Re: Upgrade to Jessie lost all monitor resolutions except 1024x768

[Marc Shapiro <marcnshap@gmail.com>]

On 11/30/2015 05:27 PM, Marc Shapiro wrote:
> On 11/30/2015 05:24 PM, Lisi Reisz wrote:
> > On Tuesday 01 December 2015 01:10:33 Marc Shapiro wrote:
> > > On 11/30/2015 04:45 PM, Mike Kupfer wrote:
> > > > Marc Shapiro wrote:
> > > > > On 11/30/2015 04:01 PM, Mike Kupfer wrote:
> > > > > > - Boot a Live image and see what resolution it gives you.
> > > > > I can still boot into Wheezy and get 1920x1080.
> > > > I meant a Jessie Live image.
> > > >
> > > > Though given that you didn't find an old xorg.conf file, the odds 
> > > > of the
> > > > Live image doing something different seem pretty slim.
> > > >
> > > > I agree with Felix's recommendation to post information about the
> > > > graphics card and at least the Jessie X log file (having both the 
> > > > Jessie
> > > > and Wheezy log files would be better).
> > > >
> > > > regards,
> > > > mike
> > > I have a copy of Xorg.0.log for both Wheezy and Jessie.  How do I post
> > > them to paste.debian.net?
> > >
> > > Marc
> > Just send them here so that all of us and the archives can see them.
> >
> > Lisi
> OK.  Here they are.  I hope someone can make better sense of them than 
> I can.  Log files are not my friend.
>
> Marc
Alright.  Knowing nothing about the inner workings of X, I can at least 
look through the two log files (in my previous post) and see where they 
suddenly go in very different directions.

Using the numbers down the left-hand side of the logs (I don't know what 
they actually are, but they seem to be ascending, so I will use them as 
markers), at 32.959 in the Wheezy log and at 2271.289 in the Jessie log 
they both say:

    (++) using VT number 7

a few lines below that, in the Wheezy log:


[    32.974] (II) Module fbdevhw: vendor="X.Org Foundation"
[    32.974]    compiled for 1.12.4, module version = 0.0.2
[    32.974]    ABI class: X.Org Video Driver, version 12.1
[    32.975] (II) RADEON(0): TOTO SAYS 00000000fddc0000
[    32.975] (II) RADEON(0): MMIO registers at 0x00000000fddc0000: size 
128KB
[    32.975] (II) RADEON(0): PCI bus 1 card 0 func 0
[    32.975] (II) RADEON(0): Creating default Display subsection in 
Screen section
        "Default Screen Section" for depth/fbbpp 24/32
[    32.975] (==) RADEON(0): Depth 24, (--) framebuffer bpp 32
[    32.975] (II) RADEON(0): Pixel depth = 24 bits stored in 4 bytes (32 
bpp pixmaps)
[    32.975] (==) RADEON(0): Default visual is TrueColor

    SKIP

[    33.024] (II) RADEON(0): Detected total video RAM=1048576K, 
accessible=262144K (PCI BAR=262144K)

and in the Jessie log:

[  2271.291] (II) Module fbdevhw: vendor="X.Org Foundation"
[  2271.291]    compiled for 1.16.4, module version = 0.0.2
[  2271.291]    ABI class: X.Org Video Driver, version 18.0
[  2271.291] (**) FBDEV(2): claimed PCI slot 1@0:0:0
[  2271.291] (II) FBDEV(2): using default device
[  2271.291] (WW) Falling back to old probe method for vesa
[  2271.291] (EE) Screen 0 deleted because of no matching config section.
[  2271.291] (II) UnloadModule: "radeon"
[  2271.291] (EE) Screen 0 deleted because of no matching config section.
[  2271.291] (II) UnloadModule: "modesetting"
[  2271.291] (II) FBDEV(0): Creating default Display subsection in 
Screen section
        "Default Screen Section" for depth/fbbpp 16/16
[  2271.291] (==) FBDEV(0): Depth 16, (==) framebuffer bpp 16
[  2271.291] (==) FBDEV(0): RGB weight 565
[  2271.291] (==) FBDEV(0): Default visual is TrueColor
[  2271.291] (==) FBDEV(0): Using gamma correction (1.0, 1.0, 1.0)
[  2271.291] (II) FBDEV(0): hardware: simple (video memory: 1536kB)
[  2271.291] (II) FBDEV(0): checking modes against framebuffer device...
[  2271.291] (II) FBDEV(0): checking modes against monitor...
[  2271.291] (--) FBDEV(0): Virtual size is 1024x768 (pitch 1024)
[  2271.291] (**) FBDEV(0):  Built-in mode "current"
[  2271.291] (==) FBDEV(0): DPI set to (96, 96)


In Wheezy, the graphics card seems to have been found and a depth of 
24bpp is being used by RADEON(0) with a GB of graphics memory, while in 
Jessie, Screen 0 is getting deleted and the radeon module is removed.  
Instead of RADEON(0) we see FBDEV(0), instead of 24bbp, only 16bbp is 
being used.  Only 1536kB of video memory is being used and the screen 
size is set to "Virtual size is 1024x768 (pitch 1024)".

I don't know enough to determine what is causing these differences, let 
alone how to correct the problem.  If someone else can figure out a 
solution I would be most grateful.

Marc