[Bug 83792] Kernel hangs on boot without nomodeset option

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83792

--- Comment #2 from Tim Nelson <wayland at wayland.id.au> ---
Regarding "not worked", these kernels have always hung on boot with a blank
screen; most of these are from my attempts to upgrade to various different
versions of Fedora between 13 (currently working for me) and 20 (the one I'm
attempting to install now).  I suspect that these kernels weren't being passed
the "nomodeset" option by default, but I have no evidence of that, and I don't
plan to go back and look unless it becomes necessary, since I want to get the
Fedora 20 kernel working, rather than the intermediate ones.  

When I boot the machine (after removing the "quiet rhgb" options, and adding
"debug"), the machine spits out a bunch of log messages that scroll too quickly
for me to see, and then the screens go blank (the LCD one displaying the
message "No Signal"), and I can't access the machine remotely at that point;
unfortunately this means that I also can't post the relevant dmesg and xorg
information.  I think the machine is hanging before the network card is
enabled, although I will try to double-check that.  

As for bisecting the kernel, I can have a go, but I suspect it will be the
original KMS commit.  

Thanks for the time you've put into this.  I'll have some more time to put into
it later, but probably not for another week or two, unfortunately.

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