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    SubjectRe: 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?

    Actually there seems to have been some clean up in the cpu hotplug error
    handling code. Could you remove that snippet of code and see if the
    problem still happens?

    Cheers,
    Don


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