On Fri, Aug 13, 2004 at 11:32:39AM +0200, Hans Kristian Rosbach wrote: > On these we have recently seen the following problems. > > 1. Screen goes blank during boot menu. > Then there is massive on-screen image corruption until > the fb is reset by init somewhere. In the beginning you > can make out the text, but there are outlined squares all > over the monitor. When more text appears it seems to make > a mess all over the screen. > What kernel: All FC2 kernels, ever since atleast test1 The first thing to try is "acpi=off". See if that helps. > 3. All of our FC2 servers recently (3-4 days ago) stopped serving > http pages to mac computers. I have no idea why, but customers > from all over is complaining that their mac machines cannot > open the webpages. Windows machines on the same net works. > The mac machines has tested IE and newest Safari. > It seems like a FC2 yum update triggered this event, but we have > no idea how and have no way of doing testing as we don't have any > macs. Old or new Macs. MacOS X and MacOS < X are different operating systems. MacOS X is simply BSD. You'd need tcpdumps to figure out what was going on there. > 4. One of our servers is having BIG problems with uneven intervals > recently. The last week it has had problems about 5-6 times I think. > Very (VERY) suddenly the load increases to 700+ and https gets OOM > killed rapidly. Network connectivity is immedeately offline and > console responce is _BAD_. I once waited 5min for a password prompt > before I had to reboot it due to customer complaints. > I saw the 700-900 load climb once when I had let top stay on console. > This has occured only since after Monday. Bad cgi scripts or perl/php ?. You can stop the machine getting into a horrible state by using rlimit and/or setting no overcommit in /proc/sys. Alan