Description of problem:
For some tasks I prefer to use text mode,
so my default initlevel is 3, plymouth is disabled,
X starts only on demand (by startx).
Bare textmode required.
After switching to KMS (required by intel and nouveau),
kernel loads, init starts, udev loads framebuffer
driver - screen is black (powersaving mode).
After blind login, video my be restored
or by modprobe fbcon (horrible small chars, ...),
or by startx.
For radeon it was a workaround: nomodeset in kernel cmdline.
For nvidia cards - fallback to nv driver.
But its no workaround for intel graphics -
it refuse to work w/o KMS.
Version-Release number of selected component (if applicable):
it seems that some previous versions too.
I detected this only when use motherboard with Intel
Steps to Reproduce:
1. disable plymouth.
3. remove nomodeset if exist
udev loads framebuffer driver - black screen.
Bare text mode.
Loading fbcon is not a solution -
danger in case of framebuffer errors,
bare textmode can provide better view,
dont require manual font loading after manual
It may be better to provide a switch in udev config
- load/skip framebuffer+fbcon drivers.
why don't you blacklist the framebuffer driver?
# echo blacklist <driver> > /etc/modprobe.d/myblacklist.conf
most framebuffer drivers are blacklisted by default anyway...
$ grep -r blacklist /etc/modprobe.d/
so you might want the blacklist.conf file to be extended with your driver..
$ rpm -qf /etc/modprobe.d/blacklist.conf
Really, all are blacklisted and loaded by udev.
I can disable loading by blacklist 'fb'.
The same result can be achieved by 'nomodeset'
(even better, in this case radeon works).
But after such disabling X failed to start on
The bug is not in loadding framebuffer,
but in loading not in time.
But what to do after X exits - framebuffer
will not unloaded.
I will try to configure fbcon to mimic real
text mode, with in-time loading,
font loading and so on.
(In reply to comment #3)
> Really, all are blacklisted and loaded by udev.
?? blacklisted modules should not be loaded by udev.
It seems to udev-only or Fedora only bug.
In most of modern distributives it's
impossible to have both text and graph mode in
one boot (except radeon). If nomodeset is given
in kernel options, text mode works perfectly,
but X fail to start on intel, nouveau.
If nomodeset is not given in kernel cmdline,
X works, but during boot framebuffer inits
(as far as I researched, in udev phase, but I fail to find
udev rule, which result to this phenomena).
I suppose to use nomodeset on servers.
In workstations with nvidia and intel it seems to
unavoidable to use framebuffer. But I fail to found,
how to control fb. For example, udev dont inits fonts
on fb console, and have no way to control relolution.
If I try to load fbcon manualy _before_ udev,
all keymaps and font loaded, but a very long (2-3min)
delay occured before mode changed (but udev switches modes fast).
This bug appears to have been reported against 'rawhide' during the Fedora 14 development cycle.
Changing version to '14'.
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