[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] [PATCH] Disable SMP on the MacBook by default
> I had also many crashes with xen until. I did some search on google and > found > a patch on the xen ml for the bridging code in linux which cused the > crashes. > Have atached the patch. I'm pretty sure a 'better' fix from upstream linux was put in the xen-unstable patch queue sometime back. As I recall, it was the sky2 driver that exhibited this. Would be good if you could confirm the fix. Thanks, Ian > cu > > Edgar (gimli) Hucek > > gimli schrieb: > > Marco Gerards schrieb: > >> "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> writes: > >> > >> [...] > >> > >>>> The SMP issue can be avoided from GRUB when you press the "right > >>>> arrow" key instead of "enter" to boot. Someone mentioned this on the > >>>> mailinglist, perhaps that is why you mixed up the two? > >>> This does kinda suggest that a further Grub patch might be part of the > >>> solution, no? > >> This is something I looked at, of course. The GRUB code doesn't make > >> a difference between "right arrow" and return. Besides that, it > >> doesn't work with the timeout either. > > > > Hm... The strange thing is, hitting the "Return" key crashed xen every > time. > > Using the "Rigth arrow" key made xen bootable evry time from grub. So > there must > > be a difference. > > > >>> Are there any issues with SMP linux 2.6.16 at all? > >> No, unless you disable ACPI. > >> > >> The FreeBSD and NetBSD hackers have encountered the same problem. > >> They were not able to come up with a patch yet. > >> > >>> Any idea what's going on? > >> The second core can not be initialized because the INIT IPI does not > >> arrive. It only happens on the MacBook and not on the desktop Intel > >> Macs. On the MacBook the second core is put into deep sleep mode. It > >> should get out of sleep mode when an IPI or interrupt is received. > >> > >> That does not happen. It looks like the keyboard interrupt does > >> wakeup the second core, after which the IPI is received. > >> > >> The annoying thing is that both the keyboard handling and ACPI on the > >> Intel Mac is a big mess. There are a lot of bugs. It could also be a > >> bug in the processor itself. The reason why Windows and Linux work is > >> that the ACPI interpreter is used, perhaps this also has a side effect > >> of waking up the second core. > >> > >>> What are distros link Ubuntu using for booting on MacBook? Do they go > >>> with bootcamp/grub, or elilo? > >> Sorry, I am not sure what you mean. English is not my native > >> language. Do you mean which bootloaders they use by default? > >> > >> When I was installing Ubuntu for the first time on the MacBook, it > >> tried installing GRUB and failed. First I tried lilo which worked. > >> Later I started using GRUB. I haven't seen ELILO being used anywhere. > > > > I use the patched grub and elilo. > > > >> -- > >> Marco > >> > >> > >> _______________________________________________ > >> Xen-devel mailing list > >> Xen-devel@xxxxxxxxxxxxxxxxxxx > >> http://lists.xensource.com/xen-devel > >> > > > > > > _______________________________________________ > > Xen-devel mailing list > > Xen-devel@xxxxxxxxxxxxxxxxxxx > > http://lists.xensource.com/xen-devel > > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
|
![]() |
Lists.xenproject.org is hosted with RackSpace, monitoring our |