Re: Re: Hotplug events during sleep transition

Pavel Machek
2005-12-27T22:31:34Z

On Út 27-12-05 17:21:28, Dmitry Torokhov wrote:
> On 12/27/05, Pavel Machek <pavel@ucw.cz> wrote:
> > On Út 27-12-05 16:45:17, Dmitry Torokhov wrote:
> > >
> > > Hmm, I am confused. What should ->resume() method do when it fails to
> > > resume a device? I would say kill it, espacially if it is
> > > bus-generic
> >
> > That should basically never happen. You can kill the device, or maybe
> > even panic() whole machine. It just should not happen.
>
> It can happen, it did happen and it will continue to happen. You hit
> your suspend button and stand up and accidentially kick your USB hub
> or your PS/2 mouse gets loose and kernel fails to resume it. It is no
> big deal, we just have to be prepared to handle it.

Ok, in case of hotpluggable devices, you just handle it in a similar
way to surprise removal.
Pavel
--
Thanks, Sharp!