Re: 2.4.0-test4 and DAC960
Jens Axboe (axboe@suse.de)
Fri, 21 Jul 2000 06:43:25 +0200
On Tue, Jul 18 2000, Matthew Dharm wrote:
> Somewhere between 2.4.0-test1 and -test4, my DAC960 RAID controller stoped
> working. As soon as the initialization for the controller starts, the
> kernel OOPSes with a null pointer dereference in the swapper.
>
> No, I couldn't capture the oops. I can tell you that it's after the driver
> has printed it's first line of introduction message and before it prints
> anything else. That seems to narrow the problem down to one of the
> initialization routines.
>
> The problem occures regardless of if the driver is compiled-in or a module,
> and happens every time I boot, when it tries to check the partition before
> mounting it.
This is a known problem. It happens because the DAC960 driver tries to use
the block queue _before_ calling blk_init_queue(). I have informed Leonard
about the problem, so he is aware of it and will fix it. I saw him at OLS
today, so it probably won't get fixed within the next couple of days ;)
--
* Jens Axboe <axboe@suse.de>
* SuSE Labs
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