Messages in this thread | | | Date | Thu, 19 Dec 2013 13:31:37 +0100 | From | Ingo Molnar <> | Subject | Re: cirrusdrmfb broken with simplefb |
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* David Herrmann <dh.herrmann@gmail.com> wrote:
> Hi > > On Thu, Dec 19, 2013 at 1:03 AM, One Thousand Gnomes > <gnomes@lxorguk.ukuu.org.uk> wrote: > >> > That bug always existed, simplefb is just the first driver to hit it > >> > (vesafb/efifb didn't use resources). I'm aware of the issue but as a > >> > workaround you can simply disable CONFIG_X86_SYSFB. That restores > >> > the old behavior. > >> > >> This looks like a regression, so we'll either need a fix or we'll have > >> to mark CONFIG_X86_SYSFB as CONFIG_BROKEN. > > > > Kernel bugzilla has entries for simplefb breaking both vesafb and > > matrox mga. > > Thanks for the hints. I've read through all I could find and tried > to provide some help. > > I'm kind of confused, most of them enable CONFIG_X86_SYSFB (which is > 'n' by default) but don't read the help text. I did my best to tell > people that this option requires CONFIG_FB_SIMPLE, but if you don't > read the help-text you won't notice that. Don't know what to do > about that..
People generally don't read the help text - still the kernel should not break. So please the Kconfig angle (and the bootup logic, etc.) fool-proof, graphics failures are not fun to debug!
Thanks,
Ingo
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