On 2011-10-16 14:07, malc wrote: > On Sun, 16 Oct 2011, Blue Swirl wrote: > >> Thanks, applied all. >> >> On Fri, Oct 7, 2011 at 7:19 AM, Jan Kiszka <jan.kis...@siemens.com> wrote: >>> Highlights of this series: >>> - generic i8259, now part of hwlib >>> - qdev conversion of i8259 >>> - fix for i8259 poll mode (and removal of PREP hack) >>> >>> The refactoring will also be important to instantiate i8259-kvm devices >>> for in-kernel irqchip acceleration one day. >>> >>> Changes in v2: >>> - kept PIC irq state update after reset but clarified why this >>> required and only valid here >>> - additional fix: Clear ELCR on reset > > It's not cleared on reset on real hardware.. > http://www.mail-archive.com/qemu-devel@nongnu.org/msg04569.html
It is, see Intel chipset specs. It is not cleared - and that was likely the bug you once saw - when only the PIC goes through reset, triggered via an ICWS. But that is handled as a separate case now, no need to worry. Jan
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