One problem related to vesa_drv when compiling

[Alexander Boettcher]

Hello,

On 13.10.2014 19:11, 王硕 wrote:
> I encountered a problem when compiling, and I didn't find similar
> problems and solution on the Web throughout the day.
> Ubuntu 14.08  64-bit, Genode 13.02, VGA compatible controller‍: Advanced
> Micro Devices, Inc. [AMD/ATI] Caicos XT [Radeon HD 7470/8470 / R5 235
> OEM]‍ (should be 7470)

I tried to reproduce your issue and indeed, on a recent Qemu version
(for me 2.1.2) the vesa driver of the 13.02 Genode release will not work
anymore. We upgraded the x86emu library of Xorg (used by our vesa
driver) with Genode release 13.08 and starting from there the vesa
driver is working again for me.

So either you use some more recent Genode release (which we in general
advice) or you have to backport the x86emu changes by your own to the
Genode release you are using.

Regards,

Alexander Boettcher.

> 
> When I compiling make run/sth with GUI, vesa_drv failed to detect the VBE:
> [init -> vesa_drv] Could not open file "config"
> [init -> vesa_drv] Could not obtain config file
> [init -> vesa_drv] VBE Bios not present
> [init -> vesa_drv] Could not set vesa mode 1024x768 at ...64...
> [init -> nitpicker] C++ runtime: Genode::Parent::Service_denied
> [init -> nitpicker] void* abort(): abort called
> ‍
> 
> as "dmesg | grep vesa‍" indicated:
> [    0.610537] vesafb: mode is 1400x1050x32, linelength=5632, pages=0
> [    0.610538] vesafb: scrolling: redraw
> [    0.610539] vesafb: Truecolor: size=0:8:8:8, shift=0:16:8:0
> [    0.610795] vesafb: framebuffer at 0xe0000000, mapped to 0xf8480000,
> using 5824k, total 5824k
> ‍
> 
> ------------------
> 
> 
> Shuo Wang, 
> University of Chinese Academy of Sciences.
>  
> 
> 
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