Jeff Dike wrote: > On Mon, Apr 28, 2008 at 04:21:41PM +0100, robl wrote: >> I've recently upgraded my UML setup from a 2.6.8+skas3 host kernel to a >> 2.6.18+skas on debian etch. I've also upgraded to using the nagafix >> kernel32-2.6.24.3 kernel to run my guest instances in. >> >> I uses to be able to specify mem=3072M to the guest instance, but when I >> try this now I see : > > When did it work before?
I *think* I was using the linux2.6.16.18-bs2 kernel as my guest kernel previously (I've just updated from Debian sarge to etch, so I've had to recompile the host kernel to include skas support again). I performed the upgrade last night. > > I fixed a related bug recently - the patch is below. Note that UML > isn't completely robust against its memory bumping into its shared > libraries and stack. The patch below plus linking UML statically > should give you close to 3G of memory. Thanks, I'll give this a go. > >> Anybody have any ideas what might be setting this limit, as I'd expect >> to be able to specify up to mem=4096M > > Nope, on 32-bit you only have 3G of address space. Sorry, you're right I was using mem=3096M previously (although this is more than 3G though - I must have been lucky as it never went down). > > Jeff > ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
