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SubjectRe: [PATCH] NFS regression in 2.6.26?, "task blocked for more than 120 seconds"
Max Kellermann wrote:
> On 2008/10/17 16:33, Glauber Costa <glommer@redhat.com> wrote:
>> That's probably something related to apic congestion.
>> Does the problem go away if the only thing you change is this:
>>
>>
>>> @@ -891,11 +897,6 @@ do_rest:
>>> store_NMI_vector(&nmi_high, &nmi_low);
>>>
>>> smpboot_setup_warm_reset_vector(start_ip);
>>> - /*
>>> - * Be paranoid about clearing APIC errors.
>>> - */
>>> - apic_write(APIC_ESR, 0);
>>> - apic_read(APIC_ESR);
>>> }
>>
>> Please let me know.
>
> Hello Glauber,
>
> I have rebooted the server with 2.6.27.1 + this patchlet an hour ago.
> No problems since.
>
> Hardware: Compaq P4 Xeon server, Broadcom CMIC-WS / CIOB-X2 board.
> Tell me if you need more detailed information.
>

I was just pointed to this thread in the archives, and I'm really
wondering what was going on here. In particular, if this machine still
is around, I would appreciate a dump of /proc/cpuinfo as well as
dmidecode from this machine.

Thanks,

-hpa


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