Messages in this thread | | | Date | Wed, 2 Dec 2015 14:15:42 +0000 | From | David Vrabel <> | Subject | Re: [Xen-devel] linux 4.4 Regression: 100% cpu usage on idle pv guest under Xen with single vcpu. |
| |
On 28/11/15 15:47, Sander Eikelenboom wrote: > > -rtc_cmos rtc_cmos: hctosys: unable to read the hardware clock > +hctosys: unable to open rtc device (rtc0) > > -genirq: Flags mismatch irq 8. 00000000 (hvc_console) vs. 00000000 (rtc0) > -hvc_open: request_irq failed with rc -16.
I have reproduced this issue. We really shouldn't have an RTC device in a PV guest and I think this irq conflict breaks hvc0.
David
| |