long time of switch console->X (fast opposite way)

long time of switch console->X (fast opposite way)

[Miernik]

I posted this on fbdev.user here:
http://article.gmane.org/gmane.linux.fbdev.user/215
but got no reply, so I'll try here. 

I use the framebuffer with this line in my /boot/grub/menu.lst :
kernel /boot/vmlinuz-2.4.24-1-386 root=/dev/hda1 ro video=sisfb:mode:1152x864x16,rate:70

My video card is (output of lspci -vv):

0000:01:00.0 VGA compatible controller: Silicon Integrated Systems [SiS] 630/730 PCI/AGP VGA Display Adapter (rev 31) (prog-if 00 [VGA])
        Subsystem: Silicon Integrated Systems [SiS] 630/730 PCI/AGP VGA Display Adapter
        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-
        BIST result: 00
        Region 0: Memory at c0000000 (32-bit, prefetchable) [size=128M]
        Region 1: Memory at cfee0000 (32-bit, non-prefetchable) [size=128K]
        Region 2: I/O ports at bc00 [size=128]
        Capabilities: [40] 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: [50] AGP version 2.0
                Status: RQ=16 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>

It's a video card build in a PCChips M810L REV7.0 motherboard.
The CPU is AMD Duron 600 MHz.
Of course I use the fbdev X driver.

The problem I have it takes 6.7 seconds to switch from console to X
with <Alt><F7>. The 6.7 s time is very consistent, every time I
measure it. It's very long and annoying.

The other direction (X->console with <Alt><F1>) its about immediate.

During that 6.7 seconds the a rough outline of what is supposed to be
on the screen is displayed. For example if the Galeon web browser is
on the screen, then it displays the area where Galeon menus and other
controls are in a block of grey, the area of the webpage in a block of
black, and the URL box as a block of white.

What might be the reason, and is there anything to be done about this?

In kern.log doring boot I get:

May 28 18:25:49 jaworz kernel: sisfb: Video ROM found and mapped to c00c0000
May 28 18:25:49 jaworz kernel: sisfb: Framebuffer at 0xc0000000, mapped to 0xe00ab000, size 8192k
May 28 18:25:49 jaworz kernel: sisfb: MMIO at 0xcfee0000, mapped to 0xe08ac000, size 128k
May 28 18:25:49 jaworz kernel: sisfb: Memory heap starting at 4096K
May 28 18:25:49 jaworz kernel: sisfb: CRT1 DDC supported
May 28 18:25:49 jaworz kernel: sisfb: CRT1 DDC level: 2
May 28 18:25:49 jaworz kernel: sisfb: Monitor range H 31-61KHz, V 60-75Hz, Max. dotclock 78MHz
May 28 18:25:49 jaworz kernel: sisfb: WARNING: Refresh rate exceeds monitor specs!
May 28 18:25:49 jaworz kernel: sisfb: Mode is 1152x864x16 (60Hz)
May 28 18:25:49 jaworz kernel: sisfb: Initial vbflags 0x0
May 28 18:25:49 jaworz kernel: Console: switching to colour frame buffer device 144x54
May 28 18:25:49 jaworz kernel: sisfb: Installed SISFB_GET_INFO ioctl (80046ef8)
May 28 18:25:49 jaworz kernel: sisfb: Installed SISFB_GET_VBRSTATUS ioctl (80046ef9)
May 28 18:25:49 jaworz kernel: sisfb: 2D acceleration is enabled, scrolling mode ypan
May 28 18:25:49 jaworz kernel: fb0: SIS 730 frame buffer device, Version 1.6.16
May 28 18:25:49 jaworz kernel: sisfb: (C) 2001-2003 Thomas Winischhofer. All rights reserved.

And then a line like that appears every several minutes all the time
the computer is on:

May 28 18:26:04 jaworz kernel: sisfb: Unsupported rate 60 for 1152x864
May 28 18:26:04 jaworz kernel: sisfb: WARNING: Refresh rate exceeds monitor specs!
May 28 18:26:07 jaworz kernel: sisfb: Unsupported rate 60 for 1152x864
May 28 18:26:07 jaworz kernel: sisfb: WARNING: Refresh rate exceeds monitor specs!
May 28 18:26:27 jaworz kernel: sisfb: Unsupported rate 60 for 1152x864
May 28 18:26:27 jaworz kernel: sisfb: WARNING: Refresh rate exceeds monitor specs!

-- 
    Miernik         _________________________  xmpp:miernik@amessage.info
___________________/__ tel: +48888299997 __/      mailto:miernik@ctnet.pl
http://www.miernik.ctnet.pl/



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Re: long time of switch console->X (fast opposite way)

[Thomas Winischhofer]

 > The problem I have it takes 6.7 seconds to switch from console to X
 > with <Alt><F7>. The 6.7 s time is very consistent, every time I
 > measure it. It's very long and annoying.

This is very probably related to a problem with your mouse (which some 
versions of X reset during startup). Check your XF86Config and the X log 
for related messages. This is, however, not any of my drivers' fault.

Besides, sisfb does not support 1152x864 at 60Hz. This mode is (yet) 
only supported at 75 and 85Hz, both of which exceed the HSync range of 
your monitor. Hence the log entries (which BTW only appear when the 
display mode is switched and not "every several minutes").

Thomas


-- 
Thomas Winischhofer
Vienna/Austria
thomas AT winischhofer DOT net          *** http://www.winischhofer.net/
twini AT xfree86 DOT org


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Re: long time of switch console->X (fast opposite way)

[Miernik]

Thomas Winischhofer <thomas@winischhofer.net> wrote:
> 
> > The problem I have it takes 6.7 seconds to switch from console to X
> > with <Alt><F7>. The 6.7 s time is very consistent, every time I
> > measure it. It's very long and annoying.
> 
> This is very probably related to a problem with your mouse (which some 

I do not have a mouse. Can that be a problem? If so, what can I do to 
make X don't even think about a mouse?

> versions of X reset during startup). Check your XF86Config and the X log 
> for related messages. 

I have put these config and log files here:
http://www.miernik.ctnet.pl/problems/slow-fb/
Can you have a look if there is any clue in there?

> Besides, sisfb does not support 1152x864 at 60Hz. This mode is (yet) 
> only supported at 75 and 85Hz, both of which exceed the HSync range of 
> your monitor. Hence the log entries (which BTW only appear when the 
> display mode is switched and not "every several minutes").

In fact my monitor supports way more than that. In the mode I use all 
the time, and which is used in the logs in the previous message too, I 
use: 68.0 kHz / 75 Hz which is displayed in the OSD of my monitor,
and it is perfectly OK with that. 

I have no idea where does sisfb take that from:

Jul 13 12:31:29 jaworz kernel: sisfb: Monitor range H 31-61KHz, V 60-75Hz, Max. dotclock 78MHz
Jul 13 12:31:29 jaworz kernel: sisfb: WARNING: Refresh rate exceeds monitor specs!
Jul 13 12:31:29 jaworz kernel: sisfb: Mode is 1152x864x16 (60Hz)

My monitor is Hyundai DeluxScan 5870
and it can do (data from the manual):

H: 30-70 kHz
V: 50-160 Hz

-- 
    Miernik         _________________________  xmpp:miernik@amessage.info
___________________/__ tel: +48888299997 __/      mailto:miernik@ctnet.pl
http://www.miernik.ctnet.pl/



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