Just booted 10.10 beta Live CD and yes, the problem still exists, with the same workaround (open / close the CD-ROM drive). The CD-ROM and DVD-RW drives are IDE.
Note that there are NOT separate DVD/CD/HDD activity lights -- there is a single LED for all three. ubu...@ubuntu:~$ lspci -v (edited) 00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE Controller (rev 02) (prog-if 8a [Master SecP PriP]) Subsystem: Sony Corporation Device 8159 Flags: bus master, medium devsel, latency 0, IRQ 18 I/O ports at 01f0 [size=8] I/O ports at 03f4 [size=1] I/O ports at 0170 [size=8] I/O ports at 0374 [size=1] I/O ports at fc00 [size=16] Memory at 40000000 (32-bit, non-prefetchable) [size=1K] Kernel driver in use: ata_piix -- Sony Vaio PCV-RS320 Desktop Hard Drive LED always lit despite zero activity https://bugs.launchpad.net/bugs/129645 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