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| somlo | dxld: mine failed the same way on both f38 and rawhide (f40), I'll try re-running the mock builds again tomorrow, but don't expect to get a different result... | 00:29 |
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| dxld | all my build problems, first the test then some latex errors, have mysteriously dissapeared now. gah :/ | 00:35 |
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| jix | getting core dumps or at least backtraces for those crashes would be helpful to figure out what's going on | 07:33 |
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| dxld | well it's not usually crashes, just errors. | 08:19 |
| dxld | now I got a race on the compilation of tests/tools/cmp_tbdata (Text file busy error) | 08:20 |
| jix | well in those cases anything else that would help reproduce it | 08:35 |
| jix | ok for cmp_tbdata I can see how that could result in a race condition and will look into how to fix that | 08:39 |
| jix | for failing tests it can be helpful to get a full log of make test and a tar of the tests directory (or a subdirectory if it's clear that the failing test is fully contained in it) | 08:41 |
| jix | anything abc related can be quite hard to reproduce though, if you happen to have a system (little endian and linux) where you can reliably reproduce abc related failures I'd be interested in figuring out a way for me to reproduce such an environment | 08:43 |
| jix | dxld: a quick fix would be to change https://github.com/YosysHQ/yosys/blob/master/tests/tools/autotest.sh#L29 to use a temporary file name as compiler output and then move it to the expected location atomically, I think | 08:46 |
| jix | but it really looks like something the makefile should handle | 08:46 |
| dxld | jix: I prefer flock but perhaps that's not portable. | 08:51 |
| jix | dxld: yeah, doesn't seem to exist on mac os which we do support | 08:52 |
| dxld | I think the -nt (newer than) thing is a dead giveaway this should be in the Makefile :] | 08:53 |
| jix | yeah that's exactly what I was thinking :D | 08:53 |
| dxld | BTW would it be possible to move the list of test invocations to a script? right now I have to munge the test target depends to allow testing yosys "as-installed" without rebuilding everything needlessly | 08:55 |
| jix | the problem is that the execution goes via makefile -> shell script -> makefile -> shell script and this would have to be a target in the outer makefile, but the dependency on that would be in the inner one AFAICT | 08:56 |
| dxld | I mean is anyone going to expect cmp_tbdata to get rebuilt when they run the tests directly? | 08:57 |
| jix | dxld: I have no idea what cmp_tbdata actually does, so maybe not | 08:58 |
| jix | ok looking at it, I think it's fine to just have it built by make test | 08:59 |
| dxld | I would build it as part of the all target actually | 08:59 |
| dxld | that way you can `make all && ./run-tests.sh` without having to worry about compiling this helper | 09:00 |
| dxld | but having the test target depend on it too is fine obv | 09:00 |
| jix | I think it's fine to have it build by make all, and I also wouldn't mind moving the make test commands to a script but I'd keep it within the tests directory | 09:01 |
| jix | (as for test subdirectories the script to run the tests is also contained in that direcotry so it's more consitent that way IMO) | 09:02 |
| dxld | fine with me | 09:05 |
| jix | (and the make test target should remain, but just invoke that script instead of listing the commands in the makefile) | 09:05 |
| dxld | yeah | 09:06 |
| dxld | only problem I see with this setup is paralellization across of test dirs, which I've been meaning to add | 09:06 |
| dxld | (work imbalance sucks for speedup reasons) | 09:07 |
| dxld | hmm but that should be fine actually, just need to pass the make jobserver down which is easy enough | 09:08 |
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| somlo | jix: I'll re-run the builds, and collect the core file(s) if, as I expect, a similar crash will happen again | 10:47 |
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| somlo | apparently my problem is related to commit 9f8e039a4 ("ast: use new format string helpers.") and something about Fedora's build environment (CFLAGS) -- I submitted issue #3923 | 20:48 |
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