On Fri, 26 May 2006, Paul Surgeon wrote:
> I "solved" the problem. :)
>
> With the usb debug messages on I kept seeing this error :
> usb 5-1: new high speed USB device using ehci_hcd and address 3
> ehci_hcd 0000:00:10.4: Unlink after no-IRQ? Controller is probably using the
> wrong IRQ.
>
> This was followed by lots of timouts and "device not accepting address"
> errors.
> So I switched off ACPI's IRQ routing ("acpi=noirq" in the GRUB bootloader
> config) and now I'm getting sustained transfer rates of 160 Mbps.
>
> Yet again ACPI causes another mess - just the type of thing that puts off
> potential desktop Linux users. How many non-technical users would sit for
> several days recompiling kernels and fiddling with settings to try track down
> the problem?
> Let me go find where the ACPI boys hang out ... :)
This used to be a common problem in the past. Things have improved a bit
recently but apparently it's not completely solved...
By all means post on the ACPI mailing list. No doubt they will want to
learn how your configuration fails so they can fix it.
Alan Stern
-------------------------------------------------------
All the advantages of Linux Managed Hosting--Without the Cost and Risk!
Fully trained technicians. The highest number of Red Hat certifications in
the hosting industry. Fanatical Support. Click to learn more
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=107521&bid=248729&dat=121642
_______________________________________________
Linux-usb-users@lists.sourceforge.net
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-users
