On Tue, 2023-12-19 at 15:10 +0000, Alex Bennée wrote: > "Richard Purdie" <[email protected]> writes: > > > Similar to stdout in the previous commit, we need to ensure serial output > > if written is read and put somewhere, else qemu might block on writes to > > the serial port leading to hangs in the kernel. Use our existing logging > > thread to log data when run_serial is not in use. > > > > Signed-off-by: Richard Purdie <[email protected]> > > I'm still seeing hanging with my test case: > > o regression_1010.5 Invalid memory access 5 > regression_1010.5 OK > o regression_1010.6 Invalid memory access 6 > > Stdout: > Tried to dump info from target but serial console failed > Failed CMD: top -bn1 > Tried to dump info from target but serial console failed > Failed CMD: ps > Tried to dump info from target but serial console failed > Failed CMD: free > > NOTE: test_soafee (soafeetestsuite.SoafeeTestSuite.test_soafee) > DEBUG: Checking if at least one of soafee-test-suite is installed > DEBUG: Setting up a 400 second(s) timeout > DEBUG: [Running]$ ssh -l root -o ServerAliveCountMax=2 -o > ServerAliveInterval=30 -o UserKnownHostsFile=/dev/null -o > StrictHostKeyChecking=no -o LogLevel=ERROR -p 2222 127.0.0.1 export > PATH=/usr/sbin:/sbin:/usr/bin:/bin; sudo -i -u trs soafee-test-suite run -r > -t -T ; rm -rf /tmp/soafee-test-suite > DEBUG: Waiting for process output: time: 1702998407.0291, endtime: > 1702998707.0285847 > DEBUG: Waiting for process output: time: 1702998412.0338314, endtime: > 1702998707.0285847 > DEBUG: Waiting for process output: time: 1702998417.0378022, endtime: > 1702998707.0285847 > DEBUG: Waiting for process output: time: 1702998422.0417945, endtime: > 1702998707.0285847 > <snip> > > The regression tests are hanging because that has triggered output on > the serial port as the firmware attempted to service the test and the > port isn't being drained. Then when that times out we start spinning > waiting for more output.
I don't really understand where it might be hanging unfortunately as in my local tests it is draining stdout and the serial ports. Does it login to the serial console correctly? Are there any WARNING messages? I did use this debug patch: https://git.yoctoproject.org/poky-contrib/commit/?h=rpurdie/t222&id=0d9029bad610736c114e0770d2433b53133fa620 to prove that it can interleave serial commands with left over output successfully. A similar patch may help work out where your setup may be hanging? Cheers, Richard
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