I have installed linux-source-2.6.26. Unpacked it and copied over the config file, doing make oldconfig, then make menuconfig.
Now Processor type and features ---> High Memory Support (4GB) ---> CONFIG_HIGHMEM4G: Select this if you have a 32-bit processor and between 1 and 4 gigabytes of physical RAM. Now taking the dmesg part from above: [...] [ 0.000000] Warning only 4GB will be used. [ 0.000000] Use a HIGHMEM64G enabled kernel. [ 0.000000] 3200MB HIGHMEM available. [ 0.000000] 896MB LOWMEM available. [ 0.000000] found SMP MP-table at [c00ff780] 000ff780 [...] CONFIG_HIGHMEM64G: Select this if you have a 32-bit processor and more than 4 gigabytes of physical RAM. free: desktop linux-source-2.6.26 # free total used free shared buffers cached Mem: 3364580 1208856 2155724 0 55208 822528 -/+ buffers/cache: 331120 3033460 Swap: 2097144 0 2097144 So, if you can not confirm this, I do not know, how clearer a bug can be shown here. This has already been in hardy and continues in intrepid. Now it is the first alpha and I really hope this will be fixed. -- [intrepid] kernel highmem support missing https://bugs.launchpad.net/bugs/243113 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