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Diffstat (limited to 'gitlab/issues/target_mips/host_missing/accel_missing/1922.toml')
| -rw-r--r-- | gitlab/issues/target_mips/host_missing/accel_missing/1922.toml | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gitlab/issues/target_mips/host_missing/accel_missing/1922.toml b/gitlab/issues/target_mips/host_missing/accel_missing/1922.toml new file mode 100644 index 00000000..455e879f --- /dev/null +++ b/gitlab/issues/target_mips/host_missing/accel_missing/1922.toml @@ -0,0 +1,28 @@ +id = 1922 +title = "loongson3-virt machine fails to bring up secondary CPUs" +state = "opened" +created_at = "2023-10-05T17:26:24.324Z" +closed_at = "n/a" +labels = ["target: mips", "workflow::Patch available"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/1922" +host-os = "Gentoo Linux" +host-arch = "ppc64el" +qemu-version = "QEMU emulator version 8.1.1" +guest-os = "Debian 12" +guest-arch = "mips64el" +description = """When booting Debian netboot on `loongson3-virt` machine with SMP, cores other than number 0 fail to come up. Boot without SMP is successful. + +I provided the details of the first combination I tested, but I have also tested on an x86_64 host, as well as with Debian 11 (kernel `5.10.0-22-loongson-3`) on both hosts, with the same results.""" +reproduce = """1. `wget https://ftp.debian.org/debian/dists/bookworm/main/installer-mips64el/current/images/loongson-3/netboot/vmlinuz-6.1.0-10-loongson-3` +2. `wget https://ftp.debian.org/debian/dists/bookworm/main/installer-mips64el/current/images/loongson-3/netboot/initrd.gz` +3. `qemu-system-mips64el -M loongson3-virt -kernel vmlinuz-6.1.0-10-loongson-3 -initrd initrd.gz -append "console=ttyS0" -serial stdio -smp 2`""" +additional = """Boot is successful when removing `-smp 2` from command line. With it present, the following error is in `dmesg` (extends to all other CPUs when a larger SMP value is passed): +``` +[ 2.248229] rcu: Hierarchical SRCU implementation. +[ 2.248446] rcu: Max phase no-delay instances is 1000. +[ 2.647997] smp: Bringing up secondary CPUs ... +[ 2.749706] Booting CPU#1... +[ 7.093229] CPU1: failed to start +[ 7.096508] smp: Brought up 1 node, 1 CPU +``` +The boot eventually stalls after this.""" |