[CentOS] Got no login screen with the new 5.6 kernel
David McGuffey
davidmcguffey at verizon.net
Thu Apr 14 01:42:53 UTC 2011
On Wed, 2011-04-13 at 19:14 -0400, Stanley A. Klein wrote:
> On Wed, April 13, 2011 12:00 pm, m.roth at 5-cent.us wrote:
> > Phil Schaffner wrote:
> >> Stanley A. Klein wrote on 04/12/2011 01:55 PM:
> >>> I did the 5.6 update yesterday. When I started the machine today, I
> >>> did
> >>> not get a login screen -- it was just a blank screen with no cursor or
> >>> anything. I shut down, restarted and when grub came up selected the
> >>> previous kernel. The system came up as usual, presented a login
> >>> screen,
> >>> and is working OK.
> >>>
> >>> There is apparently something buggy related to the new kernel
> >>> (2.6.18-238.5.1.el5).
> >>
>
> Problem solved, but rather strange.
>
> When I first booted with the previous kernel I looked at /var/log/messages
> and didn't see anything useful. Today, I selected the previous kernel
> from the grub screen and looked at /var/log/Xorg.0.log. The date in the
> file was today, so that was from the current boot, not from the time it
> failed to give the login screen.
>
> I edited inittab to default to runlevel 3. I got the runlevel 3 login
> prompt, did startx, and the GUI came up. I restored the runlevel 5
> default in inittab and rebooted letting the new kernel get selected by
> default. The login screen came up.
>
> It must have had something to do with the initialization of X on the first
> boot under 5.6.
>
> Your suggestions helped.
>
> Thanks.
>
I had a grainy display and strange colors after my update. I ended up
reinstalling the xorg drivers, selecting an incorrect video card, which
caused X to probe the hardware and build a good config. Something
definitely bizarre about the 5.6 upgrade and X.
Dave M
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