On Fri, Mar 22, 2024 at 06:56:08PM GMT, Peter Krempa wrote:
> +static void
> +testPipeFeeder(void *opaque)
> +{
> + /* feed more than observed buffer size which was historically 128k in the
> + * test this was adapted from */
> + size_t emptyspace = 140 * 1024;
This test seems to fail consistently at least on ppc64le, among other
less common architectures. This can be seen both in Debian[1] and
Fedora[2]. It runs for a while, then it hits the timeout gets
terminated by meson.
I've reproduced it locally and this is the output:
# LIBVIRT_DEBUG=1 VIR_TEST_DEBUG=1 VIR_TEST_RANGE=71 ./tests/virshtest
ninja: no work to do.
TEST: virshtest
71) read-big-pipe
... 2024-05-07 16:43:17.099+0000: 69735: info : libvirt version:
10.4.0
2024-05-07 16:43:17.099+0000: 69735: debug : virThreadJobSet:96 :
Thread 69735 is now running job testPipeFeeder
2024-05-07 16:43:17.099+0000: 69734: debug : virCommandRunAsync:2657
: About to run LANG=C /root/libvirt/build/tools/virsh --connect
test:///default 'define /tmp/libvirt_virshtest_XUTXGN2/pipe ; list
--all'
2024-05-07 16:43:17.099+0000: 69735: debug : virThreadJobClear:121 :
Thread 69735 finished job testPipeFeeder with ret=0
2024-05-07 16:43:17.099+0000: 69734: debug : virCommandRunAsync:2659
: Command result 0, with PID 69736
I've bumped the size of emptyspace to 1024*1024 and that causes the
test to pass. 1023*1024 doesn't. Could it be something about the
fifo's capacity being different across architectures?
[1] https://buildd.debian.org/status/fetch.php?pkg=libvirt&arch=ppc64el&ver=10.3.0-2&stamp=1715074703&raw=0
[2] https://koji.fedoraproject.org/koji/taskinfo?taskID=117156020
--
Andrea Bolognani / Red Hat / Virtualization
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