On 9 Jan, Nikos Vassiliadis wrote:
On 1/9/2012 11:11 AM, Don Lewis wrote:
On 9 Jan, Adrian Chadd wrote:
.. doesn't linux swap have some metadata somewhere?
Darned if I know, but it doesn't seem to care about FreeBSD swap data
overwriting its swap partition.
Linux will not use the swap partition without the metadata. And
these metadata are located to the start of the partition, that
is, dumping core there will surely destroy them.
Don't we write the crash dump at the end of the partition? I thought we
did this to make it less likely that we would overwrite the crash dump
by using swap before savecore had a chance to run.
Perhaps you can add a warning in the dumpon manual page, that the
swap metadata must be re-created after a coredump?
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