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