Re: [Xen-devel] [PATCH v2] xen-apic: Enable on domU as well

2015-08-07 Thread Jason A. Donenfeld
On Fri, Aug 7, 2015 at 4:23 PM, Konrad Rzeszutek Wilk wrote: > Anyhow, your patch seems to fix a regression my patch > feb44f1f7a4ac299d1ab1c3606860e70b9b89d69 > "x86/xen: Provide a "Xen PV" APIC driver to support >255 VCPUs" > introduced. Ahhh, good, okay. That explains why I didn't encounter th

Re: [Xen-devel] [PATCH v2] xen-apic: Enable on domU as well

2015-08-07 Thread Konrad Rzeszutek Wilk
On Thu, Aug 06, 2015 at 06:37:05PM +0200, Jason A. Donenfeld wrote: > It turns out that domU also requires the Xen APIC driver. Otherwise we > get stuck in busy loops that never exit, such as in this stack trace: > > (gdb) target remote localhost: > Remote debugging using localhost: > __xa

[PATCH v2] xen-apic: Enable on domU as well

2015-08-06 Thread Jason A. Donenfeld
It turns out that domU also requires the Xen APIC driver. Otherwise we get stuck in busy loops that never exit, such as in this stack trace: (gdb) target remote localhost: Remote debugging using localhost: __xapic_wait_icr_idle () at ./arch/x86/include/asm/ipi.h:56 56 while (n