Re: kern/38970 (slow crashdump on amd64 machine)

[Andreas Gustafsson <gson%gson.org@localhost>]

The following reply was made to PR kern/38970; it has been noted by GNATS.

From: Andreas Gustafsson <gson%gson.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: jdolecek%NetBSD.org@localhost,
    Simon Burge <simonb%NetBSD.org@localhost>
Subject: Re: kern/38970 (slow crashdump on amd64 machine)
Date: Mon, 10 Jul 2017 22:36:30 +0300

 jdolecek%NetBSD.org@localhost wrote:
 > There was fix for ahci(4) while ago to speed this up, and it seems to be okay
 > on my machine dumping to ahcisata(4). Is this still relevant?
 
 I finally got around to testing thsi, by breaking into ddb and
 entering "reboot 0x100".  The dump now took 40 seconds, which is
 less than 1/100 of the time it took before, so the PR can be closed.
 For the record, this was using a Hitachi disk.
 -- 
 Andreas Gustafsson, gson%gson.org@localhost