any know bugs with sleep/resume on systems with 8GB ram?

2011-09-09 Thread roberth
Hi, got around to upgrade my Thinkpad X200 (amd64) to 8GB RAM from 2GB. Since then after resume from sleep X is very laggy. Not just talking about apps that were open before the sleep/resume cycle, but also newly started. After rebooting the system every thing is dandy. Anyone? Ideas where to

Re: any know bugs with sleep/resume on systems with 8GB ram?

2011-09-09 Thread Theo de Raadt
got around to upgrade my Thinkpad X200 (amd64) to 8GB RAM from 2GB. Since then after resume from sleep X is very laggy. Not just talking about apps that were open before the sleep/resume cycle, but also newly started. After rebooting the system every thing is dandy. Anyone? Ideas where

Re: any know bugs with sleep/resume on systems with 8GB ram?

2011-09-09 Thread Mike Larkin
On Fri, Sep 09, 2011 at 10:38:16PM +0200, roberth wrote: Hi, got around to upgrade my Thinkpad X200 (amd64) to 8GB RAM from 2GB. Since then after resume from sleep X is very laggy. Not just talking about apps that were open before the sleep/resume cycle, but also newly started. After

Re: any know bugs with sleep/resume on systems with 8GB ram?

2011-09-09 Thread roberth
On Fri, 09 Sep 2011 15:22:45 -0600 Theo de Raadt dera...@cvs.openbsd.org wrote: This bug is actually known. Mike Larkin discovered that some machines are resuming with some of their high memory uncached. You can use memconfig(8) to force it back to cached. (I don't recall exactly, but it

Re: any know bugs with sleep/resume on systems with 8GB ram?

2011-09-09 Thread roberth
On Fri, 9 Sep 2011 14:11:28 -0700 Mike Larkin mlar...@azathoth.net wrote: This is a known issue with MTRRs on that model and a few others. The MTRRs are not being reprogrammed properly on resume, and the result is a large range of memory resuming as non-cacheable. It is on the radar to be