roachtest: tpcc/mixed-headroom/n5cpu16 failed

[cockroach-teamcity]

SHA: https://github.com/cockroachdb/cockroach/commits/42d307e191ff6787a45e058be164fa452c47f368

Parameters:

To repro, try:

# Don't forget to check out a clean suitable branch and experiment with the
# stress invocation until the desired results present themselves. For example,
# using stress instead of stressrace and passing the '-p' stressflag which
# controls concurrency.
./scripts/gceworker.sh start && ./scripts/gceworker.sh mosh
cd ~/go/src/github.com/cockroachdb/cockroach && \
stdbuf -oL -eL \
make stressrace TESTS=tpcc/mixed-headroom/n5cpu16 PKG=roachtest TESTTIMEOUT=5m STRESSFLAGS='-maxtime 20m -timeout 10m' 2>&1 | tee /tmp/stress.log

Failed test: https://teamcity.cockroachdb.com/viewLog.html?buildId=1487519&tab=buildLog

The test failed on branch=release-2.1, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/20190914-1487519/tpcc/mixed-headroom/n5cpu16/run_1
	cluster.go:1735,tpcc.go:184,cluster.go:2091,errgroup.go:57: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/bin/roachprod run teamcity-1568441097-62-n5cpu16:5 -- ./workload run tpcc --warehouses=909 --histograms=perf/stats.json  --ramp=5m0s --duration=2h0m0s {pgurl:1-4} returned:
		stderr:
		
		stdout:
		   162.1           79.6     50.3     65.0     75.5     83.9 newOrder
		  255.0s        0           14.0            8.7      9.4     14.7     17.8     17.8 orderStatus
		  255.0s        0          157.1           87.1     28.3     44.0     50.3     52.4 payment
		  255.0s        0           16.0            8.7     65.0    402.7    570.4    570.4 stockLevel
		  256.0s        0            9.0            8.7     52.4     71.3     71.3     71.3 delivery
		  256.0s        0          163.9           79.9     50.3     75.5     79.7     88.1 newOrder
		  256.0s        0           26.0            8.8      8.4     15.2     17.8     17.8 orderStatus
		  256.0s        0          165.9           87.5     29.4     48.2     54.5     62.9 payment
		  256.0s        0           17.0            8.7    184.5    436.2    604.0    604.0 stockLevel
		Error: error in payment: ERROR: Expected "ROLLBACK TO SAVEPOINT COCKROACH_RESTART": current transaction is aborted, commands ignored until end of transaction block (SQLSTATE 25P02)
		Error:  exit status 1
		: exit status 1

[nvanbenschoten]

Error: error in payment: ERROR: Expected "ROLLBACK TO SAVEPOINT COCKROACH_RESTART": current transaction is aborted, commands ignored until end of transaction block (SQLSTATE 25P02)

This seems to be an issue only on release-2.1: #36983. I don't think it's worth investigating it.