Comment 140 for bug 119730

The GuiGuy (linux-finalfiler) wrote :

Some good news. In part, at least.

ASUS M2N-VN-DH mobo, Ubuntu Jaunty (9.04) AMD64.

This syste, had been unusable. If I enabled AHCI the system would lock up on the grub loading message. This meant I had to tune down to IDE mode. SATA transfers were awful and general file transfers to USB where even worse.

I'm pleased to report that after the latest kernel updates - 2.6.28-15-generic #52-Ubuntu SMP Wed Sep 9 10:48:52 UTC 2009 x86_64 GNU/Linux" the system now boots with AHCI enabled and xfer speeds are right up there where we'd expect them to be. Importantly high xfer rates are maintained on extended large file transfers. All in all, it's a relief.

Unfortunately the problem persists on another system with an ASUS M3A mobo when running Ubuntu Jaunty (9.04) AMD64m kernel 2.6.28-15. No problem with Fedora, however.