Re: pm_op(): usb_dev_suspend+0x0/0x10 returns -2 on USB device 8087:0020

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Alan,

in this thread, earlier I wrote:

>> By the way, I noticed above that you have xhci-hcd installed.  As far 
>> as I know, that driver does not yet support system suspend.  You should 
>> try unloading xhci-hcd before doing the suspend (both with and without 
>> CONFIG_USB_DEBUG).
> 
> wow, rmmod xhci - and the suspend goes through fine!

now, I re-installed the system, and suspend doesn't work anymore.

if I have the xhci module loaded, it fails and returns to the screen
right away.

if I unload the xhci module, I get to the character console, and then
the machine hangs there - nothing happens anymore. only a power cycle helps.

I don't know what was different when at least suspend worked :(

I'll try to do some more debugging..


Akos

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