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From: "H. Peter Anvin" <hpa@zytor.com>
To: Max Kellermann <mk@cm4all.com>
Cc: Glauber Costa <glommer@redhat.com>,
	linux-kernel@vger.kernel.org, ijc@hellion.org.uk,
	Grant Coady <grant_lkml@dodo.com.au>,
	Trond Myklebust <trond.myklebust@fys.uio.no>,
	"J. Bruce Fields" <bfields@fieldses.org>,
	Tom Tucker <tom@opengridcomputing.com>,
	Cyrill Gorcunov <gorcunov@gmail.com>
Subject: Re: [PATCH] NFS regression in 2.6.26?, "task blocked for more than 120 seconds"
Date: Fri, 22 May 2009 13:59:13 -0700	[thread overview]
Message-ID: <4A171221.5020800@zytor.com> (raw)
In-Reply-To: <20081020065149.GA11213@rabbit.intern.cm-ag>

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

  parent reply	other threads:[~2009-05-22 21:03 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-17 12:32 [PATCH] NFS regression in 2.6.26?, "task blocked for more than 120 seconds" Max Kellermann
2008-10-17 14:33 ` Glauber Costa
2008-10-20  6:51   ` Max Kellermann
2008-10-20  7:43     ` Ian Campbell
2008-10-20 13:15     ` Glauber Costa
2008-10-20 14:12       ` Max Kellermann
2008-10-20 14:34         ` Cyrill Gorcunov
2008-10-20 14:21       ` Cyrill Gorcunov
2009-05-22 20:59     ` H. Peter Anvin [this message]
2009-05-25 13:12       ` Max Kellermann
2008-10-20  6:27 ` Ian Campbell
2008-11-01 11:45   ` Ian Campbell
2008-11-01 13:41     ` Trond Myklebust
2008-11-02 14:40       ` Ian Campbell
2008-11-07  2:12         ` kenneth johansson
2008-11-04 19:10       ` Ian Campbell
2008-11-25  7:09       ` Ian Campbell
2008-11-25 13:28         ` Trond Myklebust
2008-11-25 13:38           ` Ian Campbell
2008-11-25 13:57             ` Trond Myklebust
2008-11-25 14:04               ` Ian Campbell
2008-11-26 22:12                 ` Ian Campbell
2008-12-01  0:17                   ` [PATCH 0/3] " Trond Myklebust
2008-12-01  0:18                     ` [PATCH 1/3] SUNRPC: Ensure the server closes sockets in a timely fashion Trond Myklebust
2008-12-17 15:27                       ` Tom Tucker
2008-12-17 18:08                         ` Trond Myklebust
2008-12-17 18:59                           ` Tom Tucker
2008-12-01  0:19                     ` [PATCH 2/3] SUNRPC: We only need to call svc_delete_xprt() once Trond Myklebust
2008-12-01  0:20                     ` [PATCH 3/3] SUNRPC: svc_xprt_enqueue should not refuse to enqueue 'XPT_DEAD' transports Trond Myklebust
2008-12-17 15:35                       ` Tom Tucker
2008-12-17 19:07                         ` Trond Myklebust
2008-12-23 14:49                           ` Tom Tucker
2008-12-23 23:39                             ` Tom Tucker
2008-12-01  0:29                     ` [PATCH 0/3] NFS regression in 2.6.26?, "task blocked for more than 120 seconds" Trond Myklebust
2008-12-02 15:22                       ` Kasparek Tomas
2008-12-02 15:37                         ` Trond Myklebust
2008-12-02 16:26                           ` Kasparek Tomas
2008-12-02 18:10                             ` Trond Myklebust
2008-12-01 22:09                     ` Ian Campbell
2008-12-06 12:16                       ` Ian Campbell
2008-12-14 18:24                         ` Ian Campbell
2008-12-16 17:55                           ` J. Bruce Fields
2008-12-16 18:39                             ` Ian Campbell
2009-01-07 22:21                               ` J. Bruce Fields
2009-01-08 18:20                                 ` J. Bruce Fields
2009-01-08 21:22                                   ` Ian Campbell
2009-01-08 21:26                                     ` J. Bruce Fields
2009-01-12  9:46                                       ` Ian Campbell
2009-01-22  8:27                                       ` Ian Campbell
2009-01-22 16:44                                         ` J. Bruce Fields

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