linux-kernel - Re: hibernation hangs with ATA errors (lockup

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Message-ID: <20100924182437.GR26290@redhat.com>
Date:	Fri, 24 Sep 2010 14:24:37 -0400
From:	Don Zickus <dzickus@...hat.com>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	linux-ide@...r.kernel.org
Subject: Re: hibernation hangs with ATA errors (lockup_detector bug)

On Fri, Sep 24, 2010 at 06:10:02PM +0300, Jiri Slaby wrote:
> On 09/03/2010 04:56 PM, Don Zickus wrote:
> > On Fri, Sep 03, 2010 at 10:35:04AM +0200, Jiri Slaby wrote:
> >> On 06/06/2010 08:22 AM, Jiri Slaby wrote:
> >>> On 06/02/2010 08:44 PM, Don Zickus wrote:
> >>>> --- a/kernel/watchdog.c
> >>>> +++ b/kernel/watchdog.c
> >>>> @@ -550,8 +550,7 @@ cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
> >>>>  		break;
> >>>>  	case CPU_ONLINE:
> >>>>  	case CPU_ONLINE_FROZEN:
> >>>> -		if (watchdog_enable(hotcpu))
> >>>> -			return NOTIFY_BAD;
> >>>> +		watchdog_enable(hotcpu)
> >>>
> >>> This fixes the problem indeed.
> >>
> >> Hi, was this fixed somehow? I still use this hunk and don't know if it
> >> is needed:
> > 
> > I have to go re-review the problem again.  I might have forgot to bring it
> > in.  Thanks for reminding me!
> 
> Reminder #2 :). Any updates?

No. I suck.  I was sidetracked on other stuff.  Let me put that together
today.

Thanks again for reminding me.

Cheers,
Don
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