netdev - Re: [BUG, regression, bisected] Marvell 88E8055 NIC (sky2) fails to detect link after resume from S3

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Message-ID: <20120629215840.GA21533@electric-eye.fr.zoreil.com>
Date:	Fri, 29 Jun 2012 23:58:40 +0200
From:	Francois Romieu <romieu@...zoreil.com>
To:	Michal Zatloukal <myxal.mxl@...il.com>
Cc:	netdev@...r.kernel.org, Mirko Lindner <mlindner@...vell.com>,
	Stephen Hemminger <shemminger@...tta.com>
Subject: Re: [BUG, regression, bisected] Marvell 88E8055 NIC (sky2) fails to detect link after resume from S3

(maintainers Cced)

Michal Zatloukal <myxal.mxl@...il.com> :
[7afe1845dd1e7c90828c942daed7e57ffa7c38d6 induced regression]
> My uneducated guess is that by making the resume from S3 shorter, the
> driver catches the hardware with its pants down and freaks out.
> You can find all details/files (dmesg, lspci, dmidecode, config...)
> collected by apport in the ubuntu bug linked above. Let me know if I
> should supply any more info.
> Note: Please CC me into replies, I'm not subscribed. Thank you.

Can you workaround it by enforcing some mdelay() in sky2_resume before
it does any real work ?

-- 
Ueimor
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