2010 at 09:15:02PM -0500, David L. Craig wrote:
> On Thu, Jan 28, 2010 at 09:44:55AM -0500, Stephen Powell wrote:
> >
> > According to Ron Lee, Debian package maintainer for the
...
> > it as "Kernel Modesetting Stuff" (KMS). I don't know if that is

http://en.wikipedia.org/wiki/Mode-setting
...
> Thank for that information. I must be missing a crucial list
> subscription as I haven't heard any of this.

If you are running Debian testing/unstable, please subscribe and listen
to what Developers are talking at

debian-devel@lists.debian.org
debian-devel-announce@lists.debian.org

Asking debian-user question is not appreciated there but they talk about
major migration issues there. You can quietly listen...

Osamu

PS: Squeeze release contains many major changes. It has been rough...
at least for me.


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"David L. Craig" 01-29-2010 02:31 PM

rollback X, SIS671/771
 
On Sat, Jan 30, 2010 at 12:12:32AM +0900, Osamu Aoki wrote:
>
> If you are running Debian testing/unstable, please subscribe and listen
> to what Developers are talking at
>
> debian-devel@lists.debian.org
> debian-devel-announce@lists.debian.org

Ah, somehow I have overlooked d-d-a all these years. Now to
read its archives...

> PS: Squeeze release contains many major changes. It has been rough...
> at least for me.

Well, yeah, that's what we signed up for, after all.
However, one _does_ get used to unrealisticly
normally high quality in beta packages to the point
of ascribing dependability to even Sid, even though
we know better. Microsoft could learn a lot from
Debian developers, I think.
--
May the LORD God bless you exceedingly abundantly!

Dave_Craig________________________________________ ______
"'So the universe is not quite as you thought it was.
You'd better rearrange your beliefs, then.
Because you certainly can't rearrange the universe.'"
__--from_Nightfall_by_Asimov/Silverberg_________________


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