On 2/21/20 6:17 AM, Glauber Costa wrote: > Hi > > Today I found a crash when adding code for the poll ring to my implementation. > Kernel is 2b58a38ef46e91edd68eec58bdb817c42474cad6 > > Here's how to reproduce: > > code at > https://github.com/glommer/seastar.git branch poll-ring > > 1. same as previous steps to configure seastar, but compile with: > ninja -C build/release apps/io_tester/io_tester > > 2. Download the yaml file attached > > 3. Run with: > > ./build/release/apps/io_tester/io_tester --conf ~/test.yaml --duration > 15 --directory /var/disk1 --reactor-backend=uring --smp 1 > > (directory must be on xfs because we do c++ but we're not savages) This is due to killing the dummy callback function on the task work. I'll play with this a bit and see how we can fix it. -- Jens Axboe