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SubjectRe: [patch] vmfixes-2.4.0-test9-B2
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 <>
* SuSE Labs
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