Re: [Xen-devel] Linux 4.8-rc8 with Xen for-linus-4.9 branch: dom0 crashes on boot

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

On 2016-10-02 18:53, Boris Ostrovsky wrote:
> On 10/02/2016 08:50 AM, Sander Eikelenboom wrote:
> > > > Sure thing:
> > > > addr2line -e vmlinux-4.8.0-rc8-20161002-linus-xennext+ 
> > > > ffffffff8101fdb9
> > > > /usr/src/new/linux-linus/arch/x86/xen/irq.c:34
> > > >
> > > > asmlinkage __visible unsigned long xen_save_fl(void)
> > > > {
> > > >         struct vcpu_info *vcpu;
> > > >         unsigned long flags;
> > > >
> > > >         vcpu = this_cpu_read(xen_vcpu);
> > > >
> > > >         /* flag has opposite sense of mask */
> > > >         flags = !vcpu->evtchn_upcall_mask;   <== WHICH IS HERE
> > > >
> > > >         /* convert to IF type flag
> > > >            -0 -> 0x00000000
> > > >            -1 -> 0xffffffff
> > > >         */
> > > >         return (-flags) & X86_EFLAGS_IF;
> > > > }
> > >
> > > Can you post your .config file?
> > >
> > > Our tests seem to have run fine yesterday with those branches, until
> > > apparently electrical problem shut down the whole test farm this
> > > morning.
> > >
> > > -boris
> > Sure, it's attached.
>
> I can reproduce this and will send a patch soon.
>
> -boris
Hi Boris,

Thx, just wondering though what the specific difference in .config was 
:)
--
Sander
Thx

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