Hi, i am not able to mount any UMS device. Enduring this Bug for more than a moth i think it is time to ask for Your help because i am not able to resolve this myself:( oberon@obi:~$ gcc --version gcc (GCC) 4.0.3 20060128 (prerelease) (Debian 4.0.2-8) oberon@obi:~$ ld -v GNU ld version 2.16.91 20060118 Debian GNU/Linux oberon@obi:~$ uname -a Linux obi 2.6.15.3obi-amd64 #2 Tue Feb 7 17:40:41 CET 2006 x86_64 GNU/Linux controller: 0000:00:02.0 USB Controller: nVidia Corporation CK804 USB Controller (rev a2) (prog-if 10 [OHCI]) Subsystem: ASUSTeK Computer Inc. K8N4-E Mainboard Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 20 Memory at d5001000 (32-bit, non-prefetchable) [size=4K] Capabilities: 0000:00:02.1 USB Controller: nVidia Corporation CK804 USB Controller (rev a3) (prog-if 20 [EHCI]) Subsystem: ASUSTeK Computer Inc. K8N4-E Mainboard Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 19 Memory at feb00000 (32-bit, non-prefetchable) [size=256] Capabilities: - CPU: AMD Athlon(tm) 64 Processor 3200+ - MemTotal: 3089104 kB (4gb on board) - The motherboard is an asus A8N-SLI - Hardware works fine (tested with win2k) I'll append SysLog messages created when running different kernel versions (2.6.15.3, 2.6.16-rc1-mm5, 2.6.16-rc2) Please tell me if You need more information and how to obtain it:) your Jan