On Fri, Sep 30, 2011 at 11:19 AM, Eric B Munson <emunson@xxxxxxxxx> wrote: > I am able to recreate on a second desktop I have here (same model CPU but a > different MB so I am fairly sure it isn't dying hardware). It looks to me like > a CPU softlocks and it stalls the process active there, so most recently that > was XOrg. The machine lets me login via ssh for a few minutes, but things like > ps and cat or /proc files will start to work and give some output but hang. > I cannot call reboot, nor can I sync the fs and reboot via SysRq. My next step > is to setup a netconsole to see if anything comes out in the syslog that I > cannot see. I haven't had time to try & reproduce locally yet (apologies - things have been coming up at me). But a prime suspect would be a bad interaction with CONFIG_MEMORY_HOTPLUG, as Kamezama remarked in his reply to patch 4. I think this could be the most likely cause of what you're observing. -- Michel "Walken" Lespinasse A program is never fully debugged until the last user dies. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href