Eric D. Mudama wrote:
On Nov 15, 2007 7:31 AM, Mark Lord <liml@xxxxxx> wrote:
Here, the messages fail us. The edma_err value says that there
should be a non-zero value in the SErr value. Except the messages
show zero there, meaning the registers were probably read in the
wrong sequence (some bits clear automatically on reads).
Isn't that the reset signature?
..
No, it's just funny status. The chipset (Marvell) claims it saw
a SATA error. But the SATA error register is all-zeros, meaning "no error".
I think somebody forgot to save the latter before clearing it,
or somebody forgot to clear the former from an earlier error.
Either way, a nuisance, but no harm done here.
Maybe due to insufficient power the drive decided to reboot itself.
(What bits clear automatically on read, other than IRQ?)
..
Mmm.. none in this case (my mistake).
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