Re: [PATCH] usb/core/hcd.c - avoid khubd hang on HC surprise removal

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On Thu, Jun 03, 2010 at 03:33:58PM -0400, Robert Evans wrote:
> Stratus fault-tolerant servers encounter hangs of khubd when, there
> is a suprise removal of a UHCI controller from the PCI bus accessible
> to the CPU.
> 
> When a device breaks, PCI busses are disconnected to avoid corruption
> of the system state by an errant device.   Within a few milliseconds,
> the Stratus management software detects the break and calls
> pci_remove_bus_device() for the associated devices.

What is "Stratus"?

Does this also show up with ehci and ohci controllers?

thanks,

greg k-h
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