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Re: kern/52056: mount -u / causes a kernel assertion
The following reply was made to PR kern/52056; it has been noted by GNATS.
From: Martin Husemann <martin%duskware.de@localhost>
Subject: Re: kern/52056: mount -u / causes a kernel assertion
Date: Fri, 10 Mar 2017 09:38:12 +0100
On Thu, Mar 09, 2017 at 10:35:02PM +0000, Jaromír Dole?ek wrote:
> I suspect something is still not quite right with the ro/rw switch
> after recent changes. Juergen, any idea? Perhaps having the filesystem
> mounted async might possibly trigger some arcane flow?
I have not mounted it async:
/dev/wd0a on / type ffs (log, local)
but maybe important: this is a shark, ancient IDE interface, very slow
wdc0 at ofisa0 (ide@i1f0)
wd0 at atabus0 drive 0
wd0: <SAMSUNG HM120IC>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 111 GB, 232581 cyl, 16 head, 63 sec, 512 bytes/sect x 234441648 sectors
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
boot device: wd0
root on wd0a dumps on wd0b
and I think it is doing all IO in "PIO mode 4".
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