On Mon, Sep 25 2000, Andrea Arcangeli wrote:
> > i had yesterday - those were simple VM deadlocks. I dont see any deadlocks
>
> Definitely. They can't explain anything about the VM deadlocks. I was
> _only_ talking about the blkdev hangs that caused you to unplug the
> queue at each reschedule in tux and that Eric reported me for the SG
> driver (and I very much hope that with EXCLUSIVE gone away and the
> wait_on_* fixed those hangs will go away because I don't see anything else
> wrong at this moment).
The sg problem was different. When sg queues a request, it invokes the
request_fn to handle it. But if the queue is currently plugged, the
scsi_request_fn will not do anything.
-- * Jens Axboe <axboe@suse.de> * SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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