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Re: [RFC PATCH] gitlab: disable accelerated zlib for s390x
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From: |
Peter Maydell |
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Subject: |
Re: [RFC PATCH] gitlab: disable accelerated zlib for s390x |
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Date: |
Mon, 21 Mar 2022 13:45:36 +0000 |
On Mon, 21 Mar 2022 at 13:39, Alex Bennée <alex.bennee@linaro.org> wrote:
>
> Apparently this causes problems with migration.
More specifically:
# There appears to be a bug in the s390 hardware-accelerated version
# of zlib distributed with Ubuntu 20.04, which makes our test
# /i386/migration/multifd/tcp/zlib hit an assertion perhaps one
# time in 10. Fortunately zlib provides an escape hatch
# where we can disable the hardware-acceleration entirely by
# setting the environment variable DFLTCC to 0. Do this on all
# our CI which runs on s390 hosts, both our custom gitlab runner
# and also the Travis hosts.
...speaking of which, this patch seems to only be
touching the gitlab CI and not the travis config.
thanks
-- PMM