amr driver broken since March 12
danny at cs.huji.ac.il
Sat Mar 28 12:04:22 PDT 2009
> Danny Braniss wrote:
> >> Danny Braniss wrote:
> >>> at least for me :-)
> >>> [and sorry for the cross posting]
> >>> old (March 12 , i know need the svn rev number but...)
> >> None of the commit activity on March 12 is jumping out at me as being
> >> suspicious. However, you are now the second person who has told me
> >> about AMR problems in 7.1 recently. If you have a precise svn change
> >> number, it would help greatly.
> >> Scott
> > my bad. the last working amr/iir is from March 12.
> > I first detected the problem sometime later, but not later than March 23.
> > So it has to be changes in that time frame.
> > both drivers are showing similar symptoms:
> > waiting for not busy
> > the iir goes on for ever, and it's the cam that eventually panics,
> > run_interrupt_driven_hooks: still waiting after 300 seconds for xpt_config
> > (actually not 100% true, depending if WITNESS is on or off, it sometimes
> > just hangs).
> > the amr seems to time out:
> > amr0: adapter is busy
> > thanks for looking into the problem,
> > danny
> Ok, here are a series of revisions to step through, in forward order.
> Make sure that you are starting with at least revision 189568. Then,
> update to exactly the revision numbers below, recompile the kernel, and
it seems March 12 was a bit off :-)
it took some time, but I managed to close the gap:
I will continue tomorrow, but this should be helpful.
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