>From the debug log, we can see that virq is only 1008, but irq route table has >been full, i.e. 1024. In kvm_irqchip_get_virq(), it only calls kvm_flush_dynamic_msi_routes() when all virqs(total gsi_count, 1024 too) have been allocated, but irq route table has two kind of entry type, KVM_IRQ_ROUTING_IRQCHIP and KVM_IRQ_ROUTING_MSI. Seems that 16 KVM_IRQ_ROUTING_IRQCHIP entries has been reserved, if max gsi_count is still 1024, then irq route table is possible to be overflow. The fix could be either set gsi_cout=1008 or increase max irq route count to 1040.
kvm_irqchip_send_msi, virq=1008, nr=1024 kvm_irqchip_commit_routes, ret=-22 kvm_irqchip_commit_routes, irq_routes nr=1024 -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1465935 Title: kvm_irqchip_commit_routes: Assertion `ret == 0' failed Status in QEMU: New Bug description: Several my QEMU instances crashed, and in the qemu log, I can see this assertion failure, qemu-system-x86_64: /build/buildd/qemu-2.0.0+dfsg/kvm-all.c:984: kvm_irqchip_commit_routes: Assertion `ret == 0' failed. The QEMU version is 2.0.0, HV OS is ubuntu 12.04, kernel 3.2.0-38. Guest OS is RHEL 6.3. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1465935/+subscriptions
