Re: Asynch I/O overloaded 2.2.15/2.3.99

From: Jeff V. Merkey (jmerkey@timpanogas.com)
Date: Mon Apr 24 2000 - 11:25:12 EST


The bug was caused by me sleeping on a callback from ll_rw_block().

Jeff

Riley Williams wrote:
>
> Hi Andi.
>
> On Wed, 12 Apr 2000, Andi Kleen wrote:
>
> > On Tue, Apr 11, 2000 at 04:24:39PM -0600, Jeff V. Merkey wrote:
>
> >> The Oops I am seeing on 2.2.15 while doing pure Linux AIO is:
>
> >> Ooops: 0002
> >> CPU: 0
> >> EIP: 0010:[<8011358a>]
>
> > Looks strange. 80xxxxxx is a user mode address. Seems it
> > somehow jumped into nirvana.
>
> Just a thought, but is that running on a system compiled for 2G
> of RAM? If so, 80 would be a kernel mode address, if I'm reading
> the code correctly...
>
> Best wishes from Riley.
>
> * Copyright (C) 2000, Memory Alpha Systems.
> * All rights and wrongs reserved.
>
> +----------------------------------------------------------------------+
> | There is something frustrating about the quality and speed of Linux |
> | development, ie., the quality is too high and the speed is too high, |
> | in other words, I can implement this XXXX feature, but I bet someone |
> | else has already done so and is just about to release their patch. |
> +----------------------------------------------------------------------+
> * http://www.memalpha.cx/Linux/Kernel/
>
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