[Bug 88746] Re: ehci_hcd module causes I/O errors in USB 2.0 devices

[rna]

#520 	Oisín Mac Fhearaí wrote on 2009-05-11:
> Thanks for the link. Unfortunately this bug doesn't only affect ATI
> cards, so I think the patch is too specific to help us all (my mobo is
> an Intel job):
>
> "+ case PCI_VENDOR_ID_ATI:"
>
> Unless a more general version of this workaround would solve the problem?

This is a bug of chipset. Maybe, there's no 'general version'
workaround.

It seems Bug #88746 is a complex of problems such as SB600/700
problem, so we need to apply many workarounds to fix...

Andiry Xu's patch and Shane Huang's patch (which extends Xu's patch
for SB600) are merged to linux-2.6.28, and are inherited by 2.6.31.
In fact, these patches are already applied to Ubuntu 9.04's kernel
image.

These patches are considered to be necessery and effective, so there's 
no reason to reject these patches for 8.04 kernel image.

Apply these patches please!

USB: fix SB700 usb subsystem hang bug
Andiry Xu [Fri, 14 Nov 2008 03:42:29 +0000 (11:42 +0800)]
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.28.y.git;a=commitdiff;h=b09bc6cbae4dd3a2d35722668ef2c502a7b8b093

USB: fix SB600 USB subsystem hang bug
Shane Huang [Tue, 25 Nov 2008 07:12:33 +0000 (15:12 +0800)]
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.28.y.git;a=commitdiff;h=0a99e8ac430a27825bd055719765fd0d65cd797f

-- 
ehci_hcd module causes I/O errors in USB 2.0 devices
https://bugs.launchpad.net/bugs/88746
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