Re: hibernation hangs with ATA errors (lockup_detector bug)

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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!

Cheers,
Don

> --- a/kernel/watchdog.c
> +++ b/kernel/watchdog.c
> @@ -524,7 +524,7 @@ cpu_callback(struct notifier_block *nfb, unsigned
> long action, void *hcpu)
>                 break;
>         case CPU_ONLINE:
>         case CPU_ONLINE_FROZEN:
> -               err = watchdog_enable(hotcpu);
> +               watchdog_enable(hotcpu);
>                 break;
>  #ifdef CONFIG_HOTPLUG_CPU
>         case CPU_UP_CANCELED:
> 
> thanks,
> -- 
> js
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