Running current bits on ancient hardware is always risky. Test first with LiveCD. Or better yet, stay back with known working bits. On 02/17/2014 09:20 AM, Alain.Cochard at unistra.fr wrote: > Hello. I apology in advance if I am not reporting things correctly, > but my knowledge about these things is very limited. > > I have five Transtec computers, approximately born in July 2005; they > have an intel 82845G video card. > > The last 'yum update' was on January 30, 2014. I did not reboot the > machines at that time. I cannot be sure about the date of the 'yum > update' preceding that one, but I think is was on September 7, 2013. > > Last Friday (February 14, 2014), 4 of those 5 computers stopped > working properly after some action on them. > > The problem is: black screen with only the arrow of the mouse (mouse > is working correctly :-). Apart from that, the computers are OK: one > can use Ctrl-Alt-F1, etc. > > For sure, one of the action which led to the problem was a reboot. I > cannot be 100% sure about the action, which was simply a change of > screen: the machine was OK; then I changed the screen; it did not work > any more; then I rebooted. But my experience is that, sometimes, even > under normal condition, it does not work right away, or perhaps not at > all, after changing the screen. > > The 5th computer, on which nothing has been done, is still working > just fine. > > NB: for sure, there has been at least one reboot on at least one of > the 5 machines between September (or whatever date at which the > previous 'yum update' has been performed) and January, and the problem > did not show up. > > For what it's worth, the following 2 packages are installed: > > xorg-x11-drv-intel-devel-2.21.12-2.el6.i686 > xorg-x11-drv-intel-2.21.12-2.el6.i686 > > Also, here is the output of 'lspci | grep 82845': > > 00:00.0 Host bridge: Intel Corporation 82845G/GL[Brookdale-G]/GE/PE DRAM Controller/Host-Hub Interface (rev 01) > 00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01) > > Based on the data, my best guess is that the problem I have is due to > some recent change in the centos packages. Perhaps it was supposed to > be so? (I.e., no longer supporting old hardware?). If so, at any > rate, I'll be grateful if someone can suggest a workaround, or perhaps > a hint towards that goal. > > Regards, > Alain > >