before doing all of this, I installed the kernel sources, and compiled them by "make all", but I didn't install it, neither the new modules... mars:/misc/sw/linux/vmware # vmware-config.pl Making sure services for VMware Workstation are stopped. Stopping VMware services: Virtual machine monitor done Trying to find a suitable vmmon module for your running kernel. None of the pre-built vmmon modules for VMware Workstation is suitable for your running kernel. Do you want this program to try to build the vmmon module for your system (you need to have a C compiler installed on your system)? [yes] Using compiler "/usr/bin/gcc". Use environment variable CC to override. What is the location of the directory of C header files that match your running kernel? [/usr/src/linux/include] Extracting the sources of the vmmon module. Building the vmmon module. Using 2.6.x kernel build system. make: Entering directory `/tmp/vmware-config3/vmmon-only' make -C /usr/src/linux/include/.. SUBDIRS=$PWD SRCROOT=$PWD/. modules make[1]: Entering directory `/usr/src/linux-2.6.13-rc6-git13-4' CC [M] /tmp/vmware-config3/vmmon-only/linux/driver.o CC [M] /tmp/vmware-config3/vmmon-only/linux/hostif.o In file included from /tmp/vmware-config3/vmmon-only/linux/hostif.c:68: /tmp/vmware-config3/vmmon-only/./include/pgtbl.h: In function ‘PgtblVa2PTELocked’: /tmp/vmware-config3/vmmon-only/./include/pgtbl.h:81: warning: passing argument 1 of ‘pmd_offset’ from incompatible pointer type CC [M] /tmp/vmware-config3/vmmon-only/common/cpuid.o CC [M] /tmp/vmware-config3/vmmon-only/common/memtrack.o CC [M] /tmp/vmware-config3/vmmon-only/common/phystrack.o CC [M] /tmp/vmware-config3/vmmon-only/common/task.o /tmp/vmware-config3/vmmon-only/common/task.c: In function ‘Task_Switch’: /tmp/vmware-config3/vmmon-only/common/task.c:480: warning: ‘sysenterState.cs’ may be used uninitialized in this function /tmp/vmware-config3/vmmon-only/common/task.c:480: warning: ‘sysenterState.isValidEipEsp’ may be used uninitialized in this function /tmp/vmware-config3/vmmon-only/common/task.c:480: warning: ‘sysenterState.esp’ may be used uninitialized in this function /tmp/vmware-config3/vmmon-only/common/task.c:480: warning: ‘sysenterState.eip’ may be used uninitialized in this function CC [M] /tmp/vmware-config3/vmmon-only/common/vmx86.o LD [M] /tmp/vmware-config3/vmmon-only/vmmon.o Building modules, stage 2. MODPOST CC /tmp/vmware-config3/vmmon-only/vmmon.mod.o LD [M] /tmp/vmware-config3/vmmon-only/vmmon.ko make[1]: Leaving directory `/usr/src/linux-2.6.13-rc6-git13-4' cp -f vmmon.ko ./../vmmon.o make: Leaving directory `/tmp/vmware-config3/vmmon-only' The module loads perfectly in the running kernel. This program previously created the file /dev/vmmon, and was about to remove it. Somebody else apparently did it already. Extracting the sources of the vmnet module. Building the vmnet module. Using 2.6.x kernel build system. make: Entering directory `/tmp/vmware-config3/vmnet-only' make -C /usr/src/linux/include/.. SUBDIRS=$PWD SRCROOT=$PWD/. modules make[1]: Entering directory `/usr/src/linux-2.6.13-rc6-git13-4' CC [M] /tmp/vmware-config3/vmnet-only/driver.o CC [M] /tmp/vmware-config3/vmnet-only/hub.o CC [M] /tmp/vmware-config3/vmnet-only/userif.o In file included from /tmp/vmware-config3/vmnet-only/userif.c:45: /tmp/vmware-config3/vmnet-only/pgtbl.h: In function ‘PgtblVa2PTELocked’: /tmp/vmware-config3/vmnet-only/pgtbl.h:81: warning: passing argument 1 of ‘pmd_offset’ from incompatible pointer type /tmp/vmware-config3/vmnet-only/userif.c: In function ‘VNetUserIfMapUint32Ptr’: /tmp/vmware-config3/vmnet-only/userif.c:156: warning: ‘verify_area’ is deprecated (declared at include/asm/uaccess.h:105) /tmp/vmware-config3/vmnet-only/userif.c:157: warning: ‘verify_area’ is deprecated (declared at include/asm/uaccess.h:105) /tmp/vmware-config3/vmnet-only/userif.c: In function ‘VNetCopyDatagramToUser’: /tmp/vmware-config3/vmnet-only/userif.c:563: error: implicit declaration of function ‘skb_copy_datagram’ make[2]: *** [/tmp/vmware-config3/vmnet-only/userif.o] Error 1 make[1]: *** [_module_/tmp/vmware-config3/vmnet-only] Error 2 make[1]: Leaving directory `/usr/src/linux-2.6.13-rc6-git13-4' make: *** [vmnet.ko] Error 2 make: Leaving directory `/tmp/vmware-config3/vmnet-only' Unable to build the vmnet module. For more information on how to troubleshoot module-related problems, please visit our Web site at "http://www.vmware.com/download/modules/modules.html" and "http://www.vmware.com/support/reference/linux/prebuilt_modules_linux.html". Execution aborted.