Re: [Xen-devel] Xen 4.5.0rc3 + Linux v3.18 + dom0pvh=1 = BOOM

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Tue, Dec 09, 2014 at 09:02:49AM +0000, Jan Beulich wrote:
> >>> On 08.12.14 at 22:27, <konrad.wilk@xxxxxxxxxx> wrote:
> > [    8.761336] ------------[ cut here ]------------
> > [    8.761342] kernel BUG at arch/x86/xen/smp.c:438!
> 
>       if (HYPERVISOR_vcpu_op(VCPUOP_initialise, cpu, ctxt))
>               BUG();
> 
> > [    8.761348] invalid opcode: 0000 [#1] SMP 
> > [    8.761355] Modules linked in:
> > [    8.761362] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.18.0 #1
> > [    8.761369] Hardware name: LENOVO 10A6S09R01/SHARKBAY, BIOS FBKTA1AUS 
> > 10/22/2014
> > [    8.761377] task: ffff8803ef058000 ti: ffff8803ef060000 task.ti: 
> > ffff8803ef060000
> > [    8.761386] RIP: 0010:[<ffffffff810114c5>]  [<ffffffff810114c5>] 
> > xen_cpu_up+0x4c5/0x4d0
> > [    8.761396] RSP: 0000:ffff8803ef063dd8  EFLAGS: 00010282
> > [    8.761402] RAX: fffffffffffffff4 RBX: 0000000000000001 RCX: 
> > 0000000000000001
> 
> -ENOMEM
> 
> Very strange. I suppose that Dom0 kernel doesn't exhaust all of the
> hypervisor's memory?

With 'dom0_mem=max:2GB' it boots. Thought it does hit another issue which
is related to TSC (will post a seperate email).


> 
> Jan
> 

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