Strange issue during boot
On Sb, 30 iun 12, 09:31:24, MR ZenWiz wrote:
> This may be a little OT, but I've tried other "more relevant" OS lists
> and not gotten anywhere.
But please (at least) mention [OT] in the subject, like I did.
> I recently updated all the computers I use on a regular basis from
> Ubuntu 10.10 to Xubuntu 12.04. To its credit, this boots up to a
> graphic of Debian, which is, after all, the underlying OS distro for
> all Ubuntu systems.
Ubuntu and most other derivatives are customizing some core packages,
all we can give is general advice.
> The problem I'm seeing is that, on one of my machines, my work desktop
> specifically, at some point after grub starts up the right kernel,
> when the lightdm display manager is coming up, something kills it.
> I've looked in dmesg and the system logs, and there's a record of it
> getting killed, but not who is doing it.
Show us! (the relevant log snippets)
> If I wait until this is
> apparent, usually about 30 seconds, then log in directly on a console
> and kick it off from the command line, everything is just fine. I
> usually run the machine continuously and only reboot it when the
> kernel changes or we have a power shutdown, so it's a minor annoyance,
> but it shouldn't happen at all.
> I've asked in both the Ubuntu and Xubuntu lists and no one has
> ventured an explanation, so I thought I'd ask here.
> One significant difference between my home desktop and my home laptop
> (which run fine) and my work desktop (which has this problem) is that
> the former two both run AMD CPUs (1 Phenom II x6, 1 Turion x2 I think)
> and the latter runs with dual quad-core Xeons (Intel), though I have
> trouble believing that this is sufficient to explain the problem.
I would rather suspect something related to Xorg (or whatever Ubuntu is
using now). For Xorg I would check /var/log/Xorg.0.log *before* starting
lightdm from the command line.
Hope this helps,
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