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SubjectRe: 2.6.25-rc7: Ugh.
Date
Am Montag, 31. März 2008 16:39:33 schrieb Mark Lord:
> Oliver Neukum wrote:
> > Am Sonntag, 30. März 2008 23:04:25 schrieb Mark Lord:
> >>>> Correction there: 3GB of RAM, not 2.
> >>> 3GB of RAM can be a problem. Try iommu=soft. .. but in such case
> >>> rmmod/insmod of usbhid would not help...
> >> ..
> >>
> >> Booted with mem=2GB, and USB hung again on the first suspend/resume cycle.
> >
> > Are you running with CONFIG_USB_SUSPEND? If so, please try without it.
> ..
>
> Funny. One of the first posts in this thread told me to make sure
> that I do use CONFIG_USB_SUSPEND (which I have been for many kernels now).
>
> One thing I just tried, was to unload all USB stuff before suspend,
> and reload on resume -- just stuck the commands into my suspend/resume script.
>
> The machine has been 100% rock solid since then.
> So I think that definitely implicates USB.

Yes. What happens if you unload only usbhid at that time?

> Still want USB_SUSPEND=n ? Please explain.

It looks like you are hanging in the kthread for autosuspending. Compiling
that out should confirm it.

Regards
Oliver


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