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Re: panic: softdep_deallocate_dependencies: unrecovered I/O error (but no I/O error)
Hello. I've seen that message on my 4.0 based system with a raid5 set
with no underlying disk drive error messages. What I think it indicates
is that the raid driver ran into a resource shortage, no buffers for
example, before it even passed the i/o requests down to the disk layer. In
my case, it didn't cause a panic, and the machine is continuing to run some
On Nov 25, 12:10pm, Edgar =?iso-8859-1?B?RnXf?= wrote:
} Subject: Re: panic: softdep_deallocate_dependencies: unrecovered I/O error
} > No other messages?
} No, the lines immediately before the "raid1: IO failed after 5 retries." are
} "wsdisplay0: screen n added (...)" from the last boot.
} > Note that our softdep implementation has no capability to recover from
} > I/O errors whatsoever, so it just panics.
} Is this any different in the FreeBSD implementation?
} However, it looks like what I had was not a real I/O error.
} Would it be possible that the softdep code tried to write a block outside
} the partition, and that failed without a further error message from the
} disk driver?
>-- End of excerpt from Edgar =?iso-8859-1?B?RnXf?=
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