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The following reply was made to PR kern/16789; it has been noted by GNATS.
From: Joerg Sonnenberger <joerg%bec.de@localhost>
Subject: Re: kern/16789
Date: Wed, 24 Oct 2018 22:31:20 +0200
On Wed, Oct 24, 2018 at 07:55:01PM +0000, JaromÃr DoleÄ?ek wrote:
> dump to unopened disk fails (e.g. dump do wd1b when wd1a not mounted), due
> to the open path executing ata_get_params(), which eventually tsleeps()
> while waiting for the command to finish; specifically, if WDF_LOADED is not
> - happens due to wd_get_params() with just AT_WAIT in wdopen()
> - not easy to fix, open needs to read disklabel and all this mechanics
> is too much for emergency crash dump code path
Would it be reasonable to open wd1b when it is configured as dump
device? I assume if it is also a swap device, it works fine?
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