Description of problem: When ACPI is enabled, Dell Lattitude CPx laptops with battery inserted will shutdown when modules are loaded. This happens right after local disks are probed or mounted. Version-Release number of selected component (if applicable): kernel-2.6.1-1.65 How reproducible: Always Steps to Reproduce: 1. Insert Battery 2. Power on and boot with default options 3. Actual Results: Laptop shuts down. Expected Results: Laptop should boot normally. Additional info: Removing the battery or booting with acpi=off option passed to kernel allows the laptop to boot. Once system passes module loading stage, reinserting the battery has no affect.
I got the same problem on my Dell Inspiron 8000 with 2.6.1-1.65, but 2.6.2-1.74 seems to have fixed it. Please verify that it fixes the problem on your Latitute as well and, if so, reopen this.