linux-kernel - Re: FW : airo suspend problem

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Date:	Sat, 23 Jun 2007 10:46:35 +0200
From:	matthieu castet <castet.matthieu@...e.fr>
To:	Pavel Machek <pavel@....cz>
CC:	Linux Kernel list <linux-kernel@...r.kernel.org>,
	linux-net@...r.kernel.org
Subject: Re: FW : airo suspend problem

Hi,

Pavel Machek wrote:
> 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?

Ok, I'll try to cook a patch.
> 
>> 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'?
Really corrupted :
on reboot, there was no journal replay, but boot hanged. After some 
investigation some symbolic links were pointing to garbage (lot's of 
/etc/rcx.d/ ones). After a fsck (partial log attached) and some manual 
fix for symbolic links, the system was operational.


Matthieu

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