I installed a ppc64 impish cloud image (all fine) but then ran it in TCG
mode (to check if I can trigger the same).
That starts it like:
/usr/bin/qemu-system-ppc64le -name guest=i-systemdtest,debug-threads=on -S
-object
{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain-1-i-systemdtest/master-key.aes"}
-machine
pseries-impish,accel=tcg,usb=off,dump-guest-core=off,memory-backend=ppc_spapr.ram
-cpu POWER9 -m 2048 ...
So it uses accel=tcg as intended, but other than the systemd testbed it has ssh
and apt for debugging.
Gladly it seems reproducible there as well.
So we can add to the above TL;DR:
- also reproducible in impish cloud images (not just systemd)
In fact after a boot I already have plenty of crashes.
-rw-r----- 1 root root 253783 Jul 12 13:43 _usr_bin_chgrp.0.crash
-rw-r----- 1 root root 208344 Jul 12 13:47 _usr_bin_chmod.0.crash
-rw-r----- 1 root root 338077 Jul 12 13:52 _usr_bin_find.0.crash
-rw-r----- 1 root root 218387 Jul 12 13:52 _usr_bin_rm.0.crash
-rw-r----- 1 ubuntu ubuntu 226114 Jul 12 13:52 _usr_bin_rm.1000.crash
-rw-r----- 1 pollinate daemon 224894 Jul 12 13:43 _usr_bin_rm.111.crash
... growing ...
With that it seems odd that it boots and works just fine.
A praise to the stability of a modern Linux ...
Also apt is rather unlucky - like
Unpacking libdebuginfod-common (0.185-1) ...
dpkg: error while cleaning up:
rm command for cleanup subprocess was killed by signal (Segmentation fault),
core dumped
dpkg: error processing archive
/tmp/apt-dpkg-install-1jDo19/1-libbabeltrace1_1.5.8-1build3_ppc64el.deb
(--unpack):
rm command for cleanup subprocess was killed by signal (Segmentation fault),
core dumped
...
I let it crash a bunch of things and switched back to KVM mode to then do the
debugging with GDB on the crash files.
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https://bugs.launchpad.net/bugs/1935617
Title:
systemd autopkgtest broken on ppc64el with qemu 6.0
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