I had the same problem on Ubuntu 8.04 either I have it on Ubuntu 8.10 with the Tsunami USB/eSATA external HDD case.
When it plugged via USB it works, but via eSATA (JMicron 20360/20363 AHCI Controller (rev 02) as listed in lspci) it fails with same messages as in first post.
I had the same problem on Ubuntu 8.04 either I have it on Ubuntu 8.10 with the Tsunami USB/eSATA external HDD case.
When it plugged via USB it works, but via eSATA (JMicron 20360/20363 AHCI Controller (rev 02) as listed in lspci) it fails with same messages as in first post.