James Bottomley wrote:
>It's actually a long standing bug in the 3w-xxxx driver. Apparently it
>assumes request sense is always the use_sg == 0 case. This is what it
>does on a request sense:
>static int tw_scsiop_request_sense(TW_Device_Extension *tw_dev, int request_id)
>{
> dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_request_sense()\n");
> /* For now we just zero the request buffer */
> memset(tw_dev->srb[request_id]->request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
> tw_dev->state[request_id] = TW_S_COMPLETED;
> tw_state_request_finish(tw_dev, request_id);
>....
>Note that it's clearing the request buffer, which is actually zeroing the scatterlist, hence the problem.
OK. Is there a quick workaround or should I just wait for
Adam & Company to make a patch?
You said your earlier patch would hide it, and then said you
had a length wrong in it and I'm not sure what length you
mean.
Thanks for yours and Chuck's and Dave's time.
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