There is news today after the boot without ac power, the splash stopped and gived to me this information :
[ 36.209012] usplash[1223] segfault at b783e421 eip b7f7f13e esp bfcaa380 error 6 and nothing, i must reboot the computer To be continued... -- ACPI Power Switching Fails Toshiba L30 https://bugs.launchpad.net/bugs/228375 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
