Had the same problem running 32-bit Ubuntu on a dv6000 - actually a dv6105ca, AMD Turion64 X2 TL-64. Switched to 64-bit Ubuntu and everything works perfectly, including the native wireless driver, ACPI, sleep, hibernate, NVidia drivers, etc. Try using amd64 Ubuntu and see if it helps you.
Had the same problem running 32-bit Ubuntu on a dv6000 - actually a dv6105ca, AMD Turion64 X2 TL-64. Switched to 64-bit Ubuntu and everything works perfectly, including the native wireless driver, ACPI, sleep, hibernate, NVidia drivers, etc. Try using amd64 Ubuntu and see if it helps you.