Comment 8 for bug 88530

Last kernel update don't resolve this bug:
I tried again to recompile the source, adding the option CONFIG_USB_SUSPEND=y present in previous versions, and removing the APM/ACPI support.

uname -a
Linux 2.6.20-11-generic #2 SMP Thu Mar 15 08:03:07 UTC 2007 i686 GNU/Linux