Re: Block timeouts seem not to be working

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On Thu, Sep 11 2008, James Bottomley wrote:
> I just noticed this with a rather finickey SAS system I have.  It's got
> a SATA DVD attached over an expander.  Periodically the DVD just hangs
> up, so we wait for the timeout and then send a phy reset which clears
> it.
> 
> What I'm seeing with the new block timer code is that the timer never
> expires.  I can dig some more into this, but if you wanted to test it as
> well, the timer code is easy to excite.  Just throw away one command in
> every 128 or so in the queuecommand routine of your favourite HBA
> driver.

James, I've seen a few oddities as well, I'll be beating on it tomorrow
again to shake out the last bug(s).

-- 
Jens Axboe

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