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From: Steven Whitehouse <steve@gw.chygwyn.com>
To: chen_xiangping@emc.com (chen, xiangping)
Cc: linux-kernel@vger.kernel.org
Subject: Re: Kernel deadlock using nbd over acenic driver.
Date: Fri, 10 May 2002 16:11:23 +0100 (BST)	[thread overview]
Message-ID: <200205101511.QAA29742@gw.chygwyn.com> (raw)
In-Reply-To: <FA2F59D0E55B4B4892EA076FF8704F553D1A43@srgraham.eng.emc.com> from "chen, xiangping" at May 10, 2002 11:02:05 AM

Hi,

> 
> Hi,
> 
[deadlock conditions snipped]
> 
> The nbd_client get stuck in sock_recvmsg, and one other process stucks
> in do_nbd_request (sock_sendmsg). I will try to use kdb to give you
> more foot print.
> 
Anything extra you can send me like that will be very helpful.

> The system was low in memory, I started up 20 to 40 thread to do block
> write simultaneously.
> 
Ok. I'll have to try and set something similar up because I've not seen
any hangs with the latest nbd in 2.4 at all. Do you find that the hangs
happen relatively quickly after you start the I/O or is it something
which takes some time ?

Steve.

  reply	other threads:[~2002-05-10 15:31 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-05-10 15:02 Kernel deadlock using nbd over acenic driver chen, xiangping
2002-05-10 15:11 ` Steven Whitehouse [this message]
2002-05-14 14:58 ` Jes Sorensen
  -- strict thread matches above, loose matches on Subject: below --
2002-05-16 22:54 Peter T. Breuer
2002-05-17  8:44 ` Steven Whitehouse
2002-05-23 13:21   ` Peter T. Breuer
2002-05-24 10:11     ` Steven Whitehouse
2002-05-24 11:43       ` Peter T. Breuer
2002-05-24 13:28         ` Steven Whitehouse
2002-05-24 15:54           ` Peter T. Breuer
2002-05-27 13:04             ` Steven Whitehouse
2002-05-27 19:51               ` Peter T. Breuer
2002-05-27 13:44         ` Pavel Machek
2002-05-29 10:51           ` Peter T. Breuer
2002-05-29 11:21             ` Pavel Machek
2002-05-29 12:10               ` Peter T. Breuer
2002-05-29 13:24                 ` Jens Axboe
2002-06-01 21:13       ` Peter T. Breuer
2002-06-05  8:48         ` Steven Whitehouse
2002-06-02  6:39           ` Pavel Machek
     [not found] <3CE40A77.22C74DC1@zip.com.au>
2002-05-16 20:28 ` Peter T. Breuer
2002-05-16 13:18 chen, xiangping
2002-05-15 21:43 Peter T. Breuer
2002-05-16  8:33 ` Steven Whitehouse
2002-05-15 17:43 Peter T. Breuer
2002-05-15 19:43 ` Steven Whitehouse
2002-05-16  5:15   ` Peter T. Breuer
2002-05-16  8:04     ` Steven Whitehouse
2002-05-16  8:49       ` Peter T. Breuer
2002-05-15 16:01 Peter T. Breuer
2002-05-14 17:42 chen, xiangping
2002-05-14 17:36 chen, xiangping
2002-05-14 18:02 ` Alan Cox
2002-05-14 16:07 chen, xiangping
2002-05-14 16:32 ` Steven Whitehouse
2002-05-14 16:48 ` Alan Cox
2002-05-15 22:31 ` Oliver Xymoron
2002-05-16  5:10   ` Peter T. Breuer
2002-05-16  5:19     ` Peter T. Breuer
2002-05-16 14:29       ` Oliver Xymoron
2002-05-16 15:35         ` Peter T. Breuer
2002-05-16 16:22           ` Oliver Xymoron
2002-05-16 16:45             ` Peter T. Breuer
2002-05-16 16:35               ` Steven Whitehouse
2002-05-17  7:01                 ` Peter T. Breuer
2002-05-17  9:26                   ` Steven Whitehouse
2002-05-14 15:05 chen, xiangping
2002-05-14 15:11 ` Jes Sorensen
2002-05-10 15:39 chen, xiangping
2002-05-06 15:05 chen, xiangping
2002-05-07  8:15 ` Steven Whitehouse
2002-05-06  2:26 chen, xiangping
2002-05-06  8:45 ` Steven Whitehouse

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