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Date: Fri, 7 Nov 2008 09:27:56 +0100 From: Volker Armin Hemmann <volker.armin.hemmann@...clausthal.de> To: "Yang, Libin" <Libin.Yang@....com> Cc: "Greg KH" <greg@...ah.com>, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, "Huang, Shane" <Shane.Huang@....com> Subject: Re: 2.6.27: ehci bug with AMD 770nb/SB700 southbridge. usb lockup Hi, when I load ohci-hcd first and ehci-hcd second and make sure that the usb-port for the mouse does not share its interrupt with the graphic card, everything works (almost) fine. With big transfers from or to a harddisk in an enclosure the mouse is sometimes a bit jerky. Bus 007 Device 001: ID 1d6b:0002 Bus 006 Device 004: ID 05e3:0702 Genesys Logic, Inc. USB 2.0 IDE Adapter Bus 006 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB Bus 006 Device 001: ID 1d6b:0002 Bus 005 Device 001: ID 1d6b:0001 Bus 004 Device 001: ID 1d6b:0001 Bus 003 Device 001: ID 1d6b:0001 Bus 002 Device 001: ID 1d6b:0001 Bus 001 Device 005: ID 046d:c518 Logitech, Inc. MX610 Laser Cordless Mouse Bus 001 Device 001: ID 1d6b:0001 bus 1 is ohci. bus 6 is ehci. But if the mouse is connected to a ehci port or the ehci hub, as soon as data transfers from or to an usb connected storage device starts, it will lock up. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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