Comment 35 for bug 925350
Revision history for this message
| Seth Forshee (sforshee) wrote Re: [Bug 925350] Re: Display problem (thin fading white vertical lines) after kernel upgrade to 3.0.0.15, no login window | #35 |
On Wed, Feb 15, 2012 at 10:38:54PM -0000, wild_oscar wrote:
> Seth:
> It was with the "working" kernel - set #9 in this bug report, actually - the kernel with your commit reverted.
I missed that there was a build with only this commit reverted. So I
guess it must be the right commit...
> I tried with the broken one, both by ssh-ing and connecting it to an
> external monitor, but had no luck: could not ssh into the machine and
> the external monitor displayed a black screen with the ubuntu logo (the
> splash screen that usually hides the boot messages)
You can't ssh into the machine? But you can if you boot into a working
kernel?
You are using a wired network connection, aren't you? Wifi doesn't
connect until you log in.
> I am now in a 3.0.0-14 boot and right now/proc/cmdline has
>
> BOOT_IMAGE=
> ba60-0cdc28c819de ro quiet splash acpi_backlight=
>
> I confirmed these are the same options as I see in Grub in the broken 15
> kernel.
>
> I've also just grep-ed i915 in modprobe.d/* but no file has any
> reference to it. I suppose these files wouldn't be changed based on the
> kernel that you choose on startup (would they?), so the broken 3.0.0-15
> that is installed probably doesn't have them either.
It shouldn't vary between kernels.
> What else can be done so we can figure out what is wrong?
With the broken kernel, try each of the following options by modifying
the kernel command line in grub. Report back which work and which don't.
i915.
i915.
i915.