Re: [PATCH] NFS regression in 2.6.26?, "task blocked for more than120 seconds"

[H. Peter Anvin]

Max Kellermann wrote:
> On 2008/10/17 16:33, Glauber Costa <glommer@xxxxxxxxxx> 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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