linux-kernel - Re: FW : airo suspend problem

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Message-ID: <20070622205817.GA3885@ucw.cz>
Date:	Fri, 22 Jun 2007 20:58:17 +0000
From:	Pavel Machek <pavel@....cz>
To:	castet.matthieu@...e.fr
Cc:	Linux Kernel list <linux-kernel@...r.kernel.org>,
	linux-net@...r.kernel.org
Subject: Re: FW : airo suspend problem

Hi!

>   Sujet : airo suspend problem
>       ? : linux-pm@...ts.osdl.org
> 
> Hi,
> 
> the airo driver (drivers/net/wireless/airo.c) does in its suspend routine [1].
> But not all the pci cards support power management and cause
> pci_enable_wake/pci_set_power_state to return errors.
> 
> On pci card that don't support PM, what should be done ?
> Don't call pci_enable_wake/pci_set_power_state ?

That sounds right. Or simply ignore errors from enable_wake and
set_power_state?

> PS : after the failed suspend to ram due to airo driver, I tried to unload airo
> driver and it hanged. After a reset, I got my ext3 root fs corrupted :(

Corrupted or 'just needed journal replay'?
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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