Re: [Qemu-devel] PPC: Timer issues with git master

2013-10-17 Thread Alex Bligh
Mark, On 17 Oct 2013, at 16:16, Mark Cave-Ayland wrote: > I've tried it with FreeBSD and it doesn't make any difference; the fix > doesn't matter for the HelenOS regression as that timer is only setup for -M > mac99. > > To summarise what I've found today with HelenOS: I see failures with both

Re: [Qemu-devel] PPC: Timer issues with git master

2013-10-17 Thread Mark Cave-Ayland
On 17/10/13 15:53, Paolo Bonzini wrote: Hi Paolo, I've just attempted a bisection testing HelenOS, but I'm struggling to get a consistent result. Even with the same binary across multiple runs then sometimes I see the issue with frequent timer pauses, and sometimes I don't which makes tracking

Re: [Qemu-devel] PPC: Timer issues with git master

2013-10-17 Thread Paolo Bonzini
Il 17/10/2013 16:40, Mark Cave-Ayland ha scritto: > > Hi Paolo, > > I've just attempted a bisection testing HelenOS, but I'm struggling to > get a consistent result. Even with the same binary across multiple runs > then sometimes I see the issue with frequent timer pauses, and sometimes > I don't

Re: [Qemu-devel] PPC: Timer issues with git master

2013-10-17 Thread Mark Cave-Ayland
On 11/10/13 09:44, Paolo Bonzini wrote: I've just upgraded my git repository from around the 1.6 release timeframe to git master and I'm seeing some strange timing issues running through my OpenBIOS test suite which weren't there before my git update. The two most noticeable changes are in Free

Re: [Qemu-devel] PPC: Timer issues with git master

2013-10-11 Thread Alex Bligh
On 10 Oct 2013, at 23:27, Mark Cave-Ayland wrote: > Paulo/Alex B - I know you've been working with timers, so wondered if this is > related to some of the changes you've been making? I've also copied Alex Graf > in case this is somehow related to how the timer code interacts with the PPC > tim

Re: [Qemu-devel] PPC: Timer issues with git master

2013-10-11 Thread Paolo Bonzini
Il 11/10/2013 00:27, Mark Cave-Ayland ha scritto: > > I've just upgraded my git repository from around the 1.6 release > timeframe to git master and I'm seeing some strange timing issues > running through my OpenBIOS test suite which weren't there before my git > update. > > The two most noticeab

[Qemu-devel] PPC: Timer issues with git master

2013-10-10 Thread Mark Cave-Ayland
Hi all, I've just upgraded my git repository from around the 1.6 release timeframe to git master and I'm seeing some strange timing issues running through my OpenBIOS test suite which weren't there before my git update. The two most noticeable changes are in FreeBSD and HelenOS; the countdo