Bug 209341
Summary: | BUG: kernel NULL pointer dereference (acpi_os_read_port/pci_conf1_read) | ||
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Product: | ACPI | Reporter: | Frantisek Sumsal (frantisek) |
Component: | Other | Assignee: | acpi_other |
Status: | RESOLVED CODE_FIX | ||
Severity: | high | ||
Priority: | P1 | ||
Hardware: | All | ||
OS: | Linux | ||
Kernel Version: | 5.8.13 | Subsystem: | |
Regression: | Yes | Bisected commit-id: |
Description
Frantisek Sumsal
2020-09-21 11:59:00 UTC
Few additional notes: * this seems to happen only with nested KVM * all affected machines are booted with -smp 4 or -smp 8 * this used to work (and still works) as expected with kernel 5.7.12 * both the VM and the host use the same package set * an example QEMU command line from one of the failing runs: /sbin/qemu-system-x86_64 -smp 4 -net none -m 2048M -nographic -kernel /boot/vmlinuz-linux -drive format=raw,cache=unsafe,file=/var/tmp/systemd-test-TEST-01-BASIC_sanitizers-qemu/basic.img -initrd /var/tmp/initrd-testsuite-kBq.img -machine accel=kvm -enable-kvm -cpu host -append ' root=/dev/sda1 rw raid=noautodetect rd.luks=0 loglevel=2 init=/usr/lib/systemd/systemd-under-asan console=ttyS0 selinux=0 SYSTEMD_UNIT_PATH=/usr/lib/systemd/tests/testdata/testsuite-01.units:/usr/lib/systemd/tests/testdata/units: systemd.unit=testsuite.target systemd.wants=testsuite-01.service systemd.wants=end.service ' Appears to be fixed in kernel 5.9. |