Same probleme and I had to wait a long time to find a solution : flashing the firmware of my latop cdrom.
I've got an ACER Aspire 9410, the cdrom is a TSSTCorp TS-L632D And acer only deliver 1 firmware : AC01 As stated on the other post, crossing flashing is okay, I've flashed witch :" SC04 - Original Samsung Computer Firmware " And all my probleme goes away a source to find firmwares : http://backfire.rpc1.org/tsstcorp/index.php?path=TS-L632D/ PS : to crossflash I've done it under windows with the binary suplied "sfdnwin " and the option "-nocheck" some information here also : http://forum.rpc1.org/viewtopic.php?p=37412#37417 -- Hard disk I/O randomly freezes when hald is running and optical drive is empty https://bugs.launchpad.net/bugs/84603 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