On 9/18/19 9:16 AM, David Gibson wrote: > Hi, > > I'm finding make check-acceptance is currently useless for me as a > pre-pull test, because a bunch of the tests are not at all reliable. > There are a bunch which I'm still investigating, but for now I'm > looking at the MIPS Malta SSH tests. > > There seem to be at least two problems here. First, the test includes > a download of a pretty big guest disk image. This can easily exhaust > the 2m30 timeout on its own.
Gerd raised this issue few months ago: https://www.mail-archive.com/qemu-devel@nongnu.org/msg615619.html > Even without the timeout, it makes the test really slow, even on > repeated runs. Is there some way we can make the image download part > of "building" the tests rather than actually running the testsuite, so > that a) the test themselves go faster and b) we don't include the > download in the test timeout - obviously the download speed is hugely > dependent on factors that aren't really related to what we're testing > here. > > In the meantime, I tried hacking it by just increasing the timeout to > 10m. That got several of the tests working for me, but one still > failed. Specifically 'LinuxSSH.test_mips_malta32eb_kernel3_2_0' still > timed out for me, but now after booting the guest, rather than during > the image download. Looking at the avocado log file I'm seeing a > bunch of soft lockup messages from the guest console, AFAICT. So it > looks like we have a real bug here, which I suspect has been > overlooked precisely because the download problems mean this test > isn't reliable. > > Any thoughts on how to improve the situation? Maybe we should disable this test and run it manually...
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