Il 22/09/2014 21:08, Chris Webb ha scritto:
> > Do you by chance have CONFIG_DEBUG_RODATA set? In that case, the fix is
> > simply not to set it.
>
> Absolutely right: my host and guest kernels do have CONFIG_DEBUG_RODATA set!
>
> Your patch to use alternatives for VMCALL vs VMMCALL definitely f
Paolo Bonzini wrote:
> Il 11/09/2014 19:03, Chris Webb ha scritto:
>> Paolo Bonzini wrote:
>>
>>> This is a hypercall that should have kicked VCPU 3 (see rcx).
>>>
>>> Can you please apply this patch and gather a trace of the host
>>> (using "trace-cmd -e kvm qemu-kvm ")?
>>
>> Sure, no probl
Il 11/09/2014 19:03, Chris Webb ha scritto:
> Paolo Bonzini wrote:
>
>> This is a hypercall that should have kicked VCPU 3 (see rcx).
>>
>> Can you please apply this patch and gather a trace of the host
>> (using "trace-cmd -e kvm qemu-kvm ")?
>
> Sure, no problem. I've built the trace-cmd tool
Paolo Bonzini wrote:
> This is a hypercall that should have kicked VCPU 3 (see rcx).
>
> Can you please apply this patch and gather a trace of the host
> (using "trace-cmd -e kvm qemu-kvm ")?
Sure, no problem. I've built the trace-cmd tool against udis86 (I hope) and
have put the resulting trac
Il 08/09/2014 15:28, Chris Webb ha scritto:
> divide error: [#1] PREEMPT SMP
> Modules linked in:
> CPU: 0 PID: 743 Comm: syslogd Not tainted 3.16.2-guest #2
> Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS
> rel-1.7.5-0-ge51488c-20140602_164612-nilsson.home.kraxel.org 04/01/2014
>
I've reported this bug before, which reliably crashes a guest kernel shortly
after boot, but have just reconfirmed that it is still present with Linux
3.16.2 guest and host kernels and Qemu 2.1.
Running a 3.16.2 x86-64 SMP guest kernel on qemu-2.1, with kvm enabled and
-cpu host on a 3.16.2 AMD Op