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re: kern/55189: NVMe SSD reports unsafe shutdowns
The following reply was made to PR kern/55189; it has been noted by GNATS.
From: matthew green <mrg%eterna.com.au@localhost>
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
netbsd-bugs%netbsd.org@localhost, gson%gson.org@localhost (Andreas Gustafsson)
Subject: re: kern/55189: NVMe SSD reports unsafe shutdowns
Date: Wed, 22 Apr 2020 03:51:04 +1000
> matthew green wrote:
> > we don't do this for wd(4) as well, on some of my systems
> > atactl can report eg:
> > 174 100 0 no online positive Unexpected Power Loss Count 27
> > that goes up when i have an otherwise successful "poweroff".
> That could also be PR 54969, which was just fixed in -current. What
> version are those systems running?
ah, none of the are -current, but the problem i saw has
been around for a long time (netbsd-6 at least?) so i'm
not sure it was broken by the same change, or perhaps
fixed by the same fixed.
it may be -- looking at a test machine, i see that wd0
does not detach at reboot, and simple reboot didn't make
that count go up (but i'm not near the machine with a
long history of this...)
i'll try to setup a test for this.
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