Re: [Qemu-devel] kernel 4.4.2: kvm_irq_delivery_to_api / rwsem_down_read_failed

2016-02-22 Thread Paolo Bonzini
- Original Message - > From: "Stefan Priebe" > To: "Paolo Bonzini" , "qemu-devel" > , k...@vger.kernel.org > Sent: Monday, February 22, 2016 8:35:41 PM > Subject: Re: kernel 4.4.2: kvm_irq_delivery_to_api /

Re: [Qemu-devel] kernel 4.4.2: kvm_irq_delivery_to_api / rwsem_down_read_failed

2016-02-22 Thread Stefan Priebe
Am 22.02.2016 um 18:36 schrieb Paolo Bonzini: On 20/02/2016 11:44, Stefan Priebe wrote: Hi, while testing Kernel 4.4.2 and starting 20 Qemu 2.4.1 virtual machines. I got those traces and a load of 500 on those system. I was only abler to recover by sysrq-trigger. It seems like something

Re: [Qemu-devel] kernel 4.4.2: kvm_irq_delivery_to_api / rwsem_down_read_failed

2016-02-22 Thread Paolo Bonzini
On 20/02/2016 11:44, Stefan Priebe wrote: > Hi, > > while testing Kernel 4.4.2 and starting 20 Qemu 2.4.1 virtual machines. > I got those traces and a load of 500 on those system. I was only abler > to recover by sysrq-trigger. It seems like something happening at the VM level. A task took

[Qemu-devel] kernel 4.4.2: kvm_irq_delivery_to_api / rwsem_down_read_failed

2016-02-20 Thread Stefan Priebe
Hi, while testing Kernel 4.4.2 and starting 20 Qemu 2.4.1 virtual machines. I got those traces and a load of 500 on those system. I was only abler to recover by sysrq-trigger. All traces: INFO: task pvedaemon worke:7470 blocked for more than 120 seconds. Not tainted 4.4.2+1-ph #1 "echo 0 >