On Wed, Aug 21, 2024 at 10:37:21AM -0700, Paul E. McKenney wrote: > On Wed, Aug 21, 2024 at 06:35:41AM -1000, Tejun Heo wrote: > > On Wed, Aug 21, 2024 at 06:18:45AM -1000, Tejun Heo wrote: > > ... > > > > tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 1m --configs "2*TREE01" --trust-make > > ... > > > Hmmm... I have a hard time imagining that change causing that error. My bet > > > is unreliable reproducer. I'll try the repro. > > I am glad that it was not just me being blind, then. ;-) > > And thank you for trying this out! > > > I'm probably doing something wrong but all the tests say that init > > segfaulted in the log file: > > > > [ 5.505986] init[1]: segfault at 28 ip 000000000040101f sp 00007fff1bbf6fc0 error 4 in init[101f,401000+1000] likely on CPU 12 (core 12, socket 0) > > [ 5.509949] Code: Unable to access opcode bytes at 0x400ff5. > > [ 5.512314] coredump: 1(init): over coredump resource limit, skipping core dump > > [ 5.514976] coredump: 1(init): coredump has not been created, error -7 > > [ 5.516911] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b > > You are right, that is not the expected result. > > > Pasting the command output: > > > > $ tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 1m --configs "2*TREE01" --trust-make > > tools/testing/selftests/rcutorture/initrd/init already exists, no need to create it > > There was already an "init" program, so one thing to try is to remove it > and re-run. The kvm.sh script will then rebuild it. > > I just tried that in case some recent change made this fail to work, and > it "worked for me": > > Creating a statically linked C-language initrd > Done creating a statically linked C-language initrd > > I will also be testing next-20240821 in case it magically got better. > Stranger things have happened... And it magically got better. Yay? Unfortunately not the case for the other bug I was chasing, but you cannot have everything... Apologies for the noise! Thanx, Paul > > Results directory: /home/htejun/os/linux-next/tools/testing/selftests/rcutorture/res/2024.08.21-06.31.03 > > tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 1m --configs 2*TREE01 --trust-make > > ----Start batch 1: Wed Aug 21 06:31:03 AM HST 2024 > > TREE01 8: Starting build. Wed Aug 21 06:31:03 AM HST 2024 > > TREE01 8: Waiting for build to complete. Wed Aug 21 06:31:03 AM HST 2024 > > TREE01 8: Build complete. Wed Aug 21 06:31:30 AM HST 2024 > > TREE01.2 8: Starting build. Wed Aug 21 06:31:30 AM HST 2024 > > TREE01.2 8: Waiting for build to complete. Wed Aug 21 06:31:30 AM HST 2024 > > TREE01.2 8: Build complete. Wed Aug 21 06:31:31 AM HST 2024 > > ---- TREE01 8: Kernel present. Wed Aug 21 06:31:31 AM HST 2024 > > ---- TREE01.2 8: Kernel present. Wed Aug 21 06:31:31 AM HST 2024 > > ---- Starting kernels. Wed Aug 21 06:31:31 AM HST 2024 > > ---- All kernel runs complete. Wed Aug 21 06:31:42 AM HST 2024 > > ---- TREE01 8: Build/run results: > > --- Wed Aug 21 06:31:03 AM HST 2024: Starting build, PID 456070 > > --- Wed Aug 21 06:31:31 AM HST 2024: Starting kernel > > CPU-hotplug kernel, adding rcutorture onoff. > > --- Wed Aug 21 06:31:31 AM HST 2024: Starting kernel, PID 483593 > > Monitoring qemu job at pid 483623 Wed Aug 21 06:31:41 AM HST 2024 > > TREE01 no success message, 0 successful version messages > > WARNING: Assertion failure in /home/htejun/os/linux-next/tools/testing/selftests/rcutorture/res/2024.08.21-06.31.03/TREE01/console.log TREE01 > > WARNING: Summary: Call Traces: 1 > > ---- TREE01.2 8: Build/run results: > > --- Wed Aug 21 06:31:30 AM HST 2024: Starting build, PID 482122 > > --- Wed Aug 21 06:31:31 AM HST 2024: Starting kernel > > CPU-hotplug kernel, adding rcutorture onoff. > > --- Wed Aug 21 06:31:31 AM HST 2024: Starting kernel, PID 483619 > > Monitoring qemu job at pid 483648 Wed Aug 21 06:31:41 AM HST 2024 > > TREE01 no success message, 0 successful version messages > > WARNING: Assertion failure in /home/htejun/os/linux-next/tools/testing/selftests/rcutorture/res/2024.08.21-06.31.03/TREE01.2/console.log TREE01 > > WARNING: Summary: Call Traces: 1 > > > > > > --- Wed Aug 21 06:31:42 AM HST 2024 Test summary: > > Results directory: /home/htejun/os/linux-next/tools/testing/selftests/rcutorture/res/2024.08.21-06.31.03 > > tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 1m --configs 2*TREE01 --trust-make > > TREE01 ------- > > TREE01 no success message, 0 successful version messages > > WARNING: Assertion failure in /home/htejun/os/linux-next/tools/testing/selftests/rcutorture/res/2024.08.21-06.31.03/TREE01/console.log TREE01 > > WARNING: Summary: Call Traces: 1 > > Completed in 10 vs. 60 > > TREE01.2 ------- > > TREE01.2 no success message, 0 successful version messages > > WARNING: Assertion failure in /home/htejun/os/linux-next/tools/testing/selftests/rcutorture/res/2024.08.21-06.31.03/TREE01.2/console.log TREE01.2 > > WARNING: Summary: Call Traces: 1 > > Completed in 10 vs. 60 > > 2 runs with build errors. > > 2 runs with runtime errors. > > --- Done at Wed Aug 21 06:31:42 AM HST 2024 (39 seconds) exitcode 3 > > > > -- > > tejun
