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Re: lib/56323: fvwrite assertion failures during install
The following reply was made to PR lib/56323; it has been noted by GNATS.
From: RVP <rvp%SDF.ORG@localhost>
Cc: Andreas Gustafsson <gson%gson.org@localhost>
Subject: Re: lib/56323: fvwrite assertion failures during install
Date: Thu, 22 Jul 2021 22:01:22 +0000 (UTC)
On Thu, 22 Jul 2021, Andreas Gustafsson wrote:
> When installing NetBSD-current/i386 using sysinst, multiple error
> messages like this one are printed to the terminal during the set
> extraction phase:
> assertion "fp->_w >= 0" failed: file "/tmp/build/2021.07.22.04.46.29-i386-laptop/src/lib/libc/stdio/fvwrite.c", line 60, function "flush_adj"
> The installation succeeds nonetheless.
> The problem started around the time of this commit:
> 2021.07.16.12.34.10 christos src/lib/libc/stdio/fvwrite.c 1.28
That's one of my assertions. Andreas, can you tell more about the
test setup where this is being triggered? On a real machine (Intel
Core i3 with 4GB RAM) one of the tests I ran before asking Christos
to make that commit is this one (and I didn't see this assertion):
set -eu -o pipefail
do mkdir X
echo "$(basename "$f") (1)"
progress -zf $f tar -C X -xf -
echo "$(basename "$f") (2)"
progress -f $f tar -C X -xzf -
sudo rm -rf X
In any case, until this is sorted out, I've requested Christos to
revert the fwrite changes back to the NetBSD originals. Even in
-HEAD there is no reason to subject users to not-fully-completed
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