[blfs-support] Missing cursor in text (console) mode

Bruce Dubbs bruce.dubbs at gmail.com
Tue Mar 19 11:11:19 PDT 2013


alex lupu wrote:
> Hi Bruce:
>
> - Bruce:
> What I have is
> CONFIG_FRAMEBUFFER_CONSOLE=y
> CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
>
> If they are not set, then /dev/fb0 does not show up.
> What happens for me is that the kernel dialog starts
> and at about 0.5 seconds shifts into frambuffer mode.
> I don't know how to prevent it if those options are
> set, but you can control it by putting something like video=1366x768 on
> the kernel command line (that's my monitor resolution).
>
> - Alex:
> I had CONFIG_FRAMEBUFFER_CONSOLE=m.  Made it y.
> Great minds:  1366x768 is my preferred resolution too.
>
> Still NO CIGAR.
>
> - Bruce:
> Now I'm not sure if the above are the only kernel issues.
>
>   Bruce                                        Alex original
> ---------------------------------             -------------
> CONFIG_FB_VESA=y                                NO
> CONFIG_VIDEO_OUTPUT_CONTROL=y                   m
> CONFIG_FB=y                                     same
> # CONFIG_FIRMWARE_EDID is not set               y
> # CONFIG_FB_DDC is not set                      same
> CONFIG_FB_BOOT_VESA_SUPPORT=y                   NO
> CONFIG_FB_CFB_FILLRECT=y                        m
> CONFIG_FB_CFB_COPYAREA=y                        m
> CONFIG_FB_CFB_IMAGEBLIT=y                       m
>
> has /dev/fb0 but the one that has
>
> # CONFIG_FB_BOOT_VESA_SUPPORT is not set
>
> does not have /dev/fb0.
>
> - Alex:
> I brought all the above CONFIGs in line with yours but
> still NO CIGAR.
>
> - Bruce:
> In any case, I'd suggest trying to disable the switch to graphical mode
> during boot (if it's not already disabled) and see if that makes a
> difference.
>
> - Alex:
> Which is the switch to graphical mode,
>   "Enable modesetting on intel by default"?

I think it's CONFIG_FB_BOOT_VESA_SUPPORT.

Try changing all =m to =y and rebuild the kernel.

   -- Bruce






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