Besides rebooting (the only way to make a new kernel become active, except using kexec() which doesn't work anyway), you might also try to install kernel-power again AND POST THE EXACT OUTPUT OF RUNNING APT-GET/DPKG when you do that. This way we can see if there was any error when installing. If you, for some reason, don't want to try to install kp again you could run "dpkg -l | grep kernel" and, again, POST THE EXACT OUTPUT. Sorry for SHOUTING , but I reckon 30% (if not 60%) of the messages in this whole forum could have been saved if people provided "supporting evidence" of their problems ("flashing doesn't work", "u-boot removed by nitdroid", etc.) Cheers, and good luck!
Nokia-N900-02-8:~# apt-get install --reinstall -y kernel-power kernel-power-flasher Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 2 reinstalled, 0 to remove and 86 not upgraded. Need to get 0B/2102kB of archives. After this operation, 0B of additional disk space will be used. (Reading database ... 43881 files and directories currently installed.) Preparing to replace kernel-power-flasher 1:2.6.28-10power51r1 (using .../kernel-power-flasher_1%3a2.6.28-10power51r1_armel.deb) ... Unpacking replacement kernel-power-flasher ... Preparing to replace kernel-power 1:2.6.28-10power51r1 (using .../kernel-power_1%3a2.6.28-10power51r1_armel.deb) ... Unpacking replacement kernel-power ... Processing triggers for catorise ... ################################################################################################ No changes to hildon menu. Setting up kernel-power (1:2.6.28-10power51r1) ... Setting up kernel-power-flasher (1:2.6.28-10power51r1) ... initctl: Job not changed: softupd Version 0.4.4 started Waiting for messages flasher v2.8.2 (Jan 8 2010) Image 'kernel', size 1744 kB Version 2.6.28.10-power51 Using flashing protocol Mk II. ISI message from new source (10, 00) Found device RX-51, hardware revision 2101 Entering update mode Beginning image update nand: Finishing % 1024 / 1744 kB 2791 kB/s] nand: Flashing kernel image Image flashed successfully in 1.303 s (1338 kB/s)! Total flashing time 1.304 s Leaving update mode SIGTERM received
Nokia-N900-02-8:~# uname -r 2.6.28-omap1