linux-kernel - Re: Regression 3.2 -> 3.3-rc1 10 sec hang at boot and resume, COMRESET failed

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Message-ID: <20120206004608.GA9413@gamma.logic.tuwien.ac.at>
Date:	Mon, 6 Feb 2012 09:46:08 +0900
From:	Norbert Preining <preining@...ic.at>
To:	Lin Ming <ming.m.lin@...el.com>
Cc:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, jeff@...zik.org,
	Tejun Heo <tj@...nel.org>,
	"stern@...land.harvard.edu >> Alan Stern" <stern@...land.harvard.edu>,
	linux-ide@...r.kernel.org,
	Linux PM mailing list <linux-pm@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: Regression 3.2 -> 3.3-rc1 10 sec hang at boot and resume,
	COMRESET failed

Hi Lin,


sorry for the delay, weekend I was off ...

On Fr, 03 Feb 2012, Lin Ming wrote:
> > Confirmed. Reverted 7faa33da9b7 on top of 6c073a7ee250 made
> > the boot delay go away. dmesg from this boot attached.
> 
> Dig into the code, but I can't find where the problem is.
> 
> Anyway, does below DEBUG patch help?
> Let's always stop the engine during hard reset.

If you meant: 
  "Try that patch on top of HEAD *without* reverting 7faa33da9b7?"
then I can report that it does NOT help. With *only* this patch I still
get 10sec delay, and otherwise nothing changes.


Best wishes

Norbert
------------------------------------------------------------------------
Norbert Preining            preining@...ist.ac.jp, logic.at, debian.org}
JAIST, Japan                                 TeX Live & Debian Developer
DSA: 0x09C5B094   fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094
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