Jeffrey W. Baker wrote: > When doing block i/o on the dvd drive (dd if=/dev/hdc of=/dev/null), > the mouse moves randomly and the pmu reports spurious dead battery > conditions. During the dd, use of the trackpad causes random pointer > motion. The battery is intermittently reported at 2% or 3%, even when > fully charged and plugged in.
I had a similar problem here. However, I was clued on IRC (credits go to Michael Daenzer) and a fix to the problem seems to be to just enable DMA and unmask IRQ via hdparm. This also works if one uses ide-scsi, just try hdparm -d1 -u1 /dev/hdx. (Replace x by c and do not read the manpage of hdparm, it is just too scary... :) ) So e.g. one can place the line post-install ide-scsi hdparm -u1 -d1 /dev/hdx in /etc/modutils/foobar and enjoy. Greetings, Lukas
