diff options
Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_KVM/1999.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_KVM/1999.toml | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_KVM/1999.toml b/gitlab/issues/target_missing/host_missing/accel_KVM/1999.toml deleted file mode 100644 index 6dd78bdc5..000000000 --- a/gitlab/issues/target_missing/host_missing/accel_KVM/1999.toml +++ /dev/null @@ -1,59 +0,0 @@ -id = 1999 -title = "qemu got sigabrt when using vpp in guest and dpdk for qemu" -state = "opened" -created_at = "2023-11-23T06:04:09.084Z" -closed_at = "n/a" -labels = ["accel: KVM"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/1999" -host-os = "Rockylinux 8" -host-arch = "x86" -qemu-version = "qemu-kvm-7.2.0-14.el9 (in a container)" -guest-os = "Ubuntu 22.04.3 LTS" -guest-arch = "x86" -description = """When set the interface up in vpp, the qemu process is crashed with signal sigabrt. - -After some debug, i have identified that the problem lies in the following function. - -```c -static int setup_routing_entry(struct kvm *kvm, -\t\t\t struct kvm_irq_routing_table *rt, -\t\t\t struct kvm_kernel_irq_routing_entry *e, -\t\t\t const struct kvm_irq_routing_entry *ue) -{ -\tstruct kvm_kernel_irq_routing_entry *ei; -\tint r; -\tu32 gsi = array_index_nospec(ue->gsi, KVM_MAX_IRQ_ROUTES); - -\t/* -\t * Do not allow GSI to be mapped to the same irqchip more than once. -\t * Allow only one to one mapping between GSI and non-irqchip routing. -\t */ -\thlist_for_each_entry(ei, &rt->map[gsi], link) -\t\tif (ei->type != KVM_IRQ_ROUTING_IRQCHIP || -\t\t ue->type != KVM_IRQ_ROUTING_IRQCHIP || -\t\t ue->u.irqchip.irqchip == ei->irqchip.irqchip) -\t\t\treturn -EINVAL; - -``` - -I added some debug printk like following - -```c - hlist_for_each_entry(ei, &rt->map[gsi], link) - if (ei->type != KVM_IRQ_ROUTING_IRQCHIP || - ue->type != KVM_IRQ_ROUTING_IRQCHIP || - ue->u.irqchip.irqchip == ei->irqchip.irqchip){ - printk("ei->type: %u, KVM_IRQ_ROUTING_IRQCHIP: %u, ue->type: %u, ue->u.irqchip.irqchip: %u , ei->irqchip.irqchip: %u", ei->type, KVM_IRQ_ROUTING_IRQCHIP , ue->type, ue->u.irqchip.irqchip , ei->irqchip.irqchip); - return -EINVAL; - } -``` - -Then i got following in dmesg - -``` -[Thu Nov 23 09:29:10 2023] ei->type: 2, KVM_IRQ_ROUTING_IRQCHIP: 1, ue->type: 1, ue->u.irqchip.irqchip: 2 , ei->irqchip.irqchip: 4276097024 -[Thu Nov 23 09:29:10 2023] ei->type: 2, KVM_IRQ_ROUTING_IRQCHIP: 1, ue->type: 1, ue->u.irqchip.irqchip: 2 , ei->irqchip.irqchip: 4276097024 -```""" -reproduce = """This is a kube-ovn + dpdk env, not easy to reproduce now..""" -additional = """* I also file a bug on kernel.org: https://bugzilla.kernel.org/show_bug.cgi?id=218177 -* the libvirt xml file is also attached [instance.xml](/uploads/05b391046fdc1263fd7e63bcfab6f4fb/instance.xml)""" |