> > Indeed... but the thing is we don't know what's asserted in this case
> > -- remember, it's reading the status register that locks everything up...
>
> Exactly. And IORDY shouldn't really apply there,
> unless some nitwit standards person wrote it into a spec..
Could it be we need to reset the state machine at this point before we
touch the registers again - that wouldn't be the first controller with
this limit and undocumented.
On the 370 we already
Linas; For the debug on the libata one turn on ATA_DEBUG and
ATA_VERBOSE_DEBUG in include/linux/libata.h and it should spew
diagnostics before the freeze. I suspect thats a different problem to the
hang you see now but I'd like to debug both.
Alan
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