Messages in this thread | | | Subject | RE: 2.6.27: ehci bug with AMD 770nb/SB700 southbridge. usb lockup | Date | Wed, 12 Nov 2008 10:13:39 +0800 | From | "Yang, Libin" <> |
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Hello Volker,
Can you help dump out the PCI configuration information with lspci -xxxx? Thanks.
Thanks & Regards, Libin
> -----Original Message----- > From: Volker Armin Hemmann [mailto:volker.armin.hemmann@tu-clausthal.de] > Sent: Friday, November 07, 2008 4:28 PM > To: Yang, Libin > Cc: Greg KH; linux-kernel@vger.kernel.org; linux-usb@vger.kernel.org; > Huang, Shane > 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.
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