Messages in this thread | | | Date | Tue, 29 May 2007 15:04:59 +0200 | From | Pavel Machek <> | Subject | Re: pcmcia resume 60 second hang. Re: [patch 00/69] -stable review |
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Hi!
> > I guess we should warn the driver authors, then; and decide what driver > > authors should do. > > Drivers really shouldn't do anythign at all.
*)
> > If I'm video4linux driver for grabbing screen, have been suspended, and > > someone asks me to read a frame, should I > > > > a) return -ESORRYIMSUSPENDED > > > > b) just block the caller > > The "subsystem" thing should have stopped the queues, and the device > should never even _see_ this.
Okay, _if_ there's a subsystem, subsystem should have stopped the queues. End result should be that userspace is blocked when trying to access suspended device/suspended subsystem.
I guess we are in violent agreement. Pavel
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