On 12/18/06, Mark Belanger <mark_belanger@xxxxxxx> wrote:
Matthew Miller wrote: > On Mon, Dec 18, 2006 at 04:17:59PM -0500, Mark Belanger wrote: >> I have many different centos machines that are hanging >> regulary. I believe this is due to something our application >> is doing - not a centos specific problem. >> When the machines hang, there is no access to the console >> or remote access(ssh, rsh, etc). > > Do you mean that there's no *access* to the console, or that it doesn't > *respond* on the console? X is frozen, no way to switch the console(i.e. Ctrl-Alt-F1, Ctrl-Alt-Backspace), and no way to access the machine remotely.
Consider setting up a serial console so that you might be able use magic-sysreq to gather infomation on the kernel and processes. The serial console should not be effect by X freezing (i.e. you would have a seperatate terminal session setup too it, prefereably in a GUI environment not on that machine. Cheers...james P.S. The documentation on magic sysreq is in the kernel docs. _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos
