Sorry, the screenshot does show that the deadlock is on a spinlock during flush_tlb_others(), perhaps at
if (nr_cpu_ids > NUM_INVALIDATE_TLB_VECTORS) raw_spin_lock(&f->tlbstate_lock); -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/977391 Title: BUG: soft lockup - CPU#8 stuck for 61s! [kvm:*] in lucid Status in QEMU: Confirmed Status in “linux” package in Ubuntu: Confirmed Status in “qemu-kvm” package in Ubuntu: Confirmed Bug description: Two days back my KVM base machine got hung up all of a sudden. Not sure what exactly happened. cat /proc/version_signature Ubuntu 2.6.32-28.55-server 2.6.32.27+drm33.12 -Rahul N. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/977391/+subscriptions