#2833: coreutils-8.10 sparse-to-pipe failure
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Reporter: gespinasse | Owner: lfs-book@…
Type: task | Status: new
Priority: normal | Milestone: 6.8
Component: Book | Version: SVN
Severity: normal | Keywords:
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sparse-to-pipe test may fail when
{{{
cat pipe > copy &
}}}
did not finish before
{{{
cmp sparse copy
}}}
This happen randomly to me with debian 2.6.26 kernel (x86 32 bits) but I
haven't had a failure on 3 other machines with different kernels (even
2.6.27 or 2.6.18)
I don't know what is the key to reproduce the test failure.
I have two machines with mostly same CPU :
one with XP 3000+ and kernel 2.6.27 that never fail,
one with XP 2800+ and kernel debian 2.6.26 that fail 80% of attempts.
Tested with
{{{
for i in {1..20}; do make -s check -C tests TESTS=cp/sparse-to-pipe
2>/dev/null;done | grep '1 test'
}}}
Upstream fix is to wait before cmp. A sed would be good enought to fix
that
{{{
sed -i 's/^cmp sparse copy/wait; cmp sparse copy/' tests/cp/sparse-to-pipe
}}}
I let the milestone to 6.8 as the fix will be needed only for
coreutils-8.10. I don't know why this happen on only one machine.
--
Ticket URL: <http://wiki.linuxfromscratch.org/lfs/ticket/2833>
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