I (original reporter) am ok on raring, but bad on saucy with Mobility
Radeon HD 5850.
by installing the linux-image-3.11.4-031104-generic package from
mainline kernel builds, I was able to follow the DebuggingKernelBoot
directions. After the text boot, it switched to a blank/black X VT, but
I *wa
Raring (kernel 3.8) also exhibits this bug.
Quantal did not (kernel 3.5).
Radeon HD 5650/5750 / 6530M/6550M (someone on the internet says Radeon dropped
all HD support)
Grub can be seen, but xorg graphics does not work with or without fglrx
on Raring and Saucy.
Reverting to 12.04 with LTS upgrad
removing 'quiet nosplash' from the live image boot params showed some
text up until 'loading initrd', then a quick scroll of unreadable text
before the screen went blank, and ctrl+alt+f* didn't work to switch
VTs/away from blank.
there was no vt.handoff or gfxpayload entries in the live image boot
Can you follow the "Boot options" instructions on the following wiki to
enable additional output on boot:
https://wiki.ubuntu.com/DebuggingKernelBoot
As mentioned on the wiki, it would be great if you can attach a log file
which may have captured any messages you see. If you are unable to
capture
earliest I tried was 2013-07-31, is there an archive you'd like me to
binary search through?
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https://bugs.launchpad.net/bugs/1233753
Title:
saucy images boot to black scre
Was there an earlier Saucy ISO that did not exhibit this bug?
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Importance: Medium => High
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