Well, no, in my case it wasn't a bug; it was a quirk of the way CPU usage is reported. I would suggest you have a different issue, since DMA was working fine for me as you can see from my hdparm output above.
-- 100% CPU usage during disk I/O with SATA/PATA https://bugs.launchpad.net/bugs/192353 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
