From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.5) Gecko/20041107 Firefox/1.0 Description of problem: Certain PCI/PCMCIA-to-USB2.0 cards with NEC chipset cannot be used with ehci, it dies and the systems uses the slow ohci. Errors like the following can be found in the log: > hub 5-0:1.0: USB hub found > hub 5-0:1.0: 2 ports detected > ehci_hcd 0000:03:00.2: fatal error > ehci_hcd 0000:03:00.2: HC died; cleaning up > ohci_hcd 0000:03:00.1: wakeup > usb 5-1: new full speed USB device using address 2 > usb 5-1: not running at top speed; connect to a high speed hub Kernel's bugzilla has a submitted patch for 2.6.11 which fixes the problem when rebuilding kernel-2.6.10-1.741_FC3. http://bugme.osdl.org/show_bug.cgi?id=3056 Version-Release number of selected component (if applicable): kernel-2.6.10-1.741_FC3 How reproducible: Always Steps to Reproduce: 1. plugin a USB2.0 card with NEC chipset 2. plugin e.g. USB2.0 HDD Actual Results: ehci dies, fallback to "slow" ohci. Expected Results: ehci should be used for full speed. Additional info:
The new kernel 2.6.11-1.14_FC3 fixes the problem as expected. Closing...