Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
Writing extended state information... Done
Building tag database... Done
aptitude install linux-source-2.6.20-grml  77.09s user 32.03s system 0% cpu 3:55:10.83 total
root@grml-dev ~src/linux # make mrproper
scripts/Makefile.clean:17: /usr/src/linux-headers-2.6.20-grml/drivers/infiniband/hw/amso1100/Makefile: No such file or directory
make[3]: *** No rule to make target `/usr/src/linux-headers-2.6.20-grml/drivers/infiniband/hw/amso1100/Makefile'.  Stop.
make[2]: *** [drivers/infiniband/hw/amso1100] Error 2
make[1]: *** [drivers/infiniband] Error 2
make: *** [_clean_drivers] Error 2
make mrproper  4.48s user 2.40s system 54% cpu 12.665 total
2 ro