I'm also experiencing this issue. After I upgraded from 2GB to 6GB I receive the same message on start-up.
Linux xpsm1330 2.6.27-11-generic #1 SMP Thu Jan 29 19:28:32 UTC 2009 x86_64 GNU/Linux [ 0.000000] Detected 2394.028 MHz processor. [ 0.004000] spurious 8259A interrupt: IRQ7. [ 0.004000] Console: colour VGA+ 80x25 [ 0.004000] console [tty0] enabled [ 0.004000] Checking aperture... [ 0.004000] No AGP bridge found [ 0.004000] Node 0: aperture @ 20000000 size 32 MB [ 0.004000] Aperture pointing to e820 RAM. Ignoring. [ 0.004000] Your BIOS doesn't leave a aperture memory hole [ 0.004000] Please enable the IOMMU option in the BIOS setup [ 0.004000] This costs you 64 MB of RAM [ 0.004000] Mapping aperture over 65536 KB of RAM @ 20000000 [ 0.004000] PM: Registered nosave memory: 0000000020000000 - 0000000024000000 [ 0.004000] Memory: 6110560k/7340032k available (3116k kernel code, 180428k reserved, 1575k data, 540k init) [ 0.004000] CPA: page pool initialized 1 of 1 pages preallocated [ 0.004000] SLUB: Genslabs=13, HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.004000] hpet clockevent registered [ 0.004000] Calibrating delay loop (skipped), value calculated using timer frequency.. 4788.05 BogoMIPS (lpj=9576112) [ 0.004000] Security Framework initialized -- "Aperture pointing to e820 RAM. Ignoring." https://bugs.launchpad.net/bugs/309928 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
