Re: [linux-usb-devel] OHCI problems with suspend/resume

[Pavel Machek <pavel@suse.cz>]

Hi!

> 
> Here's a patch that makes things slightly better.  It's still
> not fully functional yet -- I forgot how many FIXMEs are in
> those PM code paths! -- and shouldn't be merged as-is, but it
> works slightly better:
> 
>  - Has a more informative diagnostic message (which HC died);
> 
>  - When HC dies, mark the whole tree as unavailable so that
>    new URB submissions using that HC will just fail;
> 
>  - Then hcd_panic() just disconnects all the devices, still
>    keeping the root hub around.
> 
>  - OHCI-specific (should be generic, hcd-pci.c):  don't
>    try resuming a halted controller.
> 
> Where "better" means that it seems functional after the
> first suspend/resume cycle, and re-enumerates the device
> that's connected ... but there's still strangeness.  And
> I can see how some of it would be generic.

For me it:

reports problem after first suspend, and ohci stops working

oopses in hcd_panic during second suspend (IIRC).
							Pavel
-- 
Horseback riding is like software...
...vgf orggre jura vgf serr.